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The Surface Processes group seeks to understand
the physical and chemical development of Earth's surface and near-surface,
and coupling between geologic, hydrologic, erosional, land-use,
and atmospheric processes. Active projects include coupling
between erosion, tectonic rock uplift, and chemical weathering (Chamberlain
and Hilley), relating chemical weathering and erosional processes
to nutrient supply to forest ecosystems (Hilley and Chamberlain,
joint with Vitousek in the Department of Biology), quantifying the
kinematics of slow-moving landslides using Synthetic Aperture Radar
Interferometry (InSAR; Hilley), determining the relationships between
long-term climate change and the surface uplift of mountain belts
(Chamberlain), developing methodologies to perform repeated regional
inventories of land-cover and land-cover with high to moderate satellite
imagery (Seto), understanding the interaction between human action
and land-use, and the consequences of land-use changes on environmental
goods and services and management of natural resources (Seto), coupling
between tectonic deformation, erosional processes, and climate (Hilley),
and integrating geologic, geomorphic, and geodetic data to understand
the deformation of Earth's surface (Hilley). A variety of tools
are used to address these problems, including remote sensing methods,
spatial analysis, analytical and numerical simulation, stable isotope
analyses, and cosmogenic radionuclide analyses. |
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