Publications

Pawar, S., Patel, P. & Mirajkar, A.B. (2024) Relevance of Intuitionistic Fuzzy Optimization Approach in Planning of a Multi–Objective Water Resource System. Water Resource Management. https://doi.org/10.1007/s11269-024-03799-8 

V. Nandam & P. L. Patel. (2024) A framework to assess suitability of global digital elevation models for hydrodynamic modelling in data scarce regions. Journal of Hydrology 630 (2024):130654; https://doi.org/10.1016/j.jhydrol.2024.130654 

Alka Sharma, Prem Lal Patel, Priyank J. Sharma. (2023) Climate change impact on crop stress and food security in a semi-arid river basin. AQUA - Water Infrastructure, Ecosystems and Society. 72 (12): 2313–2330. doi: https://doi.org/10.2166/aqua.2023.168 

 Priyamitra Munoth, Lalit Kumar Gehlot, P. L. Patel, Sumit Khandelwal, P. V. Timbadiya, Rohit Goyal; Integrated hydrological modelling of two contrasting watersheds with a terminal reservoir in the Upper Tapi River basin, India. Water Supply 1 December 2023; 23 (12): 4891–4907. doi: https://doi.org/10.2166/ws.2023.314 

Pasupuleti, L. N.; Timbadiya, P. V.; Patel, P. L.; Space-time dynamics of local scour around submerged tandem and staggered piers in sand beds. Current Science (00113891), 2023, Vol 125, Issue 11, p1227; DOI: 10.18520/cs/v125/i11/1227-1234 

Sharma, A., Patel, P. L., & Sharma, P. J. (2023). Blue and green water accounting for climate change adaptation in a water scarce river basin. Journal of Cleaner Production, 139206. https://doi.org/10.1016/j.jclepro.2023.139206 

Gehlot, L. K., Patel, P. L., & Timbadiya, P. V. (2023). Spatial varying and co-occurring future climate changes over a heterogeneous river basin: a multivariate approach. Journal of Water and Climate Change, jwc2023206.   https://doi.org/10.2166/wcc.2023.206 

Jibhakate, S.M., Timbadiya, P.V.  & Patel, P. L. (2023) Multiparameter Flood Hazard, Socioeconomic Vulnerability and Flood Risk Assessment for Densely Populated Coastal City, Journal of Environmental Management, https://doi.org/10.1016/j.jenvman.2023.118405  

Jibhakate, S.M.,  Gehlot L.K., Timbadiya, P.V.  & Patel, P.L (2023) Spatiotemporal Variability of Extreme Temperature Indices and their Implications over the heterogeneous River basin, India, Environmental Monitoring and Assessment (https://doi.org/10.1007/s10661-023-11196-8 )

Nishant Sourabh, P V Timbadiya, P L Patel (2023) Leak detection in water distribution network using machine learning techniques, ISH Journal of Hydraulic Engineering (Accepted Manuscript) 

Pawar, S., Patel, P. L. & Mirajkar, A.B. Multiobjective Intuitionistic Fuzzy Optimization Approach in Optimal Irrigation Planning and Operation of Reservoir. Water Resour Manage 37, 1033–1053 (2023). https://doi.org/10.1007/s11269-022-03406-8  

Jibhakate, S.M., Timbadiya, P.V.  & Patel, P.L. (2022) Flood Hazard Assessment for the Coastal Urban Floodplain using 1D/2D Coupled Hydrodynamic Model, Natural Hazards, https://doi.org/10.1007/s11069-022-05728-7   (SCI Journal with IF-3.158)

Laxmi Narayana, P., Timbadiya P. V., & Patel, P. L. (2022) Flow fields around tandem and staggered piers on a mobile bed, International Journal of Sediment Research, https://doi.org/10.1016/j.ijsrc.2022.05.004 (SCI Journal with IF-3.259)

Sharma, A., Patel, P. L., and Sharma, P. J. (2022). Influence of climate and land-use changes on the sensitivity of SWAT model parameters and water availability in a semi-arid river basin. Catena, 215, 106298.https://doi.org/10.1016/j.catena.2022.106298  

Sangita Pawar, Prem Lal Patel & A.B. Mirajkar (2022) Intuitionistic fuzzy optimization approach in optimal irrigation planning of Ukai-Kakrapar irrigation project, India, ISH Journal of Hydraulic Engineering, DOI: 10.1080/09715010.2022.2052988 

Teegavarapu, R. S. V., Sharma, P. J., and Patel, P. L. (2022). Frequency-based performance measure for hydrologic model evaluation. Journal of Hydrology.  In Press] [IF – 5.722] https://doi.org/10.1016/j.jhydrol.2022.127583  

P. Laxmi Narayana, P.V. Timbadiya & P. L. Patel (2021).  Flow field measurements around isolated, staggered, and tandem piers on a rigid bed channel, International Journal of Civil Engineering.  https://doi.org/10.1007/s40999-021-00678-w

P. Laxmi Narayana, P.V. Timbadiya & P. L. Patel (2021). Vorticity fields around a pier on rigid and mobile bed channels, ISH Journal of Hydraulic Engineering. https://doi.org/10.1080/09715010.2021.1927209 

Resmi, S.R., Patel, P.L. & Timbadiya, P.V. (2021). Key morphological changes and their linkages with stream-power and Land-use changes in the Upper Tapi River Basin, India. International Journal of Sediment Research. https://doi.org/10.1016/j.ijsrc.2021.03.003 

V. Nandam, & Patel, P. L. (2021). A novel hybrid approach using SVM and spectral indices for enhanced land use land cover mapping of coastal urban floodplains. Geocarto International. https://doi.org/10.1080/10106049.2021.1899300 

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2021). Data-driven modelling framework for streamflow prediction in a physio-climatically heterogenous river basin. Soft Computing. https://link.springer.com/article/10.1007/s00500-021-05585-9 

Resmi, S.R., Patel, P.L. & Timbadiya, P.V. (2020). Impact of Land Use-Land Cover and Climatic Pattern on Sediment Yield of Two Contrasting Sub-Catchments in Upper Tapi Basin, India. Journal of Geological Society of India 96, 253–264. https://doi.org/10.1007/s12594-020-1545-6 

Pawar, S. V.,  Patel, P. L., & Mirajkar, A. B.  (2020). Intuitionistic fuzzy approach in multi-objective optimization for KRBMC irrigation system, India. ISH Journal of Hydraulic Engineering. [Published online: 23 June 2020] https://doi.org/10.1080/09715010.2020.1781700

Bid, S.,  Christian, R. A.,Patel, P. L., & Patra, A. K. (2020). An approach to model radionuclide concentration in lake environment under scarce data. ISH Journal of Hydraulic Engineering. [Published online: 21 Apr. 2020] https://doi.org/10.1080/09715010.2020.1753121

Loliyana, V. D., & Patel, P. L. (2020). A physics based distributed integrated hydrological model in water balance of a semi-arid catchment in India. Environmental Modelling and Software. [Published Online: 28 Feb. 2020] https://doi.org/10.1016/j.envsoft.2020.104677 

Laxmi Narayana, P., Timbadiya P. V., & Patel, P. L. (2020). Bed level variations around submerged tandem bridge piers in sand beds. ISH Journal of Hydraulic Engineering. [Published online: 03 Feb. 2020] https://doi.org/10.1080/09715010.2020.1723138 

Gehlot, L. K., Jibhakate, S. M., Sharma, P. J., Patel, P. L., & Timbadiya, P. V. (2020). Spatio-temporal Variability of Rainfall Indices and their Teleconnections with El Niño-Southern Oscillation for Tapi Basin, India. Asia-Pacific Journal of Atmospheric Sciences. [Published online on 03 Feb. 2020] https://doi.org/10.1007/s13143-020-00179-1

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2019). Hydroclimatic teleconnections of large-scale oceanic-atmospheric circulations on hydrometeorological extremes of Tapi basin, India. Atmospheric Research. [Published online: 26 November 2019] 

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2019). Impact of Rainfall Variability and Anthropogenic Activities on Streamflow Changes and Water Stress Conditions across Tapi Basin in India. Science of the Total Environment, 687, 885-897.

Bid, S., Patel, P. L., Christian, R. A., & Patra, A. K. (2019). Hydrodynamic Modeling of Radionuclide Effluent in Moticher Lake, Kakrapar Atomic Power Station, India. Journal of Hazardous, Toxic, and Radioactive Waste (ASCE), 24(1), 04019033-1-12.

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2019). Impact assessment of Hathnur reservoir on hydrological regimes of Tapi River, India. ISH Journal of Hydraulic Engineering. [Published online: 13 Feb. 2019]

Loliyana, V. D., & Patel, P. L. (2019). Evaluation of soil moisture prediction for Gopalkheda sub-catchment, India. ISH Journal of Hydraulic Engineering. [Published online: 13 Feb. 2019]

Vora, A., Sharma, P. J., Loliyana, V. D., Patel, P. L., & Timbadiya, P. V. (2018). Assessment and prioritization of flood protection levees along Lower Tapi River, India. Natural Hazards Review (ASCE), 19(4), 05018009-1-11.

