Picture of Arsh Grewal

Arsh Grewal PhD

Assistant Professor

Faculty Member in Geography & Planning

Office
Kirk Hall 113

Research Area(s)

  • Catchment Science
  • Cold Regions Hydrology
  • Stable Water Isotopes
  • Runoff Processes
  • Stream Chemistry

Publications

Nicholls, E. M., A. Grewal, and S. K. Carey. 2025. “ Seasonal Sources of Plant Water Uptake and Soil Evaporation Dynamics Across a Boreal Forest-Shrub Taiga Gradient.” Hydrological Processes 39, no. 12: e70317. https://doi.org/10.1002/hyp.70317.

Grewal, A. S., Harman, C. J., & Carey, S. K. (2025). Water storage and release in permafrost catchments: Insights from hydrometrics, end-member mixing, and water age characterization. Water Resources Research, 61, e2024WR038957. https://doi.org/10.1029/2024WR038957

Grewal, A., Nicholls, E. M., and Carey, S. K.: The role of catchment characteristics, discharge, and active- layer thaw in seasonal stream chemistry across 10 permafrost catchments, Hydrol. Earth Syst. Sci., 29, 2467–2483, https://doi.org/10.5194/hess-29-2467-2025, 2025.

Grewal, A., & Carey, S. K. (2024). Synoptic sampling reveals spatial stability in flow and chemistry patterns despite large seasonal variability in a subarctic mountain catchment. Hydrological Processes, 38(2), e15080. https://doi.org/10.1002/hyp.15080

Grewal A, Melles S, Oswald C. Drivers of excess phosphorus and stream sediments in a nested agricultural catchment during base and stormflow conditions. J. Environ. Qual. 2020; 49: 945–960. https://doi.org/10.1002/jeq2.20105