Drought Monitoring and Evapotranspiration (ET): (l) Landsat satellite data provides estimates of vegetation and land surface parameters used to assess drought conditions; (r) Model estimates of global water vapor flux or ET displayed on Google Earth.
Soil Moisture Estimation: (l) Surface energy balance showing the flux of water and heat in the environment; (c) Collection of field and remotely sensed data on the hydrologic cycle; (r) SMOS satellite provides data on global soil moisture conditions.
Soil and Water Quality Investigations: (l) Spectral measurement of crop residue cover; (c) Landsat image showing locations of experimental field sites; (r) Spectral measurement to determine fertilizer requirements of crops.
Watershed Modeling: (l) Water quality sampling to assess agricultural conservation practices; (c) GIS data layer of land use categories within the Choptank River Watershed Project; (r) Landsat image showing the location of the experimental watershed.
Surface Energy Balance: (l and r) Field instrumentation for the measurement of local meteorological conditions as well as heat and water vapor fluxes; (c) dry river bed illustrating the severe ecological and economic consequences of prolonged drought.
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