Loliyana, V. D., & Patel, P. L. (2018). Performance evaluation and parameter sensitivity of a distributed hydrological model for a semi-arid catchment in India. Journal of Earth System Science, 127(8), 117 (01-26).

Dixit, S., & Patel, P. L. (2018). Stochastic nature of turbulence over mobile bed channels. ISH Journal of Hydraulic Engineering, 1-8.

Andharia, B. R., Patel, P. L., Manekar, V. L., & Porey, P. D. (2018). Numerical and experimental studies in prediction of bed levels of aggrading channels. Current Science, 114(8), 1697-1708.

Andharia, B. R., Patel, P. L., Manekar, V. L., & Porey, P. D. (2018). Prediction of bed level variations in nonuniform sediment bed channel. Sādhanā, 43(4), 55.

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2018). Assessment of variability in runoff coefficients and their linkages with physiographic and climatic characteristics of two contrasting catchments. Journal of Water and Climate Change. DOI: 10.2166/wcc.2018.139. 

Resmi, S. R., Patel, P. L., & Timbadiya, P. V. (2019). Morphological study of Upper Tapi river using remote sensing and GIS techniques. ISH Journal of Hydraulic Engineering, 25(3), 260-268.

Sharma, P. J., Loliyana, V. D., Resmi, S. R., Timbadiya, P. V., & Patel, P. L. (2017). Spatiotemporal trends in extreme rainfall and temperature indices over Upper Tapi Basin, India. Theoretical and Applied Climatology, 134(3-4), 1329-1354.

Mirajkar, A. B., & Patel, P. L. (2016). Multiobjective Two-Phase fuzzy optimization approaches in management of water resources. Journal of Water Resources Planning and Management, 142(11), 04016046. 

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2016). Efficient discretization of state variables in stochastic dynamic programming model of Ukai reservoir, India. ISH Journal of Hydraulic Engineering, 22(3), 293-304. 

Chandra, P., Patel, P. L., & Porey, P. D. (2016). Prediction of sediment erosion pattern in Upper Tapi Basin, India. Current Science (00113891), 110(6). 

Loliyana, V. D., & Patel, P. L. (2015). Lumped conceptual hydrological model for Purna river basin, India. Sadhana, 40(8), 2411-2428. 

Dixit, S., & Patel, P. L. (2015). Characterization of flow turbulence in mobile boundary channels. ISH Journal of Hydraulic Engineering, 21(2), 179-192. 

Patel, S. B., Patel, P. L., & Porey, P. D. (2015). Fractional bed load transport model for nonuniform unimodal and bimodal sediments. Journal of Hydro-environment Research, 9(1), 104-119. 

Timbadiya, P. V., Patel, P. L., & Porey, P. D. (2014). A 1D–2D coupled hydrodynamic model for river flood prediction in a coastal Urban floodplain. Journal of Hydrologic Engineering, 20(2), 05014017 1-18. 

Chandra, P., Patel, P. L., Porey, P. D., & Gupta, I. D. (2014). Estimation of sediment yield using SWAT model for Upper Tapi basin. ISH Journal of Hydraulic Engineering, 20(3), 291-300. 

Sinha, J., Das, S. K., Patel, P. L., & Samtani, B. K. (2014). Development of Two-layered model for compound open-channel flow. ISH Journal of Hydraulic Engineering, 20(3), 250-262.  

Andharia, B. R., Patel, P. L., Manekar, V. L., & Porey, P. D. (2014). Reply to discussion on paper: Prediction of friction factor and stage–discharge relationship in alluvial streams in ISH journal of hydraulic engineering, 19 (1), 49–54, Feb. 2013. ISH Journal of Hydraulic Engineering, 20(2), 188-191. 

Timbadiya, P. V., Patel, P. L., & Porey, P. D. (2014). One-dimensional hydrodynamic modelling of flooding and stage hydrographs in the lower Tapi River in India. Current science, 106(708).

Patel, S. B., Patel, P. L., & Porey, P. D. (2014). Estimation of fractional critical tractive stress from fractional bed load transport measurements of unimodal and bimodal sediments. Measurement, 47, 393-400. 

Roman, U. C., Patel, P. L., & Porey, P. D. (2013). Reply to the discussion on the paper: prediction of missing rainfall data using conventional and artificial neural network techniques by ISH Journal of Hydraulic Engineering, 18 (3), 224-231, Sept. 2012. ISH Journal of Hydraulic Engineering, 19(2), 78-79.

Mirajkar, A. B., & Patel, P. L. (2013). Development of sustainable irrigation planning with multi-objective fuzzy linear programming for Ukai–Kakrapar irrigation project, Gujarat, India. Canadian Journal of Civil Engineering, 40(7), 663-673. 

Andharia, B. R., Patel, P. L., Manekar, V. L., & Porey, P. D. (2013). Prediction of friction factor and stage–discharge relationship in alluvial streams. ISH Journal of Hydraulic Engineering, 19(1), 49-54. 

Timbadiya, P. V., Mirajkar, A. B., Patel, P. L., & Porey, P. D. (2013). Identification of trend and probability distribution for time series of annual peak flow in Tapi Basin, India. ISH Journal of Hydraulic Engineering, 19(1), 11-20. 

Patel, S. B., Patel, P. L., & Porey, P. D. (2013). Threshold for initiation of motion of unimodal and bimodal sediments. International Journal of Sediment Research, 28(1), 24-33. 

Singh, M., Banerjee, J., Patel, P. L., & Tiwari, H. (2013). Effect of silt erosion on Francis turbine: a case study of Maneri Bhali Stage-II, Uttarakhand, India. ISH Journal of Hydraulic Engineering, 19(1), 1-10. 

Timbadiya, P. V., Patel, P. L., & Porey, P. D. (2012). Application of innovative trend analysis methodology and distribution fitting: Study on annual peak inflow into Ukai Dam, Gujarat, India. Water and Energy International, 69(9), 40-44. 

Mirajkar, A. B., & Patel, P. L. (2012). Optimal irrigation planning using multi-objective fuzzy linear programming models. ISH Journal of Hydraulic Engineering, 18(3), 232-240. 

Roman, U. C., Patel, P. L., & Porey, P. D. (2012). Prediction of missing rainfall data using conventional and artificial neural network techniques. ISH Journal of Hydraulic Engineering, 18(3), 224-231. 

Timbadiya, P. V., Patel, P. L., & Porey, P. D. (2011). Calibration of HEC-RAS model on prediction of flood for lower Tapi River, India. Journal of Water Resource and Protection, 3(11), 805. 

Mirajkar, A. B., & Patel, P. L. (2011). A fuzzy based optimal irrigation planning for Kakrapar right bank canal command area, Gujarat, India. ISH Journal of Hydraulic Engineering, 17(sup1), 43-50. 

Timbadiya, P. V., Patel, P. L., & Porey, P. D. (2011). HEC-RAS based hydrodynamic model in prediction of stages of lower Tapi River. ISH Journal of Hydraulic Engineering, 17(2), 110-117. 

Patel, P. L., Porey, P. D., & Patel, S. B. (2010). Computation of critical tractive stress of scaling sizes in non-uniform sediments. Journal of Hydraulic Research, 48(4), 531-537. 

Patel, P. L., Porey, P. D., & Patel, S. B. (2009). Critical tractive stress of representative sizes in non-uniform sediments. ISH Journal of Hydraulic Engineering, 15(3), 40-50. 

Patel, P. L., Porey, P. D., Ghare, A. D., & Patel, S. B. (2009). Entrainment characteristics of nonuniform unimodal and bimodal sediments. KSCE Journal of Civil Engineering, 13(3), 189-194

Patel, P. L., & Jain, M. (2009). Bed load transport of bimodal sediments. ISH Journal of Hydraulic Engineering, 15(1), 14-23. 

Patel, P. L., & Pati, D. R. (2006). Critical tractive stress of nonuniform and bimodal sediments. ISH Journal of Hydraulic Engineering, 12(1), 39-51. 

Patel, P. L., & Ranga Raju, K. G. (1999). Critical tractive stress of nonuniform sediments. Journal of Hydraulic Research, 37(1), 39-58. 

Patel, P. L., & Ranga Raju, K. G. (1996). Fractionwise calculation of bed load transport. Journal of Hydraulic Research, 34(3), 363-379. 

Patel, P. L. Fluvial Mechanics: Impact of climate change on sediment yield from river basins . IAHR Hydrolink – Climate Change Special Magazine, Vol. 3, 2013, pp. 74-75. 

