Publications:
Bejagam, V., and Sharma, A. (2025) "Increasing cumulative impacts of droughts under climate change does not alter the ecosystem resilience in India." Earth's Future , 13, https://doi.org/10.1029/2024EF005888 (IF - 8.2)
Singh, A., Bejagam, V., and Sharma, A. (2024) "Investigating the role of groundwater in Ecosystem Water Use Efficiency in India considering irrigation, climate and land use." Groundwater for Sustainable Development, 27, 10163. https://doi.org/10.1016/j.gsd.2024.101363 (IF: 5.6)
Bejagam, V., Sharma, A., and Wei, A. (2024) "Projected decline in the strength of vegetation carbon sequestration under climate change in India." Science of the Total Environment, 916. https://doi.org/10.1016/j.scitotenv.2024.170166 (IF: 8.0)
Bejagam, V., Singh, A., and Sharma, A. (2023) "Spatiotemporal variability and controlling factors of ecosystem water use efficiency in India." Theoretical and Applied Climatology, 152, 813–827. https://link.springer.com/article/10.1007/s00704-023-04418-z (IF: 2.7)
Bejagam, V., and Sharma, A. (2022) "Remote sensing-based multi-scale characterization of ecohydrological indicators (EHIs) in India." Ecological Engineering, 187,106841. https://doi.org/10.1016/j.ecoleng.2022.106841. (IF: 4.1)
Bejagam, V., and Sharma, A. (2022) "Impact of climatic changes and anthropogenic activities on ecosystem net primary productivity in India during 2001–2019." Ecological Informatics, 70, 101732. https://doi.org/10.1016/J.ECOINF.2022.101732. (IF: 7.3)
Bejagam, V., Keesara, V. R., and Sridhar, V. (2022). “Impacts of climate change on water provisional services in Tungabhadra basin using InVEST Model.” River Research and Applications, 38(1),94-106. https://doi.org/10.1002/rra.3891. (IF: 1.9)
Mangukiya, N.K., Kanneganti B.K., Dey, P., Sharma, S., Bejagam, V., Mujumdar, P.P., and Sharm A. (2025). CAMELS-IND: hydrometeorological time series and catchment attributes for 472 catchments in Peninsular India. Earth System Science Data https://doi.org/10.5194/essd-2024-379
- Under Review:
Bejagam, V., Sharma, A., and Wei, A. (2024) "A Holistic Multi-Dimensional Resilience Index for Assessing Ecosystem Functioning During Droughts in India."
Sahoo, T., Bejagam, V., and Sharma, A. (2024) "Impact of compound hot-dry extremes on terrestrial ecosystem productivity in India."
- Book Chapters:
Sharma A., Bejagam V., and Goyal, M. K. (2022). “Remote Sensing Applications in Drought Monitoring and Prediction.” Hydro-Meteorological Extremes and Disasters (part of the Disaster Resilience and Green Growth book series (DRGG)) https://link.springer.com/chapter/10.1007/978-981-19-0725-8_5.
- Conferences:
Bejagam, V., and Keesara, V. R. (2019). “Applicability and Sensitivity Analysis of InVEST Water Yield Model for Tungabhadra River Basin.” HYDRO 2019–International Conference on “Hydraulics, Water Resources and Coastal Engineering”,18-20 December 2019, Osmania university, vol-2, 1892-1897.
Vishwakarma, A., Bejagam, V., and Sharma, A. (2021). “A review on the influence of droughts on Ecosystems and Ecosystem Services (ES).” International Conference on Ecosystem Restoration for Resilience and Sustainability: Living with nature (2021) (World environment Day- Launch of UN decade for Ecosystem Restoration), June 5th- June 7th, 2021.
Bejagam, V., and Sharma, A. (2021). “Impact of Climatic Changes and Anthropogenic Activities on Ecosystem's NPP in India.” Second International Conference on Natural Hazards and Risks in a Changing World 2021, 5 – 6 October 2021.
Sharma, A., Bejagam, V., and Singh, A.K. (2021). “Streamflow prediction using Long Short-Term Memory (LSTM) model across 55 hydrologically-distinct watersheds in India.” AGU fall meeting 2021, 13-17 December 2021.
Bejagam, V., Singh, A., and Sharma, A. (2021). “Spatiotemporal variability and controlling factors of ecosystem water use efficiency in India” Roorkee Water Conclave 2022, 02-04 March 2022.
Bejagam, V., and Sharma, A. (2022). “Quantification of impacts of climate change and anthropogenic activities on ecosystem net primary productivity in India using residual trend (RESTREND) analysis.”AsiaFlux 2022 Conference, 22-24 September 2022.
Singh, A., Bejagam, V., and Sharma, A. (2022). “Role of groundwater in spatio-temporal variations of Water Use Efficiency in India." 9th International Ground Water Conference (IGWC) 2022, 02-04 November 2022.
Bejagam, V., and Sharma, A. (2023). “Characterization of ecohydrological indicators (EHIs) at multi-spatial scales in india.” National conference on "Land-atmosphere interactions controlling weather & climate: Applications of numerical models and observations (LAI-2023)" 09-12 January 2023.
