Groundwater Storage in Western China and Eastern Tibet Observed from Precipitation-Discharge Hysteresis

Alden Gilliom, Oberlin College

Location

Science Center, K209

Document Type

Presentation

Start Date

4-26-2013 2:45 PM

End Date

4-26-2013 3:45 PM

Abstract

This project examines the transitive processes of precipitation to river discharge on the eastern margin of the Tibetan Plateau. This transfer of water produces a dynamic lag—“hysteresis”—between peak precipitation and peak discharge. This lag has important implications for potentially increasing demand for water and decreasing quality of water available. Previous studies of Nepali Himalayas groundwater storage in aquifers was behind the hysteresis. We employed this technique in our study and found that the data exhibited defined hysteresis. The next stage of our analysis may aid the management of current water resources with an eye toward future strain on water resources.

Notes

Session II, Panel 10: On the Down Low: Studies of Groundwater and Gypsum
Moderator: Bruce Simonson, Professor of Geology

Major

Geology

Advisor(s)

Karla Hubbard, Geology

Project Mentor(s)

Amanda Schmidt, Geology

April 2013

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Apr 26th, 2:45 PM Apr 26th, 3:45 PM

Groundwater Storage in Western China and Eastern Tibet Observed from Precipitation-Discharge Hysteresis

Science Center, K209

This project examines the transitive processes of precipitation to river discharge on the eastern margin of the Tibetan Plateau. This transfer of water produces a dynamic lag—“hysteresis”—between peak precipitation and peak discharge. This lag has important implications for potentially increasing demand for water and decreasing quality of water available. Previous studies of Nepali Himalayas groundwater storage in aquifers was behind the hysteresis. We employed this technique in our study and found that the data exhibited defined hysteresis. The next stage of our analysis may aid the management of current water resources with an eye toward future strain on water resources.