Publications

2024

60.  Wu, Z., and A. Singh (2024), Modeling riverbed elevation and bedload tracer transport resting times using fractional Laplace motion, J. Geophys. Res., 129, e2024JF007771. https://doi.org/10.1029/2024JF007771.

2023

59. Anand, S. K., M. Bertagni, A. Singh, and A. Porporato (2023), Eikonal equation reproduces natural landscapes with threshold hillslopes,  Geophys. Res. Lett., 50, e2023GL105710. https://doi.org/10.1029/2023GL105710.

58.  Lee, J., A. Singh, and M. Guala (2023), On the scaling and growth limit of fluvial dunes, J. Geophys. Res., 128, e2022JF006955. https://doi.org/10.1029/2022JF006955.

57. Singh, A., Z. Wu, P. Wilcock, and E. Foufoula-Georgiou (2023), Experimental observations of bedload tracer movement: Effects of mixed particle sizes and bedforms, Water Res. Res., 59, e2022WR033114. https://doi.org/10.1029/2022WR033114.

2022

56.  Lee, J., A. Singh, and M. Guala (2022), Reconstructing sediment transport by migrating bedforms in the physical and spectral domains, Water Res. Res., 58, e2022WR031934. https://doi.org/10.1029/2022WR031934.

55. Cazanacli, D., C. Paola, and A. Singh (2022), Sediment load and grain size controls on channel migration patterns in experimental deltas, J. Geophys. Res., 127, e2021JF006402. https://doi.org/10.1029/2021JF006402.

54. Roy, J., A. Tejedor, and A. Singh (2022), Dynamic clusters to infer environmental transport of river networks, Geophys. Res. Lett., 49, e2021GL096957. https://doi.org/10.1029/2021GL096957. 

53. Kollegor M., J. Lorenzo-Trueba, A. Fernandes, A. Singh, and A. Abeyta (2022), Upstream propagation of sea-level signals in fluvio deltaic environment: time-lags and the dynamics of fluvial surface, Geophys. Res. Lett., 49, e2022GL097956. https://doi.org/10.1029/2022GL097956.

2021

52. Wu, Z., A. Singh, E. Foufoula-Georgiou, M. Guala, X. Fu, and G. Wang (2021), A velocity-variation based formulation for bedload particle hops in rivers, J. Fluid Mech., 912, A33. doi:10.1017/jfm.2020.1126. 

51.  Keylock, C., A. Singh, P. Passalacqua, and E. Foufoula-Georgiou (2021) , Evaluating landscape complexity and the contribution of non‐locality to geomorphometry, J. Geophys. Res., 126, e2020JF005765. https://doi.org/10.1029/2020JF005765. 

50.Tahsin, S., S. Medeiros, and A. Singh (2021), Consistent Long-Term Monthly Coastal Wetland Vegetation Monitoring Using a Virtual Satellite Constellation, Remote Sens.,13, https://doi.org/10.3390/rs13030438. 

2020

49. Ranjbar S., and A. Singh (2020), Entropy and Intermittency of River Bed Elevation Fluctuations, J. Geophys. Res., 125, e2019JF005499, https://doi.org/10.1029/2019JF005499.

48. Ranjbar S., A. Singh, and D. Wang (2020), Controls of the Topological Connectivity on the Structural and Functional Complexity of River Networks, Geophys. Res. Lett., https://doi.org/10.1029/2020GL087737. 

47. Ghotbi, S., D. Wang, A. Singh, T. Mayo, and M. Sivapalan (2020), Climate and Landscape Controls of Regional Patterns of Flow Duration Curves Across Continental United States: Statistical Approach, Water Resour. Res., https://doi.org/10.1029/2020WR028041. 

46. Hooshyar, M., S. Bonnetti, A. Singh, E. Foufoula-Georgiou, and A. Porporato (2020), From Turbulence to Landscapes: Logarithmic Mean Profiles in Bounded Complex Systems, Phys. Rev. E., 102, 033107. 