Patel, P. L., Teegavarapu, R., Ball, J., Nakakita, E., Paquier, A., Lee, S-II., Galvao, C., Costa, G.D., Ahmed, A-A., Kolokyatha, E., Jia, Y. & Kim, Y. Summary of recommendations for policy makers on adaption to climate change in water engineering . 

Laxmi Narayana, P., Timbadiya P. V., & Patel, P. L. (2023) Quantification of Wake Vortices Around Tandem Piers on Rigid Bed Channel in the book titled Fluid Mechanics and Hydraulics (Editors: P V Timbadiya, P L Patel, V P Singh and Bandita Barman) pp 27-36 DOI:https://doi.org/10.1007/978-981-19-9151-6_3   (Book Chapter) Springer Nature. 

Lalit Kumar Gehlot, P L Patel, and P V Timbadiya (2023) Assessment of Kernel Regression Based Statistically Downscaled Rainfall Over Tapi River Basin, India in the book titled Climate Change Impact on Water Resources (Editors: P V Timbadiya, V P Singh, Priyank Sharma) pp 39-50 DOI:https://doi.org/10.1007/978-981-19-8524-9_4  (Book Chapter) Springer Nature 

Payal B. Bhujbal, Kalpesh Baldaniya, P L Patel, and P V Timbadiya (2023)Estimation of Crop Evapotranspiration and Irrigation Water Requirement for Dharoi Command Area, India  in book titled Hydrology and Hydrological Modelling (Editors: P V Timbadiya, P L Patel, V P Singh, Priyank Sharma) pp 387-396 DOI:https://doi.org/10.1007/978-981-19-9147-9  DOI: https://doi.org/10.1007/978-981-19-9147-9_32 (Book Chapter) Springer Nature. 

Kalpesh Baldaniya, P L Patel, and P V Timbadiya (2023) Investigation of Crop Evapotranspiration and Irrigation Water Requirement in the Ukai-Kakrapar Command Area, India in book titled Hydrology and Hydrological Modelling (Editors: P V Timbadiya, P L Patel, V P Singh, Priyank Sharma) pp 387-396 DOI:https://doi.org/10.1007/978-981-19-9147-9  DOI: https://doi.org/10.1007/978-981-19-9147-9_31  (Book Chapter) Springer Nature. 

Laxmi Narayana Pasupuleti, Prafulkumar Vasharambhai Timbadiya, Prem Lal Patel (2022) Assessment of Sediment Hazards by Bed Level Variations Around the Bridge Pier in book titled River Dynamics and Flood Hazards  (Editors: Manish Pandey, Hazi Azamathulla, Jaan H. Pu ) pp 283–294  DOI: 10.1007/978-981-19-7100-6_15   (Book Chapter) Springer Nature. 

Jibhakate S. M., Timbadiya, P. V., and Patel P. L. (2022). Dam Break Analysis for Ukai Dam in Lower Tapi Basin, India  (Book- River Hydraulics: Hydraulics, Water Resources and Coastal Engineering Vol. 2) Springer Nature (ISBN- 978-3-030-81767-1)

Kachhwaha V., Patel P.L. (2022) Integrated Hydrological and Hydraulic Model for Prediction of Inflows into Hathnur Reservoir. In: Jha R., Singh V.P., Singh V., Roy L.B., Thendiyath R. (eds) Hydrological Modeling. Water Science and Technology Library, vol 109. Springer, Cham. https://doi.org/10.1007/978-3-030-81358-1_33  

Choudhary S., Patel P.L. (2022) Development of Hydraulic Geometry Equations for Middle Tapi River, India. In: Jha R., Singh V.P., Singh V., Roy L.B., Thendiyath R. (eds) River Hydraulics. Water Science and Technology Library, vol 110. Springer, Cham. https://doi.org/10.1007/978-3-030-81768-8_27 

P. Laxmi Narayana, P.V. Timbadiya & P. L. Patel (2021). Characterization of Flow Turbulence around bridge pier on rigid bed channel, In: Jha R., Singh V. P., Singh V., Roy L. B., Thendiyath R. (eds) River Hydraulics. Water Science and Technology Library, vol 110. Springer Cham. https://doi.org/10.1007/978-3-030-81768_23 

Sharma, P. J., Patel, P. L., and Jothipraksh, V. (2021). Changes in monthly hydro-climatic indices for middle Tapi basin, India. Climate Change Impacts on Water Resources. EDs: Jha R., Singh V. P., Singh V., Roy L. B., Thendiyath R.. Springer, Cham., pp. 423-433.

Patel, P. L. (2017). Flood Forecasting and Mitigation. Sustainable Holistic Water Resource Management in a changing Climate, Eds: K. Srinivasa Raju and A Vasan, Jain Brothers, New Delhi, pp. 18.1-18.22.  

Sharma, P. J., Chethan, S. V., Timbadiya, P. V., & Patel, P. L. (2017). Identification of Causes of Failure of Downstream Block Protection for Singanpore Weir-Cum-Causeway, Surat. Development of Water Resources in India, Eds: Vikas Garg, Vijay P Singh and Vijay Raj, Springer, Cham publisher, pp. 355-362. 

Patel, P. L. & Sharma, P. J. (2020). Hydroclimatic variability across Tapi basin, India: Issues and implications. In: Teegavarapu, R. S. V., Kolokytha, E., de Oliveira Galvão, C. (Eds.) Climate-Change Sensitive Water Resources Management (pp. 45-64), CRC Press, London.  https://doi.org/10.1201/9780429289873. [Published online]

Sharma, P. J., Patel, P. L., and Jothiprakash, V. (2021). Model tree technique for streamflow forecasting: A case study of a sub-catchment in Tapi River basin, India. In: Sharma P., and Machiwal D. (Eds.) Advances in Streamflow Forecasting: From Traditional to Modern Approaches (pp. 215-237). Elsevier. https://doi.org/10.1016/B978-0-12-820673-7.00001-9. (ISBN 9780128206737)

Nandam, V., Patel, P.L. (2023). Assessment of Vertical Accuracy of Freely Available Global Digital Elevation Models for Heterogeneous Terrains in India. In: Timbadiya, P.V., Patel, P.L., Singh, V.P., Mirajkar, A.B. (eds) Geospatial and Soft Computing Techniques. HYDRO 2021. Lecture Notes in Civil Engineering, vol 339. Springer, Singapore. https://doi.org/10.1007/978-981-99-1901-7_15 

Sharma, A., Patel, P.L., Sharma, P.J. (2023). The Role of Objective Functions in Assessment of Water Balance Components Using SUFI-2 Algorithm in Semi-arid Basin. In: Timbadiya, P.V., Patel, P.L., Singh, V.P., Sharma, P.J. (eds) Hydrology and Hydrologic Modelling. HYDRO 2021. Lecture Notes in Civil Engineering, vol 312. Springer, Singapore. https://doi.org/10.1007/978-981-19-9147-9_7  

Jibhakate, S.M., Timbadiya, P.V., Patel, P.L. (2024). Computation of Socio-Economic Vulnerability for Densely Populated Surat City, India. In: Timbadiya, P.V., Patel, P.L., Singh, V.P., Manekar, V.L. (eds) Flood Forecasting and Hydraulic Structures. HYDRO 2021. Lecture Notes in Civil Engineering, vol 340. Springer, Singapore. https://doi.org/10.1007/978-981-99-1890-4_11 

Priya, J.S., Aedla, M.P., Ravi, T., Patel, P.L., Sharma, A. (2023). Meteorological Drought Analysis of Sabarmati Basin, India. In: Timbadiya, P.V., Patel, P.L., Singh, V.P., Sharma, P.J. (eds) Hydrology and Hydrologic Modelling. HYDRO 2021. Lecture Notes in Civil Engineering, vol 312. Springer, Singapore. https://doi.org/10.1007/978-981-19-9147-9_28 

Dwivedi, P., Gehlot, L.K., Patel, P.L. (2023). Model Performance Evaluation using Streamflow and Potential Evapotranspiration over Middle Tapi Basin, India. In: Timbadiya, P.V., Patel, P.L., Singh, V.P., Sharma, P.J. (eds) Hydrology and Hydrologic Modelling. HYDRO 2021. Lecture Notes in Civil Engineering, vol 312. Springer, Singapore. https://doi.org/10.1007/978-981-19-9147-9_2 

Rajput Sandip and P. L. Patel (2024) "Distributed Manning’s Roughness Approach in Calibration and Validation of 1-D Hydrodynamic Model of Lower Tapi River, India",  Proceedings of  2nd International Conference on Water Resources Management & Sustainability: Solutions for Arid Regions organised by National Water and Energy Center United Arab Emirates University during  February 26-28, 2024.

Gehlot, L. K., Patel, P. L., and Timbadiya, P. V. (2023) "Long Term Changes in Seasonality, Centroid and Spread of Hydro Climatic Variables over the Tapi River Basin, India", Proceedings of HYDRO-2023 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by NIT Warangal under the agies of ISH, Pune during 21-23 December, 2023. 

