Analysis of vadose zone tritium transport from an underground storage tank release using numerical modeling and geostatistics

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Numerical and geostatistical analyses show that the artificial smoothing effect of kriging removes high permeability flow paths from hydrogeologic data sets, reducing simulated contaminant transport rates in heterogeneous vadose zone systems. therefore, kriging alone is not recommended for estimating the spatial distribution of soil hydraulic properties for contaminant transport analysis at vadose zone sites. Vadose zone transport if modeled more effectively by combining kriging with stochastic simulation to better represent the high degree of spatial variability usually found in the hydraulic properties of field soils. However, kriging is a viable technique for estimating the initial mass distribution of contaminants in ... continued below

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223 p.; Other: FDE: PDF; PL:

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Lee, K.H. September 1, 1997.

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Description

Numerical and geostatistical analyses show that the artificial smoothing effect of kriging removes high permeability flow paths from hydrogeologic data sets, reducing simulated contaminant transport rates in heterogeneous vadose zone systems. therefore, kriging alone is not recommended for estimating the spatial distribution of soil hydraulic properties for contaminant transport analysis at vadose zone sites. Vadose zone transport if modeled more effectively by combining kriging with stochastic simulation to better represent the high degree of spatial variability usually found in the hydraulic properties of field soils. However, kriging is a viable technique for estimating the initial mass distribution of contaminants in the subsurface.

Physical Description

223 p.; Other: FDE: PDF; PL:

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INIS; OSTI as DE98054672

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  • Other Information: DN: Thesis, P.h.D.

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  • Other: DE98054672
  • Report No.: UCRL-LR--128840
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/647114 | External Link
  • Office of Scientific & Technical Information Report Number: 647114
  • Archival Resource Key: ark:/67531/metadc707603

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  • September 1, 1997

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 18, 2016, 11:40 a.m.

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Lee, K.H. Analysis of vadose zone tritium transport from an underground storage tank release using numerical modeling and geostatistics, report, September 1, 1997; California. (digital.library.unt.edu/ark:/67531/metadc707603/: accessed July 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.