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Hire Dr. Mahesh M.
United States
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Computational hydrologist specializing in climate, water, and agroecosystem modeling (Expert in R Python, & MATLAB)
Profile Summary
Subject Matter Expertise
Services
Writing
Technical Writing
Research
Feasibility Study,
Gap Analysis,
Scientific and Technical Research,
Systematic Literature Review
Data & AI
Predictive Modeling,
Statistical Analysis,
Big Data Analytics
Product Development
Formulation,
Quality Assurance & Control (QA/QC),
Concept Development
Work Experience
Research (Agricultural Engineer) Hydrologist
USDA-ARS Southeast Area
April 2024 - Present 
Instructor / Guest Lecturer
Sustainable Water Management Research Unit/National Center for Alluvial Aquifer Research, USDA-ARS
July 2022 - Present
Research Computational Hydrologist/ Postdoctoral Fellow
Sustainable Water Management Research Unit/National Center for Alluvial Aquifer Research, USDA-ARS
June 2022 - Present
University of California, Merced
Instructor / Guest Lecturer
January 2025 - January 2025
Postdoctoral Hydrologic Modeler
USDA-ARS Southeast Area
May 2022 - April 2024
Postdoctoral Scholar
University of California, Merced
December 2019 - December 2021
Postdoctoral scholar
University of California Merced
December 2019 - September 2021
Instructor
California State University, Chico
March 2021 - March 2021
Hydrologist
R. E. B. Engineering Inc., St. Helena, CA
July 2019 - December 2019
Guest Lecturer/Instructor, R-Spatial Workshop in Map Time
University of California, Davis,
June 2018 - July 2019
Postdoctoral Scholar
University of California, Davis, and Merced
January 2018 - July 2019
Postdoctoral Scholar
University of California Davis
January 2018 - July 2019
Ph.D. Candidate in Hydrological Sciences
University of California Davis
September 2012 - January 2018
Graduate Student Researcher
University of California Davis
September 2012 - December 2017
Teaching Assistant
University of California, Davis
September 2012 - December 2017
Graduate Student Researcher
University of California, Davis
January 2017 - September 2017
Junior Engineer
R. E. B. Engineering Inc., St. Helena, CA
November 2006 - September 2012
Graduate Research Assistant
The University of Iowa, Iowa City, IA,
August 2010 - December 2011
Engineering Consultant
Dip Consultancy (P.) Ltd., Kathmandu, Nepal
January 2005 - July 2005
Water Resource Engineer
ERMC (P.) Ltd., Kathmandu, Nepal
May 2004 - November 2004
Postgraduate Participant
UNESCO-IHE, Delft, the Netherlands
October 2002 - February 2004
Civil engineer
Nepal Consult (P) Ltd., Lalitpur, Nepal
November 1997 - July 2002
Education
Ph.D., Hydrologic Sciences
University of California, Davis
September 2012 - December 2017
Ph. D. in Hydrologic Sciences/Study of Hydrological Processes Using a Fractal Geometric Method (Land, Air and Water Resources)
University of California, Davis
September 2012 - December 2017
Master of Science (MS), Civil and Environmental Enginering
The University of Iowa
August 2010 - December 2011
Master of Science/Instance based learning in hydrological modelling (Hydroinformatics,)
UNESCO-IHE
September 2002 - March 2004
M.S., Hydroinformatics
UNESCO-IHE, Delft, the Netherlands
September 2002 - March 2004
B.S., Civil Engineering
Tribhuvan University, Kathmandu, Nepal
August 1993 - August 1997
Certifications
Publications
JOURNAL ARTICLE
Mahesh L. Maskey, Amanda M. Nelson, Daniel N. Moriasi, Brian K. Northup (2025). Uncertainty analysis of hydrological parameters of the APEXgraze model for grazing activities . Ecological Modelling.
Mahdi Erfani, Mahesh L. Maskey, Mustafa S. Dogan, Josue Medellin-Azuara, Erfan Goharian (2024). Hydroeconomic Optimization and Reoperation of Folsom Reservoir for Flood-Managed Aquifer Recharge Implementation . Journal of Water Resources Planning and Management.
Amanda M. Nelson, Mahesh L. Maskey, Brian K. Northup, Daniel N. Moriasi (2024). Calibrating Agro-Hydrological Model under Grazing Activities and Its Challenges and Implications . Hydrology.
Amanda M. Nelson, Mahesh L. Maskey, Brian K. Northup, Daniel N. Moriasi (2024). Calibrating Agro-Hydrological Model under Grazing Activities and Its Challenges and Implications . Hydrology.