Alka Sharma, P. L. Patel, and Priyank J Sharma (2023) "Green water and Blue water Assessment for Crop Stress Monitoring in a Water-Scarce River Basin", Proceedings of HYDRO-2023 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by NIT Warangal under the agies of ISH, Pune during 21-23 December, 2023. 

Jibhakate S. M., Timbadiya P.V., and Patel P. L (2023) "Disaster Vulnerability Mapping: A Block Level Analysis for Gujarat State, India", Proceedings of HYDRO-2023 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by NIT Warangal under the agies of ISH, Pune during 21-23 December, 2023. 

Vineetha Putta, Vineela Nandam and P. L. Patel (2023) "Assessment of Comprehensive Physical and Socio-economic Vulnerability in an Indian Coastal Floodplain", Proceedings of HYDRO-2023 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by NIT Warangal under the agies of ISH, Pune during 21-23 December, 2023. 

K B Baladaniya, P L Patel and Timbadiya, P. V. (2023) "A Self-adaptive Population Rao Algorithm for Reservoir Benchmark problem", Proceedings of HYDRO-2023 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by NIT Warangal under the agies of ISH, Pune during 21-23 December, 2023. 

Gehlot, L. K., Patel, P. L., and Timbadiya, P. V. (2022)"Temporal Assessment of Drought over the Tapi River Basin, India ", Proceedings of HYDRO-2022 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by PEC Chandigarh under the agies of ISH, Pune during 22-24 December, 2022. 

Alka Sharma, P. L. Patel, and Priyank J Sharma (2022) "Climate change impact on water balance components in Dharoi catchment of Sabarmati River basin, India " Proceedings of HYDRO-2022 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by PEC Chandigarh under the agies of ISH, Pune during 22-24 December, 2022. 

Jibhakate S. M., Timbadiya P.V., and Patel P. L (2022), "Flood Hazard Assessment for Vehicle Instability: A Case-study of Surat City, India " (2022) Proceedings of HYDRO-2022 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by PEC Chandigarh under the agies of ISH, Pune during 22-24 December, 2022. 

Baladaniya K. B., Gehlot, L. K., Patel, P. L., and Timbadiya, P. V. "Future irrigation water requirement in the context of climate change: Ukai-Kakrapar command area, India " (2022)  Proceedings of HYDRO-2022 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by PEC Chandigarh under the agies of ISH, Pune during 22-24 December, 2022. 

Vineela Nandam and P. L. Patel (2022) "Evaluation of Open-source DTMs and TanDEM-X 12 DTM using ICESat-2 altimetry and surveyed data for a flat topography in India" , abstract ID NH31B-05, at AGU Fall meeting 2022, Chicago, Il and online everywhere.  

Vineetha Putta, Vineela Nandam and P. L. Patel (2022), "Assessment of integrated physical and socio-economic vulnerability for a coastal floodplain in India", abstract ID NH11B-03,  at AGU Fall meeting 2022, Chicago, Il and online everywhere.

Vineela Nandam and P. L. Patel (2021) " Assessment of vertical accuracy of freely available Global Digital Elevation Models for Heterogeneous terrains in India" at HYDRO-2021 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by SVNIT Surat under the agies of ISH, Pune during 23-25 December, 2021. (Online)

Shivansh and P. L. Patel (2021). "Effect of drainage area threshold on stream flow modelling using ArcSWAT" at HYDRO-2021 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by SVNIT Surat under the agies of ISH, Pune during 23-25 December, 2021. (Online)

Alka Sharma, P. L. Patel, and Priyank J Sharma (2021). " The role of objective functions in assessment of water balance components using SUFI-2 algorithm in semi-arid basin" at HYDRO-2021 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by SVNIT Surat under the agies of ISH, Pune during 23-25 December, 2021. (Online)

Prabhat Dwivedi, Lalit Kumar Gehlot, P. L. Patel. (2021). "Model Performance Evaluation using streamflow and potential evapotranspiration of Middle Tapi Basin, India" at HYDRO-2021 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by SVNIT Surat under the agies of ISH, Pune during 23-25 December, 2021. (Online)

S V Pawar, P. L. Patel., and A B Mirajkar. (2021). "Development of Multipurpose single reservoir release policy with Fuzzy constraints - A case study" at HYDRO-2021 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by SVNIT Surat under the agies of ISH, Pune during 23-25 December, 2021. (Online)

Sai Priya J., Madhu Priya A., Theertha Ravi, P. L. Patel., and Alka Sharma (2021). "Meteorological Drought analysis of Sabarmati Basin, India" at HYDRO-2021 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by SVNIT Surat under the agies of ISH, Pune during 23-25 December, 2021. (Online)

Jibhakate S. M., Timbadiya P.V., and Patel P. L. (2021). "Computation of Socio-economic Vulnerability for Densely Populated Surat City, India" at HYDRO-2021 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by SVNIT Surat under the agies of ISH, Pune during 23-25 December, 2021. (Online)

Gehlot, L. K., Patel, P. L., and Timbadiya, P. V. (2021). "Assessment of Kernel Regression Based Statistically Downscaled Rainfall Over Tapi River Basin, India" at HYDRO-2021 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by SVNIT Surat under the agies of ISH, Pune during 23-25 December, 2021. (Online)

Payal B Bhujbal , K B Baladaniya, P L Patel and Timbadiya, P. V. (2021). "Estimation of Crop Evapotranspiration and Irrigation Water Requirement for Dharoi Command Area, India" at HYDRO-2021 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by SVNIT Surat under the agies of ISH, Pune during 23-25 December, 2021. (Online)

K B Baladaniya, P L Patel and Timbadiya, P. V. (2021). "Investigation of Crop Evapotranspiration and Irrigation Water Requirement in the Ukai-Kakrapar Command Area, India" at HYDRO-2021 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by SVNIT Surat under the agies of ISH, Pune during 23-25 December, 2021. (Online)

L N Pasupuleti, Timbadiya, P. V. and P L Patel (2021). "Quantification of Wake Vortices around Tandem Piers on Rigid Bed Channel" at HYDRO-2021 International Conference (Hydraulics, Water Resources, and Coastal Engineering organised by SVNIT Surat under the agies of ISH, Pune during 23-25 December, 2021. (Online)

Laxmi Narayana, P., Timbadiya P. V., & Patel, P. L. (2021) "Flow Characterization around Tandem Piers on Rigid Bed Channel". Publications of the Institute of Geophysics, Polish Academy of Sciences, vol. 434 (E-11), 2021, pp. 111-113. DOI: 10.25171/InstGeoph_PAS_Publs-2021-033 

Prem Lal Patel, Priyank Sharma & Ramesh Teegavarapu (2021) "Assessing the utility of climate variability information in streamflow forecasting". Proceedings of EGU General Assembly 2021,  online, 19-30 April 2021, EGU21-14633, https://doi.org/10.5194/egusphere-egu21-14633,2021. 

Vineela Nandam & P. L Patel (2021) "Evaluating Periodic Changes of River Discharge Carrying Capacity: A Case Study of Lower Tapi River". Proceedings of 25th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2020) held online, hosted by NIT Rourkela, India during March 26-28, 2021. 

Anju K V & P. L. Patel (2021) " Development of Hydrological Model (Mike 11 Nam) for Simulation of Stream Flows at Burhanpur Station in Upper Tapi Basin, India". Proceedings of 25th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2020) held online, hosted by NIT Rourkela, India during March 26-28, 2021. 

Alka Sharma, & P. L. Patel (2021) "Relative performance of Continuous and event-based hydrological models for Dharoi sub-catchment of Sabarmati basin in India". Proceedings of 25th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2020) held online, hosted by NIT Rourkela, India during March 26-28, 2021. 

K. B. Baladaniya, P. L. Patel & P. V. Timbadiya (2021) "Hydrodynamic Modelling Of Middle Tapi River Using MIKE 11". Proceedings of 25th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2020) held online, hosted by NIT Rourkela, India during March 26-28, 2021. 

Nikita Saptarishy & P. L. Patel (2021) "Development of a distributed physics hydrological model for prediction of inflows into Hathnur Reservoir from Main Tapi River in Upper Tapi basin India". Proceedings of 25th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2020) held online, hosted by NIT Rourkela, India during March 26-28, 2021. 

Lalit Kumar Gehlot, P. L. Patel & P. V. Timbadiya (2021) "Identification of Hydrologically Efficient Regions in Semi-Arid Yerli Sub-Catchment of Upper Tapi Basin, India". Proceedings of 25th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2020) held online, hosted by NIT Rourkela, India during March 26-28, 2021. 

Shubham M. Jibhakate, P. V. Timbadiya, and Patel P. L. (2021) " Prediction of Water Level/Runoff Using Physics Based Hydrological Model in Lower Tapi Basin, India". Proceedings of 25th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2020) held online, hosted by NIT Rourkela, India during March 26-28, 2021. 