45. Guala, M., M. Heisel, A. Singh, M. Musa, D. Buscombe and P. Grams (2020), A mixed length scale model for migrating fluvial bedforms, Geophys. Res. Lett., 46, http://dx.doi.org/10.1029/2019GL086625. 

44. Keylock, C., A. Singh, P. Passalacqua, and E. Foufoula-Georgiou (2020), Hölder-conditioned hypsometry: A refinement to a classical approach for the characterization of topography, Water Resour. Res., 56, e2019WR025412, https://doi.org/10.1029/2019WR025412.

43. Ghotbi, S., D. Wang, A. Singh, G. Bloeschl, and M. Sivapalan (2020), A New Framework for Exploring Process Controls of Flow Duration Curves, Water Resour. Res., 56, e2019WR026083. https://doi.org/10.1029/2019WR026083. 

42. Sandhu, D., A. Singh, and D. Wang (2020), Can we Infer the Age of Karst Conduit from the Observed Profile of Potentiometric Surface?, J. Hydrol., 584, 124679. 

41. Tahsin, S., S. Medeiros, and A. Singh (2020), Wetland dynamics inferred from the interaction of hydro-meteorological signals and Landsat derived vegetation indices, Remote Sens.,12, doi:10.3390/rs12010012. 

2019

40. Wu, Zi, A. Singh, X. Fu, and G. Wang (2019), Transient anomalous diffusion and advective slowdown of bedload tracers by particle burial and exhumation, Water Resour. Res., https://doi.org/10.1029/2019WR025527.

39. Sarker, S., A. Veremyev, V. Boginski and A. Singh (2019), Critical nodes in river networks, Nat. Sci. Rep., 9, 11178.

38. Hooshyar, M., A. Singh, D. Wang and E. Foufoula-Georgiou (2019), Climatic controls on landscape dissection and network structure in the absence of vegetation competition control drainage network density, Geophys. Res. Lett. 46, 3216–3224, https://doi.org/10.1029/2019GL082043.

37. Hooshyar, M., A. Singh, and D. Wang (2019), Inter and Intra basin competition control drainage network density, Geophys. Res. Lett., 46, 661-669, http://dx.doi.org/10.1029/2018GL081020. 

36. Wu, Zi, E. Foufoula-Georgiou, G. Parker, A. Singh, X. Fu, and G. Wang (2019), Analytical solution for anomalous diffusion of bedload tracers gradually getting buried in transport, J. Geophys. Res., https://doi.org/10.1029/2018JF004654.

2018

35. Ranjbar, S., M. Hooshyar, A. Singh, and D. Wang (2018), Quantifying climatic controls on river network branching structure across scales, Water Resour. Res., 54, https://doi.org/10.1029/2018WR022853.

34. Yao, L., D. Wang, M. Hooshyar, A. Singh, and M. Sivapalan (2018), Time Compression Approximation Relationship for Infiltration in the Presence of a Shallow Water Table: Evaluating the Role of Péclet Number, Water Resour. Res., https://doi.org/10.1029/2018WR023293.

33. Hansen, A. and A. Singh (2018), High frequency sensor data reveal across-scale nitrate dynamics in response to hydrology and biogeochemistry in intensively managed agricultural basins, J. Geophys. Res., 123 (7), 2168-2182.

32. Wu, Z. and A. Singh (2018), On the effect of solute release position on plume dispersion, J. Hydrol., 566, 607-615, https://doi.org/10.1016/j.jhydrol.2018.08.046. 

31. Sandhu, D., A. Singh, S. J. Duranceau, B. H. Nam, T. Mayo, and  D. Wang (2018), Fate and transport of radionuclide-contaminated water into the Floridan aquifer due to a sinkhole collapse with implications to drinking water supplies, Nat. Sci Rep., 8, 11439. 

