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Heiland Lecture: Dr. Susan Hubbard
April 18 @ 4:00 pm - 5:00 pm
“New Approaches For Characterizing Watershed Structure and Function”
Dr. Susan Hubbard, Lawrence Berkeley National Laboratory, Berkeley, CA
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 will describe the development of several new approaches to help bridge these compartments and scales. The new approaches integrate disparate geophysical, hydrological, geochemical and microbial datasets, many collected autonomously. 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 gases. 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).
4:00 p.m. at Coolbaugh Hall 209
Host: Professor John Bradford