Prabhat Dwivedi, Gehlot, L. K., and Patel P. L. (2021) "Correlation Assessment Of Water Balance Parameters Using Swat Model For Upper Girna Sub-Catchment In Tapi Basin, India". Proceedings of the Sustainable Water Resources Development and Management (SWARDAM 2021), March 2021, Government College of Engineering, Aurangabad, India.

Gehlot, L. K., Patel P. L., and Timbadiya P.V. (2021) "Uncertainty In Streamflow Simulation Due To Rainfall Inputs In Swat Model Of Gopalkheda Sub-Catchment In Tapi Basin, India". Proceedings of the Sustainable Water Resources Development and Management (SWARDAM 2021), March 2021, Government College of Engineering, Aurangabad, India.

Jibhakate S. M., Timbadiya P.V., and Patel P. L. (2021) “Flood Hazard Assessment of Coastal Urban Flood Plain”. Proceedings of the Sustainable Water Resources Development and Management (SWARDAM 2021), March 2021, Government College of Engineering, Aurangabad, India.

Jibhakate S. M., Timbadiya P.V., and Patel P. L. (2021) “Dam Break Flood Analysis from Ukai Dam in Lower Tapi River, India”. Proceedings of ICOLD Symposium on Sustainable Development of Dams and River Basins (ICOLD 2021), February 2021, New Delhi, India.

Gehlot, L. K., Patel, P. L., & Timbadiya, P. V. (2019). Investigation on characteristics and trend of rainfall over Middle Tapi basin, India. Proceedings of 24th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2019) at Hyderabad, India during Dec. 18-20, 2019.

Sharma, A. & Patel, P. L. (2019). An event based hydrological modelling using HEC-HMS for Dharoi catchment of Sabarmati Basin. Proceedings of 24th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2019) at Hyderabad, India during Dec. 18-20, 2019.

Laxmi Narayana, P., Murali, K., Sayan, M. & Patel, P. L. (2019). Experimental investigation on erosion and deposition pattern around a sand pit in an alluvial channel. Proceedings of 24th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2019) at Hyderabad, India during Dec. 18-20, 2019.

Jibhakate, S. M., Timbadiya, P. V., & Patel, P. L. (2019). Assessment of recent changes in extreme rainfall variability over Lower Tapi Basin, India. Proceedings of 24th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2019) at Hyderabad, India during Dec. 18-20, 2019.

Resmi, S. R., Patel, P. L., & Timbadiya, P. V. (2019). Effective discharge for bed material transport in two rivers of Upper Tapi Basin: Decadal changes, causes and effects. Proceedings of 24th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2019) at Hyderabad, India during Dec. 18-20, 2019.

Sourabh, N., Timbadiya, P. V., & Patel, P. L. (2019). Experimental analysis of hydraulic transient in a single pipe. Proceedings of 24th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2019) at Hyderabad, India during Dec. 18-20, 2019.

Pawar, S. V., Patel, P. L., & Mirajkar, A. B. (2019). An intuitionistic fuzzy optimization approach for a multi-objective problem of Kakrapar left bank main canal, India. Proceedings of 24th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2019) at Hyderabad, India during Dec. 18-20, 2019.

Vineela, N., & Patel, P. L. (2019). Assessing LULC changes in Lower Tapi Basin using a hybrid methodology involving supervised and spectral indices approaches. Proceedings of 24th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2019) at Hyderabad, India during Dec. 18-20, 2019.

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2019). Hydroclimatic Teleconnections of Large‐Scale Circulations on Variability of Monsoon Inflows into Ukai Reservoir, India. Proceedings of 24th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2019) at Hyderabad, India during Dec. 18-20, 2019.

Kachhwaha, V., & Patel, P. L. (2018). Integrated hydrological and hydraulic model for prediction of inflows into Hathnur reservoir. Proceedings of 23rd HYDRO-2018 International at National Institute of Technology, Patna during Dec. 19-21, 2018.

Choudhary, S., & Patel, P. L. (2018). Development of hydraulic geometry equations for Middle Tapi River, India. Proceedings of 23rd HYDRO-2018 International at National Institute of Technology, Patna during Dec. 19-21, 2018.

Resmi, S. R., Patel, P. L. & Timbadiya, P. V. (2018). Linking of sediment yield pattern with rainfall and land-use land-cover changes within Burhanpur sub-catchment, India. Proceedings of 23rd HYDRO-2018 International at National Institute of Technology, Patna during Dec. 19-21, 2018.

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2018). Changes in monthly hydro-climatic indices for Middle Tapi Basin, India. Proceedings of the 23rd HYDRO-2018 International at National Institute of Technology, Patna during Dec. 19-21, 2018.

Laxmi Narayana, P., Timbadiya P. V., & Patel, P. L. (2018). Characterization of flow turbulence around bridge pier on rigid bed channel. Proceedings of 23rd HYDRO-2018 International at National Institute of Technology, Patna during Dec. 19-21, 2018.

Resmi, S. R., Patel, P. L. & Timbadiya, P. V. (2018). Geomorphic effectiveness of peak flows in Upper and Middle Tapi rivers, India. Proceedings of 21st congress of International Association for Hydro-Environment Engineering and Research, Asia Pacific Division (IAHR-APD) at Royal Ambarrukmo Hotel, Yogyakarta, Indonesia during Sept. 02-05, 2018.

Sharma, P. J. & Patel, P. L. (2018). Rainfall trends over the past century for tropical climatic region in western India. Proceedings of the 13th International Conference on Hydroinformatics (HIC 2018) at Palermo, Italy during July 01-06, 2018.

Loliyana, V. D. & Patel, P. L. (2017). Evaluation of soil moisture prediction for Gopalkheda sub-catchment, India. Proceedings of the 22nd HYDRO-2017 International at L D College of Engineering, Ahmedabad during Dec. 21-23, 2017. 

Resmi, S. R., Patel, P. L. & Timbadiya, P. V. (2017). A study on morphological changes in Upper Tapi River, India. PProceedings of the 22nd HYDRO-2017 International at L D College of Engineering, Ahmedabad during Dec. 21-23, 2017. 

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2017). Assessing the impact of Hathnur reservoir on hydrological regime of Tapi River, India. Proceedings of the 22nd HYDRO-2017 International at L D College of Engineering, Ahmedabad during Dec. 21-23, 2017. 

Neha, M. & Patel P. L. (2017). Computation of channel roughness and unit stream power using simulated and observed flow variables of Middle Tapi River. Proceedings of the 22nd HYDRO-2017 International at L D College of Engineering, Ahmedabad during Dec. 21-23, 2017. 

Chaitanya, J. C., & Patel P. L. (2017). Energy and momentum correction factors under varied roughness and flow conditions in mobile boundary channels. Proceedings of the 22nd HYDRO-2017 International at L D College of Engineering, Ahmedabad during Dec. 21-23, 2017.

Patel, P. L., Andharia, B. R., Manekar, V. L. & Porey, P.D. (2017). A 1D numerical model for aggrading channel of nonuniform sediment bed. Proceedings of 37th IAHR World Congress-2017 at Kuala Lumpur, Malaysia during Aug. 13-18, 2017.

Laxmi Narayana, P., Timbadiya P. V., & Patel, P. L. (2017). Post processing of ultrasonic ranging system and acoustic doppler velocimeter data for morphological studies. Proceedings of 37th IAHR World Congress-2017 at Kuala Lumpur, Malaysia during Aug. 13-18, 2017. 

Patel, P. L., Andharia, B. R., & Manekar, V. L. (2017). A 1D Numerical Model for Prediction of Bed Levels of Aggrading Channels. Congress, ASCE – EWRI, 2017 at Sacramento, California during May 21-25, 2017. 

Loliyana, V. D., & Patel, P. L. (2016). Groundwater flow estimation using distributed hydrologic model for Yerli sub-catchment, Maharashtra, India. Proceedings of the 21st HYDRO – 2016 International at CWPRS Pune during Dec. 8-10, 2016. 

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2016). At-site flood frequency analysis for Upper Tapi basin, India. Proceedings of the 21st HYDRO – 2016 International at CWPRS Pune during Dec. 8-10, 2016. 

Sinha, J., Patel, P. L., Das, S. K. & Samtani, B. K. (2016). Flow characteristics at horizontal interface of asymmetric compound open channel. Proceedings of the 21st HYDRO – 2016 International at CWPRS Pune during Dec. 8-10, 2016.

Resmi, S. R., Patel, P. L. & Timbadiya, P. V. (2016). Morphological study of Upper Tapi river using remote sensing and GIS technique. Proceedings of the 21st HYDRO – 2016 International at CWPRS Pune during Dec. 8-10, 2016.