Mahesh Maskey, J. Pablo Ortiz-Partida, Angel Santiago Fernandez-Bou, José M. Rodríguez-Flores, Josué Medellín-Azuara, Samuel Sandoval-Solis, Tatiana Ermolieva, Zoe Kanavas, Reetik Kumar Sahu, Yoshihide Wada, et al.(2023). Hydro-Economic Modeling of Water Resources Management Challenges: Current Applications and Future Directions . Water Economics and Policy. 09. (01). World Scientific Pub Co Pte Ltd
Mahesh L. Maskey and Mustafa S. Dogan and Angel Santiago Fernandez-Bou and Liying Li and Alexander Guzman and Wyatt Arnold and Erfan Goharian and Jay R. Lund and Josue Medellin-Azuara(2022). Managing Aquifer Recharge to Overcome Overdraft in the Lower American River, California, USA . Water. 14. (6). p. 966. {MDPI} {AG}
Maskey, M.L., Dogan, M.S., Fernandez-Bou, A.S., Li, L., Guzman, A., Arnold, W., Goharian, E., Lund, J.R., Medellin-Azuara, J.(2022). Managing Aquifer Recharge to Overcome Overdraft in the Lower American River, California, USA . Water (Switzerland). 14. (6).
Maskey, M.L., Facincani Dourado, G., Rallings, A.M., Rheinheimer, D.E., Medellín-Azuara, J., Viers, J.H.(2022). Assessing Hydrological Alteration Caused by Climate Change and Reservoir Operations in the San Joaquin River Basin, California . Frontiers in Environmental Science. 10.
Fernandez-Bou, A.S., Ortiz-Partida, J.P., Classen-Rodriguez, L.M., Pells, C., Dobbin, K.B., Espinoza, V., Rodríguez-Flores, J.M., Thao, C., Hammond Wagner, C.R., Fencl, A., et al.(2021). 3 Challenges, 3 Errors, and 3 Solutions to Integrate Frontline Communities in Climate Change Policy and Research: Lessons From California . Frontiers in Climate. 3.
Pathak, T.B., Maskey, M.L., Rijal, J.P.(2021). Impact of climate change on navel orangeworm, a major pest of tree nuts in California . Science of the Total Environment. 755.
Camilo Souto, Octavio Lagos, Eduardo Holzapfel, Mahesh Lal Maskey, Lynn Wunderlich, Kristen Shapiro, Giulia Marino, Richard Snyder, Daniele Zaccaria (2019). A Modified Surface Energy Balance to Estimate Crop Transpiration and Soil Evaporation in Micro-Irrigated Orchards . Water.
Camilo Souto, Octavio Lagos, Eduardo Holzapfel, Mahesh Lal Maskey, Lynn Wunderlich, Kristen Shapiro, Giulia Marino, Richard Snyder, Daniele Zaccaria (2019). A Modified Surface Energy Balance to Estimate Crop Transpiration and Soil Evaporation in Micro-Irrigated Orchards . Water.
Mahesh L. Maskey, Tapan B Pathak, Surendra K. Dara (2019). Weather Based Strawberry Yield Forecasts at Field Scale Using Statistical and Machine Learning Models . Atmosphere.
Mahesh L. Maskey and Tapan B Pathak and Surendra K. Dara(2019). Weather Based Strawberry Yield Forecasts at Field Scale Using Statistical and Machine Learning Models . Atmosphere. 10. (7). p. 378. {MDPI} {AG}
Giulia Marino and Daniele Zaccaria and Richard L. Snyder and Octavio Lagos and Bruce D. Lampinen and Louise Ferguson and Stephen R. Grattan and Cayle Little and Kristen Shapiro and Mahesh Lal Maskey and Dennis L. Corwin and Elia Scudiero and Blake L. Sanden(2019). Actual Evapotranspiration and Tree Performance of Mature Micro-Irrigated Pistachio Orchards Grown on Saline-Sodic Soils in the San Joaquin Valley of California . Agriculture. 9. (4). p. 76. {MDPI} {AG}
Giulia Marino, Daniele Zaccaria, Richard L. Snyder, Octavio Lagos, Bruce D. Lampinen, Louise Ferguson, Stephen R. Grattan, Cayle Little, Kristen Shapiro, Mahesh Lal Maskey, et al. (2019). Actual Evapotranspiration and Tree Performance of Mature Micro-Irrigated Pistachio Orchards Grown on Saline-Sodic Soils in the San Joaquin Valley of California . Agriculture.
Giulia Marino, Daniele Zaccaria, Richard L. Snyder, Octavio Lagos, Bruce D. Lampinen, Louise Ferguson, Stephen R. Grattan, Cayle Little, Kristen Shapiro, Mahesh Lal Maskey, et al. (2019). Actual Evapotranspiration and Tree Performance of Mature Micro-Irrigated Pistachio Orchards Grown on Saline-Sodic Soils in the San Joaquin Valley of California . Agriculture.
Maskey, M.L., Puente, C.E., Sivakumar, B.(2019). Temporal downscaling rainfall and streamflow records through a deterministic fractal geometric approach . Journal of Hydrology. 568. p. 447-461.
Marino, G., Zaccaria, D., Snyder, R.L., Lagos, O., Lampinen, B.D., Ferguson, L., Grattan, S.R., Little, C., Shapiro, K., Maskey, M.L., et al.(2019). Actual evapotranspiration and tree performance of mature micro-irrigated pistachio orchards grown on saline-sodic soils in the san joaquin valley of California . Agriculture (Switzerland). 9. (4).