30. Tahsin, S., S. Medeiros, and A. Singh (2018), Assessing the Resilience of Coastal Wetlands to Extreme Hydrologic Events Using Vegetation Indices: A Review, Remote Sens., 10, 1390.

2017

29. Abed-Elmdoust, A., A Singh, and Z. L. Yang (2017), Emergent spectral properties of river network topology: an optimal channel network approach, Nat. Sci. Rep., 7 (1), 11486.

28. Tejedor, A., A. Singh, I. Zaliapin, A.L. Densmore, and E. Foufoula-Georgiou (2017), Scale-dependent erosional patterns in steady and transient state landscapes, Science Advances, 3, Vol. 3, no. 9, e1701683, doi: 10.1126/sciadv.1701683.

27. Hooshyar, M., A. Singh, and D. Wang (2017), Hydrologic controls on junction angle of river networks, Water Resour. Res., 53, doi:10.1002/2016WR020267.

26. Tahsin, S., S. Medeiros, M. Hooshyar, and A. Singh (2017), Optical Cloud Pixel Recovery via Machine learning, Remote Sens., 9(6), 527, doi:10.3390/rs9060527.

2016

25. Abed-Elmdoust, A., M.-A. Miri, and A. Singh (2016), Reorganization of river networks under changing spatiotemporal precipitation patterns: An optimal channel network approach, Water Resour. Res., 52, doi:10.1002/2015WR018391.

24. Sandhu, D., A. Singh, N. Fan, D. Wang, and S. J. Duranceau (2016), Hydro-geomorphic response of Everglades to changing climate and anthropogenic activities, J. Hydrol., http://dx.doi.org/10.1016/j.jhydrol.2016.11.004.

23. Jin, Y., H. Liu, R. Aggarwal, A. Singh, L. Chamorro (2016), Effects of freestream turbulence in a model wind turbine wake, Energies, 9(10), 830; doi:10.3390/en9100830.  

22. Tahsin, S., S. C. Medeiros, and A. Singh (2016), Resilience of coastal wetlands to extreme hydrologic events in Apalachicola Bay, Geophys. Res. Lett., 43, doi:10.1002/2016GL069594.

21. Singh, A., K. B. Howard, and M. Guala (2016), A measure of scale-dependent asymmetry in turbulent boundary layer flows: scaling and Reynolds number similarity, J. Fluid Mech., 797, 549- 563, doi: http://dx.doi.org/10.1017/jfm.2016.294.

20. Fan, N., A. Singh, M. Guala, E. Foufoula-Georgiou, and B. Wu (2016), Exploring a semi-mechanistic Episodic Langevin model for bed load transport: emergence of normal and anomalous advection and diffusion regimes, Water Resour. Res., 52, 2789–2801, doi: 10.1002/2015WR018023.

2015

19. Singh, A., L. Reinhardt, and E. Foufoula-Georgiou (2015), Landscape re-organization under changing climatic forcing: results from an experimental landscape, Water Resour. Res., 51, 4320–4337, doi:10.1002/2015WR017161. 

18. Howard, K.B, A. Singh, M. Guala, and F. Sotiropoulos (2015), On the statistics of wind turbine wake meandering: an experimental investigation, Phys. Fluids, 27, 075103.

2014

17. Keylock, C., A. Singh, E. Foufoula-Georgiou (2014), The complexity of gravel-bed river topography examined with gradual wavelet reconstruction, J. Geophys. Res., 119, doi:10.1002/2013JF002999. 

16. Keylock, C., A. Singh, J. G. Venditti, and E. Foufoula-Georgiou (2014), Robust classification for turbulent flow over bedforms despite a change in reference frame, ESPL, doi:10.1002/esp.3550.

15. Singh, A., K. B. Howard, and M. Guala (2014), On the homogenization of turbulent flow structures in the wake of a model wind turbines, Phys. Fluids, 26, 025103, doi:10.1063/1.4863983.

