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open access

Comparison of ground-derived and satellite-derived surface energy fluxes from a shrub-steppe site

Description: Efforts to measure evapotranspiration (ET) remotely are common in agriculture, and the application of such data to irrigation scheduling is readily apparent. Extending this methodology to arid environments is primarily of use as a mechanism for validation of ET algorithms used in large-scale watershed and global climate change modeling efforts. To facilitate testing of the remote sensing method for ET, measurements of sensible and latent heat flux were made at four sites located on the US Depar… more
Date: March 1, 1994
Creator: Kirkham, R. R.; Gee, G. W. & Fritschen, L. J.
Partner: UNT Libraries Government Documents Department
open access

Shallow infiltration processes in arid watersheds at Yucca Mountain, Nevada

Description: A conceptual model of shallow infiltration processes at Yucca Mountain, Nevada, was developed for use in hydrologic flow models to characterize net infiltration (the penetration of the wetting front below the zone influenced by evapotranspiration). The model categorizes the surface of the site into four infiltration zones. These zones were identified as ridgetops, sideslopes, terraces, and active channels on the basis of water-content changes with depth and time. The maximum depth of measured w… more
Date: December 31, 1994
Creator: Flint, L.E. & Flint, A. L.
Partner: UNT Libraries Government Documents Department
open access

Verification of a 1-dimensional model for predicting shallow infiltration at Yucca Mountain

Description: A characterization of net infiltration rates is needed for site-scale evaluation of groundwater flow at Yucca Mountain, Nevada. Shallow infiltration caused by precipitation may be a potential source of net infiltration. A 1-dimensional finite difference model of shallow infiltration with a moisture-dependant evapotranspiration function and a hypothetical root-zone was calibrated and verified using measured water content profiles, measured precipitation, and estimated potential evapotranspiratio… more
Date: December 31, 1994
Creator: Hevesi, Joseph A.; Flint, Alan L. & Flint, Lorraine E.
Partner: UNT Libraries Government Documents Department
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