2020 DARCY LECTURE
REED MAXWELL, PH.D
SEPTEMBER 11, 2020 – 2PM ONLINE
“HYDROLOGY FROM THE BOTTOM UP: HOW GROUNDWATER SHAPES THE WATER CYCLE”
Online – https://attendee.gotowebinar.com/register/5908343788778287628.
Groundwater is one of Earth’s largest freshwater stores, yet it is often out of sight and out of mind. While groundwater is often conceptualized as a separate store from surface water, feedbacks between groundwater depth, soil moisture, streamflow, and plant water usage become increasingly important for characterizing the water and energy drivers of watershed fluxes. Thus, the literature shows that groundwater is intimately linked not only to surface water, but also the land surface, and the lower atmosphere. This lecture will explore the linkages between groundwater and the rest of the hydrologic cycle. It will discuss some fundamental relationships that describe groundwater’s interconnections with land surface fluxes and how recent advances in our understanding these feedbacks can help us more holistically manage our watersheds. The growing body of evidence demonstrating the critical role of groundwater-surface water interactions has driven a new wave in groundwater hydrology. As we increasingly understand groundwater connections and learn how critical groundwater interactions are water-resource challenges, groundwater becomes a central part of integrated analyses that previously have been considered across disciplinary boundaries.
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