14. Guala, M., A. Singh, N. B. Bull, and E. Foufoula-Georgiou (2014), Spectral description of migrating bedforms and sediment transport, J. Geophys. Res., 119, doi:10.1002/2013JF002759.

2013

13. Keylock, C., A. Singh, E. Foufoula-Georgiou (2013), The influence of migrating bedforms on the velocity-intermittency structure of turbulent flow over a gravel bed, Geophys. Res. Lett., 40, 1351-1355, doi:10.1002/grl.50337. 

12. Singh, A., J. Czuba, E. Foufoula-Georgiou, J. G. Marr, C. Hill, S. Johnson, C. Ellis, J. Mullin, C. H. Orr, P. R. Wilcock, M. Hondzo, and C. Paola  (2013), StreamLab Collaboratory: Experiments, data sets, and research synthesis, Water Resour. Res., 49, doi:10.1002/wrcr.20142.

11. Singh, A., and E. Foufoula-Georgiou (2013), Effect of migrating bed topography on flow turbulence: implications for modelling sediment transport, in Coherent Flow Structures at Earth's Surface (eds J. G. Venditti, J. L. Best, M. Church and R. J. Hardy), John Wiley & Sons, Ltd, Chichester, UK. doi:10.1002/9781118527221.ch21.

2012

10. Singh, A., E. Foufoula-Georgiou, F. Porte-Agel and P. R. Wilcock (2012), Coupled dynamics of the co-evolution of gravel bed topography, flow turbulence and sediment transport in an experimental channel, J. Geophys. Res., 117, F04016, doi:10.1029/2011JF002323.

9. Singh, A., M. Guala, S. Lanzoni and E. Foufoula-Georgiou (2012), Bedform effect on the reorganization of surface and subsurface grain size distribution in gravel bedded channel, Acta Geophys., Vol. 60-6, 1607-1638. DOI:10.2478/s11600-012-0075-z. 

2011

8. Singh, A., S. Lanzoni, P. R. Wilcock and E. Foufoula-Georgiou (2011), Multi-scale statistical characterization of migrating dunes in sand-bed rivers, Water Resour. Res., 47, W12526, doi:10.1029/2010WR010122.

2010

7. Singh, A., F. Porte-Agel, and E. Foufoula-Georgiou (2010), On the influence of gravel bed dynamics on velocity power spectra, Water Resour. Res., 46, W04509, doi:10.1029/2009WR008190.

6. Fienberg, K., A. Singh, E. Foufoula-Georgiou, D. J. Jerolmack, and J.D.G. Marr (2010), A theoretical framework for interpreting and quantifying the sampling time dependence of gravel bedload transport rates, in Gray, J.R., Laronne, J.B., and Marr, J.D.G., Bedload-surrogate monitoring technologies: U.S. Geological Survey Scientific Investigations Report 2010-5091, p. 266-282.

2007 - 2009

5. Singh, A., K. Fienberg, D. J. Jerolmack, J.D.G. Marr, and E. Foufoula-Georgiou (2009), Experimental evidence for statistical scaling and intermittency in sediment transport rates, J. Geophys. Res., 114, F01025, doi:10.1029/2007JF000963.

4. Singh, A., S. Lanzoni, and E. Foufoula-Georgiou (2009), Nonlinearity and complexity in gravel bed dynamics, Stochastic Environ. Res. Risk Assessm., 23, 967-975, doi:10.1007/s00477-008-0269-8.

3. Ganti, V., A. Singh, P. Passalacqua, and E. Foufoula-Georgiou (2009), Subordinated Brownian motion model for sediment transport, Phys. Rev. E, 80, 011111.

2. Singh, A., M. C. Deo, and V. S. Kumar (2008), Prediction of littoral drift with artificial neural networks, Hydrol. Earth Syst. Sci., 12, 267-275.

1. Singh, A., Deo M. C., Kumar V. S. (2007), Neural network-genetic programming for sediment transport, Proc. of The Institut. of Civil Engineers-Maritime Engg., 160, 3, 113-119.