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2016). Seasonal Stochastic Model for Long Term Reservoir Inflow Forecasting for Ukai Reservoir, India. Proceedings of the 20th IAHR APD 2016 at Colombo, Sri Lanka, during August 28-31, 2016. 

Loliyana, V. D., & Patel, P. L. (2016). Physics based distributed overland flow modeling for Yerli sub-catchment, Maharashtra, India. Proceedings of the 20th IAHR APD 2016 at Colombo, Sri Lanka, during August 28-31, 2016. 

Laxmi Narayana, P., Timbadiya P. V., & Patel, P. L. (2016). Aggradation in mobile boundary channel due to overloading of sediments. Proceedings of the 20th IAHR APD 2016 at Colombo, Sri Lanka, during August 28-31, 2016.

Resmi, S. R. & Patel, P. L. (2016). Regional flood frequency relationship for the upper Tapi basin. Proceedings of International Conference, ICWEES-2016, Bhopal during March 14-18, 2016. 

Chandra, P., Patel, P. L., & Porey, P. D. (2015). Sediment management modelling in Upper Tapi basin. Proceedings of the 20th HYDRO –2015 International held at IIT Roorkee, during Dec. 17-19, 2015.

Tripathi, A., Timbadiya P. V., & Patel, P. L. (2015). A 2-D Hydrodynamic Model for Urban Flood Plain of Surat City, India. Proceedings of the 20th HYDRO–2015 International held at IIT Roorkee, during Dec. 17-19, 2015.

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2015). Stochastic Modelling for Inflow Prediction into Ukai Reservoir, India. Proceedings of the 20th HYDRO–2015 International held at IIT Roorkee, during Dec. 17-19, 2015.

Nagpal, G. & Patel, P. L. (2015). Identification of regional frequency model for rainfall based on spatial clustering in lower Tapi basin, India. Proceedings of the 20th HYDRO–2015 International held at IIT Roorkee, during Dec. 17-19, 2015.

Resmi, S. R. & Patel, P. L. (2015). Assessment of Regional Flood Frequency Model for the Upper Tapi Basin, India. Proceedings of the 20th HYDRO–2015 International held at IIT Roorkee, during Dec. 17-19, 2015.

Loliyana, V. D., & Patel, P. L. (2015). Distributed surface water flow model for Gopalkheda sub-catchment, Maharashtra, India. Proceedings of the 20th HYDRO 2015 International held at IIT Roorkee, during Dec. 17-19, 2015.

Patel, A., Timbadiya P. V., & Patel, P. L. (2015). Development of IDF curveunder non-stationary meteorological condition. Proceedings of the 36th IAHR world congress 2015 at The Hague, Netherlands, during June 28-July 3, 2015.

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2015). A simulation – optimization approach in development of operation policy of a multipurpose reservoir. Proceedings of the 36th IAHR world congress 2015 at The Hague, Netherlands, during June 28-July 3, 2015.

Patwa, D., Patel, P. L., & Timbadiya P. V. (2015). Experimental investigation of turbulent bursting events in weakly mobile channel bed.  Proceedings of the 36th IAHR world congress 2015 at The Hague, Netherlands, during June 28-July 3, 2015.

Loliyana, V. D., & Patel, P. L. (2015). Trend analysis of climate variables and their impact on stream flow using NAM model. Proceedings of the 36th IAHR world congress 2015 at The Hague, Netherlands, during June 28-July 3, 2015.

Timbadiya, P. V., Patel, P. L., & Porey, P.D. (2015). Flood inundation mapping of Surat city using 1D-2D coupled hydrodynamic model. International conference on “India Water Week-2015”, organized by Central Water Commission, held at New Delhi during Jan. 13-17, 2015. 

Sharma, P. J., Loliyana, V. D., Resmi, S. R., Tripathi, A., Nagpal, G., Timbadiya P. V., & Patel, P. L. (2015). Investigation of long-term trends and temporal variability of rainfall in Surat district, Gujarat,  International conference on “India Water Week-2015”, organized by Central Water Commission, held at New Delhi during Jan. 13-17, 2015. 

Chandra, P., Patel, P. L., Porey, P. D. & Gupta, I. D. (2014). Contrast in sediment yield patterns of subcatchments of upper Tapi basin. Proceedings of the 19th HYDRO –2014 International held at MANIT Bhopal, during Dec. 17-19, 2014. 

Andharia, B. R., Patel, P. L., Manekar, V. L., & Porey, P. D. (2014). Experimental and numerical studies on aggradation for alluvial stream bed. Proceedings of the 19th HYDRO –2014 International held at MANIT Bhopal, during Dec. 17-19, 2014. 

Bhuvandas, N., Timbadiya, P. V., Patel, P. L., & Porey, P.D., (2014). Trend detection and forecasting of annual precipitation in Tapi basin, India using singular spectrum analysis (SSA). Proceedings of the 19th HYDRO – 2014 International at MANIT Bhopal during Dec. 17-19, 2014.

Dixit, S., & Patel, P. L. (2014). Turbulence characteristics over a fluvial channel bed. Proceedings of the 19th HYDRO – 2014 International at MANIT Bhopal during Dec. 17-19, 2014.

Patel A., Timbadiya P. V., & Patel, P. L. (2014). Development of IDF curve: A study for Dholera region of Gujarat, India. Proceedings of the 19th HYDRO – 2014 International at MANIT Bhopal during Dec. 17-19, 2014.

Patwa D., Timbadiya P. V., & Patel, P. L. (2014). Characterization of turbulence in mobile boundary channels. Proceedings of the 19th HYDRO – 2014 International at MANIT Bhopal during Dec. 17-19, 2014.

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2014). Performance of multi-purpose reservoir using simulation models for different scenarios. Proceedings of the 19th HYDRO – 2014 International at MANIT Bhopal during Dec. 17-19, 2014.

Loliyana, V. D., & Patel, P. L. (2014). Calibration and validation of hydrologic model for Yerli subcatchment (Maharashtra, India). Proceedings of the 19th HYDRO – 2014 International at MANIT Bhopal during Dec. 17-19, 2014.

Bhuvandas, N., Timbadiya P. V., Patel, P. L., & Porey, P.D., (2014). Review of Downscaling Methods in Climate Change and Their Role in Hydrological Studies. International conference on Environmental, Ecological, Geological and Mining Engineering World Academy of Science, Engineering and Technology, held at Dubai, 2014.

Andharia, B. R., Patel, P. L., Manekar, V. L., & Porey, P. D. (2013). Mathematical modeling of aggradation in alluvial channels. Proceedings of the 18th HYDRO – 2013 International at IIT Madras, Chennai during Dec. 4-6, 2013.

Chandra, P., Patel, P. L., Porey, P. D. & Gupta, I. D. (2013). Sediment yield modeling for upper Tapi basin. Proceedings of the 18th HYDRO – 2013 International at IIT Madras, Chennai during Dec. 4-6, 2013.

Loliyana, V. D., & Patel, P. L. (2013). Conceptual rainfall-runoff model for Gopalkheda subcatchment (Maharashtra, India) using MIKE11 NAM model. Proceedings of the 18th HYDRO – 2013 International at IIT Madras, Chennai during Dec. 4-6, 2013.

Timbadiya P. V., Mirajkar, A.B., & Patel, P. L. (2013). Ukai reservoir operation simulation using HECResSim. Proceedings of the 18th HYDRO – 2013 International at IIT Madras, Chennai during Dec. 4-6, 2013.

Mirajkar, A.B., & Patel, P. L. (2013). Fuzzy Programming Models for Optimal Irrigation Planning Under Uncertain Resource Conditions. Proceedings of the 18th HYDRO – 2013 International at IIT Madras, Chennai during Dec. 4-6, 2013.

Bhuvandas, N., Timbadiya P. V., Patel, P. L., & Porey, P.D., (2013). Analysis of trends and variability in time series of extreme daily rainfall in Tapi basin, India. Proceedings of the 35th IAHR World Congress 2013 at Chengdu, China during September 9-13, 2013. Vol. 8(3), paper No. A11949.

Patel, S. B., Patel, P. L., & Porey, P.D., (2013). Experimental study on initiation of motion and bedload transport of unimodal and bimodal sediments. Proceedings of the 35th IAHR World Congress 2013 at Chengdu, China during September 9-13, 2013. Vol. 5(1), paper No. A10517. 

Mirajkar, A.B., & Patel, P. L. (2012). Multi-objective fuzzy linear programming under uncertain resource parameters. International Conference on Hydro-system and Engineering- 2012, Orlando, USA at University of Central Florida (UOCF), Orlando, USA organized by UOCF in association with EWRIASCE, IAHR, IIHR etc. during November 4-7, 2012.