Bejagam, V., and Sharma, A. (2023). “Impact of Climatic Changes and Anthropogenic Activities on Ecosystem's NPP in India.” PRAVAAHA- 2023, 22 March 2023.
Sahoo, T., Bejagam, V., and Sharma, A. (2023). "Assessment of Compound Extremes in India using Statistical Methods." PRAVAAHA- 2023, 22 March 2023.
Bejagam, V., and Sharma, A. (2023). Characterization of ecohydrological indicators (EHIs) in India: a multi-scale perspective. EGU23. https://doi.org/10.5194/EGUSPHERE-EGU23-340.
Singh, A., Bejagam, V., and Sharma, A. (2023). Examining the role of groundwater in the spatiotemporal variation of Ecosystem Water Use Efficiency in India. EGU23. https://doi.org/10.5194/EGUSPHERE-EGU23-1618.
Sahoo, T., Bejagam, V., and Sharma, A. (2023). Assessment of compound extremes using statistical methods in India. EGU23. https://doi.org/10.5194/EGUSPHERE-EGU23-2305.
Bejagam, V., and Sharma, A. (2023). Characteristics and Drivers of ecohydrological Indicators in the Indian Western Himalayas. Himalayan Freshwaters- REFRESH, 06 JUNE 2023.
Singh, A., Bejagam, V., and Sharma, A. (2023). Examining the role of groundwater in the spatio-temporal variation of ecosystem water use efficiency in India. Himalayan Freshwaters- REFRESH, 06 JUNE 2023.
Bejagam, V., Sharma, A., and Wei, A. (2024). Projected Decline in the Responses of Tropical Vegetation to CO2 Fertilization Effect in India. AGU fall meeting 2023, 11-15 December 2023.
Bejagam, V., and Sharma, A.(2024). How CMIP6 Earth System Models project the terrestrial ecosystem productivity in India? Roorkee Water Conclave 2024, 03-06 March 2024.
Bejagam, V., Sharma, A., and Wei, A. (2024). Projected decline of CO2 fertilization effects on vegetation carbon sequestration in India. EGU24. https://meetingorganizer.copernicus.org/EGU24/EGU24-4893.html
Bejagam, V., Sharma, A., and Wei, X. (2024). “Assessing Net Primary Productivity (NPP) Responses to Droughts in India: Insights into Resistance, Recovery, and Resilience.” AGU Annual meeting 2024, 9-13 December 2024.
Bejagam, V., and Sharma, A., (2025). “Enhanced impact of droughts on ecosystem functioning despite unchanged resilience under climate change.” EGU25. https://meetingorganizer.copernicus.org/EGU25/EGU25-14696.html
Workshop/Training Attended:
NICES 2022 workshop held at Antariksh Bhavan, New Delhi from July 18-19, 2022.
"Introduction to Google Earth Engine (GEE) and its applications" organized by the Department of Hydrology, IIT Roorkee (under Co-PREPARE project) on July 20, 2022.
"Theories of CO2 and H2O flux measurements and operations for open- and closed-path eddy-covariance flux systems" held at Tropical Peat Research Institute (TROPI), Kuching, Sarawak, Malaysia from 20-21 September 2022.
2nd Natural Hazard Symposium for Indian Himalayas (NSIH 2022) themed "Global Change and Impacts in Mountains" held at Department of Hydrology, IIT Roorkee from 12-13 October 2022.
"STAtistical Analysis and Modelling of Climate Extremes (STACE)" under Karyashala - SERB Accelerate Vigyan held at Department of Hydrology, IIT Indore from 12-17 December 2022.
"Eddy-Covariance Flux Theory and Instrumentation Training Courses" by Campbell Scientific India Pvt.Ltd at Dehradun from 9-10 February 2023.
Volunteering:
Worked as a Placement Coordinator at NIT Warangal.
Worked as a volunteer for Workshop on “Geospatial Technologies for Decision makers”, held at the Department of Civil Engineering, NIT Warangal.
Worked as a Volunteer for Initiation Workshop on “Integrated Water Management model for BIS Countries under Climate Change Scenarios”, held at the Department of Civil Engineering, NIT Warangal.
EcoHydrology Symposium themed "Relevance of ecohydrology concept in solving the current environmental issues, held at the Department of Hydrology, IIT Roorkee from 28 February - 1 March 2022.
Roorkee Water Conclave 2022, held at IIT Roorkee from 2-4 March 2022.
Emerging Space Technology Applications for Compound Extremes (STAC-X) 2022, held at the Department of Hydrology, IIT Roorkee from 9-20 May 2022.
International Ground Water Conference (IGWC) 2022, held at Department of Hydrology, IIT Roorkee from 02-04 November 2022.
Himalayan Freshwaters- Assessing the services and vulnerability of Freshwater ecosystems in the Himalayas (REFRESH), held at Department of Hydrology, IIT Roorkee on 06 June 2023.
Roorkee Water Conclave 2024, held at IIT Roorkee from 4-6 March 2024.