Maskey, M.L., Pathak, T.B., Dara, S.K.(2019). Weather based strawberry yield forecasts at field scale using statistical and machine learning models . Atmosphere. 10. (7).
Souto, C., Lagos, O., Holzapfel, E., Maskey, M.L., Wunderlich, L., Shapiro, K., Marino, G., Snyder, R., Zaccaria, D.(2019). A modified surface energy balance to estimate crop transpiration and soil evaporation in micro-irrigated orchards . Water (Switzerland). 11. (9).
Tapan Pathak and Mahesh Maskey and Jeffery Dahlberg and Faith Kearns and Khaled Bali and Daniele Zaccaria(2018). Climate Change Trends and Impacts on California Agriculture: A Detailed Review . Agronomy. 8. (3). p. 25. {MDPI} {AG}
Mahesh Maskey, Tapan Pathak, Jeffery Dahlberg, Faith Kearns, Khaled Bali, Daniele Zaccaria (2018). Climate Change Trends and Impacts on California Agriculture: A Detailed Review . Agronomy.
Tapan B. Pathak, Mahesh L. Maskey, Jeffery A. Dahlberg, Faith Kearns, Khaled M. Bali, Daniele Zaccaria (2018). Climate Change Trends and Impacts on California Agriculture: A Detailed Review . Agronomy.
Pathak, T.B., Maskey, M.L., Dahlberg, J.A., Kearns, F., Bali, K.M., Zaccaria, D.(2018). Climate change trends and impacts on California Agriculture: A detailed review . Agronomy. 8. (3).
Maskey, M.L., Puente, C.E., Sivakumar, B.(2017). Deterministic simulation of highly intermittent hydrologic time series . Stochastic Environmental Research and Risk Assessment. 31. (10). p. 2719-2732.
Maskey, M.L., Puente, C.E., Sivakumar, B., Cortis, A.(2017). Deterministic simulation of mildly intermittent hydrologic records. Journal of Hydrologic Engineering. 22. (8).
Maskey, M.L., Puente, C.E., Sivakumar, B.(2016). A comparison of fractal-multifractal techniques for encoding streamflow records . Journal of Hydrology. 542. p. 564-580.
Maskey, M.L., Puente, C.E., Sivakumar, B., Cortis, A.(2016). Encoding daily rainfall records via adaptations of the fractal multifractal method . Stochastic Environmental Research and Risk Assessment. 30. (7). p. 1917-1931.
Cortis, A., Puente, C.E., Huang, H.-H., Maskey, M.L., Sivakumar, B., Obregón, N.(2014). A physical interpretation of the deterministic fractal-multifractal method as a realization of a generalized multiplicative cascade . Stochastic Environmental Research and Risk Assessment. 28. (6). p. 1421-1429.
Solomatine, D.P., Maskey, M., Shrestha, D.L.(2008). Instance-based learning compared to other data-driven methods in hydrological forecasting . Hydrological Processes. 22. (2). p. 275-287.
PREPRINT
Mahesh Lal Maskey, David Joseph Serrano Suarez, Joshua H. Viers, Josue Medellin-Azuara, Bellie Sivakumar, Laura Elisa Garza Diaz (2021). Fractal-multifractal ensembles of downscaled precipitation and temperature sets as implied by climate models .
Mahesh Lal Maskey, Liying Li, Angel S. Fernandez-Bou, Joshua H. Viers, Josue Medellin-Azuara (2021). Integrated Spatial and Economic Analysis on Water Infrastructure Expansion Profitability and Affecting Climatic Factors within the Central Valley of California .
BOOK
Marino, G., Lima, P., Maskey, M.L., Rojo, F., Snyder, R.L., Shapiro, K., Suvocarev, K., Sanden, B., Zaccaria, D.(2021). Maximum daily trunk shrinkage sensitivity to water use of pistachio under saline conditions . Acta Horticulturae. 1314. p. 47-52.
OTHER
Peñaranda, V.M., Serrano, D.J.A., Maskey, M.L.(2021). The dynamic scaling structure of the intensity-area-duration-frequency relationship . arXiv.
DISSERTATION THESIS
Maskey, M. "Instance based learning in hydrological modelling." (2004).
BOOK CHAPTER
Puente, C. E., M. L. Maskey., and B. Sivakumar. 2017. Combining fractals and multifractals to
model geoscience records. In: B. Ghanbarian, A. Hunt (eds) Fractals: concepts and applications
in geoscience, CRC Press.
Sivakumar, B., Puente, C. E., & Maskey, M. L. (2018). Complex networks and hydrologic applications. In Advances in nonlinear geosciences (pp. 565-586). Springer, Cham.
Puente, C. E., Maskey, M. L., & Sivakumar, B. (2018). Studying the complexity of rainfall within California via a fractal geometric method. In Advances in Nonlinear Geosciences (pp. 519-542). Springer, Cham.
CONFERENCE PAPER
Solomatine, D.P., Maskey, M., Shrestha, D.L.(2006). Eager and lazy learning methods in the context of hydrologic forecasting . IEEE International Conference on Neural Networks - Conference Proceedings. p. 4847-4853.
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