Timbadiya P. V., Patel, P. L., & Porey, P.D., (2012). Calibration of channel and flood plain roughness using 1D/2D integrated hydrodynamic model : A study of Surat city on lower Tapi River. International Conference on Hydro-system and Engineering- 2012, Orlando, USA at University of Central Florida (UOCF), Orlando, USA organized by UOCF in association with EWRIASCE, IAHR, IIHR etc. during November 4-7, 2012.

Timbadiya P. V., Patel, P. L., & Porey, P.D., (2012). Geomorphic effectiveness of flood on lower Tapi River, India using 1D hydrodynamic model. International Conference on Hydro-system and Engineering- 2012, Orlando, USA at University of Central Florida (UOCF), Orlando, USA organized by UOCF in association with EWRIASCE, IAHR, IIHR etc. during November 4-7, 2012.

Timbadiya P. V., Mirajkar, A.B., Patel, P. L. & Porey, P.D. (2012). Recent Trend Analysis for Annual Peak Flow in Tapi Basin. International conference on “India Water Week-2012”, organized by Central Water Commission, held at New Delhi.

Mirajkar, A.B., & Patel, P. L. (2011). Optimal Irrigation Planning By Stochastic Linear Programming Approach For Ukai Irrigation Project. Indo-Italian workshop in Hydrology, CWPRS, Pune, Maharashtra, September, 15-16, 2011.

Bhuvandas, N., Mirajkar, A.B., Timbadiya P. V. & Patel, P. L. (2010). Optimization of irrigation area of URBMC – A Linear Programming Approach. AIP conference proceedings Volume-1324, International conference on Methods and Models in Science and Technology (ICM2ST-10) held at Chandigarh on Dec. 25-26, 2010.

Timbadiya P. V., Patel, P. L., & Porey, P.D. (2009). River stage Simulation using HEC-RAS. Proceeding of 3rd International Congress on Computational Mechanics and Simulation-2009, at IIT- Bombay during 1-5 December, 2009.

Durga S.K. & Patel, P. L. (2004). Semi-theoretical approach on transport of coarse sediments. Proceeding of an International Conference on “Hydraulic Engineering: Research and Practice (ICON-HERP-2004)” held at Department of Civil Engineering, IIT Roorkee, Oct. 26 -28, 2004, pp.164-175.

Timbadiya P. V., Patel, P. L., & Porey, P.D. (2010). Flood Forecasting in Tapi Basin: A Scope for Improvement. Journal of Applied Hydrology, AHI, Vol. XXIII, No.3 & 4, 2010, pp. 44-52.

Banerjee J., Patel, P.L., & Arora, H.L. (2010). CFD Simulation of Hydro turbine units including tail race channel of Koteshwar Hydro-Electric Project. THDC Hydro-Tech Journal, Vol. 4, Issue 2, 2016, pp. 65-76.

Sharma, P. J., Patel, P. L., & Jothiprakash, V. (2018). Climate Elasticity of Streamflow in Upper Tapi Basin, India. In Proceedings of Next Frontiers in Civil Engineering: Sustainable and Resilient Infrastructure (NFiCE 2018), IIT Bombay, India.

Sharma, P. J., Loliyana, V.D., Patel, P. L., & Jothiprakash, V. (2017). Investigation of Long-Term Trends and Temporal Variability in Annual Rainfall across Purna River Basin, India. Proceedings of 49th IWWA Annual Convention on “Smart Water Management” at VNIT Nagpur, India during Jan. 19-21, 2017.

Rajendran, K., Patel, P. L., &  Timbadiya, P. V. (2016). Morphological Analysis of Lower Tapi River using Remote Sensing and GIS Technique. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016.

Rajak, A., Patel, P. L., &  Timbadiya, P. V. (2016). Characterisation of Erosion and Deposition Behaviour of Middle Tapi River, India. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016.

Resmi, S. R., Patel, P. L., &  Timbadiya, P. V. (2016). Quantification of Bank Erosion and Bankline Migration in Upper Tapi River, India. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016.

Pal, L., & Patel, P. L. (2016). Identification of Trend and Change Point in Hydro- Climatic Variables in Tapi Basin, India. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016.

Sharma, V., Loliyana, V. D., Timbadiya, P.V., & Patel, P. L. (2016). Investigation of Trends in Extreme Rainfall and Rainy Days over Middle Tapi Basin, India. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016.

Shah, N., Sharma, P.J., V. D., Timbadiya, P.V., & Patel, P. L. (2016). Spatio-Temporal Analysis of Changes in Rainfall Pattern over Gujarat State, India. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016.

Vachchhani, R.P., Lathiya, Y.J., Timbadiya, P.V., & Patel, P. L. (2016). Trend Analysis of Water Quality Parameters in Tapi Basin, India. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016.

Bhagat, M.S., Ghare, A.D., Ralegaonkar A.V., & Patel, P. L. (2016). Flood and Agricultural Water Management using a Hydrophilic Material. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016. 

Chetan, S.V., Tripathi, A., Timbadiya, P.V., & Patel, P. L. (2016). Flood Hazard Mapping of Surat City for Different Return Period Floods.Analysis of Rainfall Variability for Middle Tapi Basin, India. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016. 

Maurya, V., Sharma, P.J., Timbadiya, P.V., & Patel, P. L. (2016). Analysis of Rainfall Variability for Middle Tapi Basin, India. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016. 

Loliyana, V. D., & Patel, P. L. (2016). Distributed Hydrological Modelling using MIKE SHE for Gopalkheda Sub- Catchment, Maharashtra, India. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016. 

Laxmiarayana, P., Timbadiya, P.V., & Patel, P. L. (2016). Influence of Turbulence in Aggraded Alluvial Bed in Mobile Boundary Channel. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016. 

Andharia, B. R., Patel, P. L., Manekar, V. L., & Porey, P. D. (2016). Prediction of Bed Aggradation in Alluvial Streams: Application of Numerical Computations. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016. 

Sharma, P.J., Timbadiya, P.V., & Patel, P. L. (2016). M5 Model Tree Technique in Daily River Flow Forecasting for Purna River in Tapi Basin, India. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016.

Sinha, J., Das, S.K., Patel, P. L., & Samtani, B.K. (2016). Hydrodynamic Characteristics of Flows in a Two-Layered Compound Open Channels using Dynamic SGS Model. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016.

Pawar, S.B., Mirajkar, A.B. & Patel, P. L. (2016). Optimal Irrigation Planning in an Intuitionistic Fuzzy Environment. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016.

Mankar, M.S., Mirajkar, A.B. & Patel, P. L. (2016). Sustainable Irrigation Planning using Multi Objective Fuzzy Optimization Models. Proceedings of National Conference on Water Resources and Flood Management (WRFM)-2016 at SVNIT Surat during Oct. 14-15, 2016.

Mirajkar, A.B. & Patel, P. L. (2013). Sustainable Irrigation Planning Management With Multi-Objective Fuzzy Linear Programming. Proceedings of SWRDAM-13 at GEC Aurangabad during Sept 30- Oct 1, 2013.

Loliyana, V. D., & Patel, P. L. (2012). Calibration and performance of HEC-RAS based hydrodynamic model for stage prediction in lower Tapi river. Proceedings of National Conference HYDRO-2012 at IITBombay during December 7-8, 2012.

Chandra, P., Patel, P. L., Porey, P. D. & Gupta, I. D. (2012). Estimation of sediment yield using SWAT model- Generation of input data for Tapi basin. Proceedings of National Conference HYDRO-2012 at IITBombay during December 7-8, 2012.

Patel, S.B., Patel, P. L., & Porey, P.D., (2012). Experimental investigation on threshold for incipient motion of graded sediments. Proceedings of National Conference HYDRO-2012 at IITBombay during December 7-8, 2012.

Sinha, J., Das, S.K., Patel, P. L., & Samtani, B.K. (2012). Development of two layered model for compound open channel flow. Proceedings of National Conference HYDRO-2012 at IITBombay during December 7-8, 2012.

Mirajkar, A.B. & Patel, P. L. (2012). Sustainable Irrigation Planning using two phase Multi- Objective Fuzzy linear programming approach. Proceedings of National Conference HYDRO-2012 at IITBombay during December 7-8, 2012.

Timbadiya P. V., Patel, P. L., & Porey, P.D., (2012). Comparative Prediction of rating curves using 1D and 1D- 2D coupled Hydrodynamic models. Proceedings of National Conference HYDRO-2012 at IITBombay during December 7-8, 2012.

Andharia, B. R., Patel, P. L., Manekar, V. L., & Porey, P. D. (2012). Estimation of Friction Factor for Alluvial Rivers. Proceedings of National Conference HYDRO-2011 at SVNIT Surat during December 29-30, 2011.

Patel, S.B., Patel, P. L., & Porey, P.D., (2011). Comparative Performance of Critical Tractive Stress Predictors for Bimodal Sediments. Proceedings of National Conference HYDRO-2011 at SVNIT Surat during December 29-30, 2011.

