Shallow infiltration processes in arid watersheds at Yucca Mountain, Nevada

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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 water-content change at a specific site is a function of surface storage capacity, the timing and magnitude of precipitation, evapotranspiration, and the degree of saturation of surficial ... continued below

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6 p.

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Flint, L.E. & Flint, A.L. Hevesi, J.A. December 31, 1994.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 13 times . More information about this article can be viewed below.

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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 water-content change at a specific site is a function of surface storage capacity, the timing and magnitude of precipitation, evapotranspiration, and the degree of saturation of surficial materials overlying fractured bedrock. Measured water-content profiles for the four zones indicated that the potential for net infiltration is higher when evapotranspiration is low (i.e winter, cloudy periods), where surface concentration of water is likely to occur (i.e. depressions, channels), where surface storage capacity is low, and where fractured bedrock is close to the surface.

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6 p.

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INIS; OSTI as DE96001457

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  • International high-level radioactive waste management conference, Las Vegas, NV (United States), 22-26 May 1994

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  • Other: DE96001457
  • Report No.: CONF-940553--91
  • Grant Number: AI08-92NV10874
  • Office of Scientific & Technical Information Report Number: 113827
  • Archival Resource Key: ark:/67531/metadc621397

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  • December 31, 1994

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  • June 16, 2015, 7:43 a.m.

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  • April 18, 2016, 7:11 p.m.

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Flint, L.E. & Flint, A.L. Hevesi, J.A. Shallow infiltration processes in arid watersheds at Yucca Mountain, Nevada, article, December 31, 1994; Denver, Colorado. (digital.library.unt.edu/ark:/67531/metadc621397/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.