Stanford University
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Quantifying Watershed Behavior using Geophysical Methods

When:
Thursday, May 30, 2019 12:00 PM
Where:
Mitchell 350/372
Audience:
Faculty/Staff, Students, Alumni/Friends, Members
Sponsor:
Geophysics Department

Department Seminar

Speaker: Susan Hubbard; Associate Director Berkeley Lab

Quantifying Watershed Behavior using Geophysical Methods

Quantifying how terrestrial systems respond to climate change and other perturbations is challenging due to the complexity of associated processes that occur from bedrock-to-canopy and over a wide range of spatial and temporal scales. This presentation describe the development of several new approaches to help bridge these compartments and scales through integrating disparate geophysical, hydrological, geochemical and microbial datasets. We first explore the use of new characterization approaches in an Arctic tundra ecosystem, where increasing temperatures are thawing the permafrost, potentially leading to significantly increased production of greenhouse gasses. We then discuss the use of new methods to quantify the structure and function of a mountainous watershed in the Upper Colorado River Basin, where droughts and early snowmelt may influence downgradient water availability and water quality. The recent advances are leading to insights about how these systems function and respond to perturbations - from local scales where native processes occur toward watershed scales that are relevant for managing natural resources.

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