 Chandra, P., Patel, P. L., Porey, P. D. & Gupta, I. D. (2011). Analysis of Sediment Yield Data in Tapi Basin. Proceedings of National Conference HYDRO-2011 at SVNIT Surat during December 29-30, 2011.

Mirajkar, A.B. & Patel, P. L. (2011). Chance Constraint Linear Programming Model for Optimal Cropping Pattern. Proceedings of National Conference HYDRO-2011 at SVNIT Surat during December 29-30, 2011.

Shiyekar., S.S., Patel, P. L., & Timbadiya, P.V. (2011). Irrigation Operating Policies using Genetic Algorithm for Ukai Reservoir, India: A Case Study. Proceedings of National Conference HYDRO-2011 at SVNIT Surat during December 29-30, 2011.

Timbadiya, P.V., Suthar, A.M., & Patel, P. L. (2011). Hydrodynamic Simulation of Open Channel Flow using MIKE 11 and its Validation: A Case Study. Proceedings of National Conference HYDRO-2011 at SVNIT Surat during December 29-30, 2011.

Timbadiya P. V., Patel, P. L., & Porey, P.D., (2011). One-Dimensional Model in Prediction of Stage-Discharge Curves in Natural Channel. Proceedings of National Conference HYDRO-2011 at SVNIT Surat during December 29-30, 2011.

Loliyana, V. D., Timbadiya P. V., Patel, P. L., Khan, M. & Dave, K.L., (2011). HEC-RAS Model in Prediction of Levees along Lower Tapi River. Proceedings of National Conference HYDRO-2011 at SVNIT Surat during December 29-30, 2011.

Mirajkar, A.B. & Patel, P. L. (2011). Optimal Irrigation Planning in Fuzzy Environment: A Case Study of Canal Command Area, Gujarat. National Conference on Environment Pollution and Management, GEC Aurangabad, MS, pg. 159-166, Jan-2011.

Bhuvandas, N., Mirajkar, A.B., Timbadiya P. V. & Patel, P. L. (2010). Optimal Cropping pattern in Command Area Kakrapar Right Bank Main Canal. National Conference on Sustainable Development of Urban Infrastructure, VNIT, Nagpur, pp. 408-413, June 2010.

Mirajkar, A.B. & Patel, P. L. (2010). Optimal Cropping Pattern for Ukai Command Area, Gujarat. 14th National Symposium on Hydrology at MNIT- Jaipur during December- 21-22, 2010.

Timbadiya P. V., Patel, P. L., & Porey, P.D. (2010). Simulation of Stages using Hydrodynamic model MIKE 11 : A case study of Lower Tapi river. 14th National Symposium on Hydrology at MNIT- Jaipur during December- 21-22, 2010.

Mirajkar, A.B. & Patel, P. L. (2010). Optimal Irrigation Planning in Fuzzy Environment: A Case Study of Kakrapar Canal Command Area, Gujarat. Proceedings of a National Conference HYDRO-2010 at Ambala (Haryana), on 16-18 December, 2010.

Patel, S.B., Patel, P. L., & Porey, P.D. (2009). Characterization and Computation of Critical Tractive Stress of Bimodal sediments. Proceedings of a National Conference HYDRO – 2009, held at Khadakwasla, PUNE (INDIA), Dec. 17 -18, 2009.

Patel, S.B., Patel, P. L., & Porey, P.D. (2009). Evaluation of Existing Methods for Computation of Critical Tractive Stress of Bimodal sediments. National Specialty Conference on River Hydraulics – 2009, held at MMU- Mullana, Haryana, Oct. 29-30, 2009.

Timbadiya P.V., Trivedi, J., Shah, R.N., & Patel, P. L. (2009). Simulation o fflow in Tapi river between Ukai Dam and Kakrapar weir using HEC-RAS. Proceedings of the Civil Engineering Conference Innovation Without Limits (CEC-09) at NIT-Hamirpur during September 18-19, 2009.

Timbadiya P. V., Patel, P. L., & Porey, P.D. (2009). Simulation of Unsteady flow in Natural channel: A case study of Tapi river using MIKE-11. Proceedings of the Civil Engineering Conference Innovation Without Limits (CEC-09) at NIT-Hamirpur during September 18-19, 2009.

Patel, P.L., & Samtani B. K. (2009). Need for Water Resources and Flood Management Centre in South Gujarat Region. Proceeding of Seminar on Water for Future- Issues and Options organized by CWC during March 4- 5, 2009.

Timbadiya P. V., Patel, P. L., & Porey, P.D. (2009). Flood Forecasting in Tapi Basin : A Scope for Improvement. Proceeding of National Seminar on recent advances in Hydrology for Water Resources Development and Management & xxvii Annual Convention of AHI 21st & 22nd January 2009, Baroda.

Timbadiya P. V., Patel, P. L., & Porey, P.D. (2008). Stream flow forecasting using ANN approach for Sabarmati River Basin. Proceedings of a National Conference HYDRO-2008 at MNIT Jaipur during Dec. 15-16, 2008, pp.254-263.

Patel, S.B., Patel, P. L., & Porey, P.D. (2008). Critical Tractive Stress of Representative Sizes in Non-uniform Sediments. Proceedings of a National Conference HYDRO-2008 at MNIT Jaipur during Dec. 15-16, 2008, pp. 366-374.

Patel, P. L., Porey, P.D. & Jain, M. (2008). Computation of Bed load transport of non-uniform bimodal sediments. Proceeding of Indian National Conference on Advances in Hydraulic engineering with special emphasis on Model- Prototype Conformity, INCAHE-2008, Nov. 6-7 2008, pp.184-188. 

Timbadiya P. V., Ghare, A.D., Patel, P. L., & Porey, P.D. (2008). Stream flow forecasting using Deterministic approach for Sabarmati River Basin. Proceeding of 13th National Seminar symposium on Hydrology with focal theme on “flow forecasting during Extremes”, 28-29, August 2008, IIT-Delhi.

Nitisha J.A., Patel, P. L., & Samtani B.K. (2006). Study of Mobility Index of Sarangkheda gauging station of Tapi River. Proceedings of a National Conference HYDRO-2006, Dec.08-09, SIT Tumkur.

Goyal, K., & Patel, P. L. (2006). Probabilistic model in prediction of non-uniform sediment bed surface under equilibrium condition. Proceedings of a National Conference HYDRO-2006, Dec.08-09, SIT Tumkur.

Patel, P. L., & Shrivastav, V. (2006). Critical submergence of skijump bucket: An analytical approach. Proceedings of a National Conference HYDRO-2006, Dec.08-09, SIT Tumkur.

Patel, P. L. (2006). Prediction of critical tractive stress of non-uniform and bimodal sediments. Proceeding of a National Conference HYDRO-2006, Dec. 08-09, SIT Tumkur, pp.668-674.

Patel, P. L. (2004). Sediment transport concepts in design of power canals and silt exclusion devices. Proceedings of a National Seminar on Safety and Quality management in development of Uttaranchal,organized by Institution of Engineers, June 24, 2004, pp.241-245

Patel, P. L. & Sharma, A.K. (2003). Incipient motion conditions of Non-uniform sediments. National Conference on Hydraulics and Water Resources, HYDRO 2003, at Khadakwasla, Pune during December 26-27, 2003, pp 183- 187.

Patel, P. L. (2003). An evaluation of critical tractive stress of non-uniform sediments. National Conference on Advances in Civil Engineering, Dept. of Civil Engg., HBTI, Kanpur, pp. 452-457.

Patel, P. L. (2002). Measures for silt free water in power canal. National Workshop on ‘Water Quality (Including drinking water)’ Feb. 2002 held at Jawahar Lal Nehru University, New Delhi.

Mazumdar, S.K., & Patel, P. L. (2001). Model study of a ski-jump type energy dissipator. HYDRO 2001, National conference on Hydraulics and Water Resources, CWPRS, Khadakwasla, Pune, pp. 425-432.

Patel, P. L., & Ghosh, M.D. (2001). Lift and drag model for transport of coarse sediments. HYDRO 2001, National conference on Hydraulics and Water Resources, CWPRS, Khadakwasla, Pune, pp. 237-283

Patel, P. L. (2000). Criteria for movement of Non-uniform sediments: An overview. HYDRO 2000, Recent Advances in Hydraulic and Water Resources, Deptt. Of Civil Engg., Regional Engineering College, Kurukshetra, pp. 216-223

Patel, P. L. & Rangaraju, K.G. (1994). An evaluation of fraction wise calculation of bed load. NASORT in Design of Hydraulic Structures, Dept. of Civil Engg, University of Roorkee, pp. 265-272, 1994.

Patel, P. L., Asawa, G.L., & Rangaraju, K.G. (1994). Characteristics of flow past Ski-jump bucket. NASORT in Design of Hydraulic Structures, Dept. of Civil Engg, University of Roorkee, pp 143-151, 1994.