Extension of the "Pore Tree" Model to Describe Transport in Soil
The “pore tree” model of pore structure was originally developed for catalyst and sorbent grains to allow coupled reactions and diffusion into and out of nonpermeable porous media in the absence of convection through the media. The pore tree model is extended herein to describe the permeable pore st...
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| Veröffentlicht in: | Ground Water 1996-07, Vol.34 (4), p.683-690 |
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| description | The “pore tree” model of pore structure was originally developed for catalyst and sorbent grains to allow coupled reactions and diffusion into and out of nonpermeable porous media in the absence of convection through the media. The pore tree model is extended herein to describe the permeable pore structure which characterizes the subsurface transport of gas and water in soil, the dispersion of contaminants, and in situ remediation. The interconnectivity of the pore structure is obtained via a statistical determination of the “branches” that are common to several trees to allow convection and diffusion through the large scale (permeable) structure in addition to diffusion and reactions in the smaller scale (nonpermeable) structure. The extended pore tree model has successfully explained measurement errors in the permeability of soil due to the measurement scale size and has successfully predicted the bulk gaseous diffusivity in partially saturated soil as a function of a saturation scale size. The extended pore tree model provides an analytic description of the pore structure of soil upon which bulk transport, small scale diffusion, and coupled chemical reactions may be added to accurately describe contaminant transport and in situ remediation. |
| doi_str_mv | 10.1111/j.1745-6584.1996.tb02056.x |
| format | Article |
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The pore tree model is extended herein to describe the permeable pore structure which characterizes the subsurface transport of gas and water in soil, the dispersion of contaminants, and in situ remediation. The interconnectivity of the pore structure is obtained via a statistical determination of the “branches” that are common to several trees to allow convection and diffusion through the large scale (permeable) structure in addition to diffusion and reactions in the smaller scale (nonpermeable) structure. The extended pore tree model has successfully explained measurement errors in the permeability of soil due to the measurement scale size and has successfully predicted the bulk gaseous diffusivity in partially saturated soil as a function of a saturation scale size. The extended pore tree model provides an analytic description of the pore structure of soil upon which bulk transport, small scale diffusion, and coupled chemical reactions may be added to accurately describe contaminant transport and in situ remediation.</description><identifier>ISSN: 0017-467X</identifier><identifier>EISSN: 1745-6584</identifier><identifier>DOI: 10.1111/j.1745-6584.1996.tb02056.x</identifier><identifier>CODEN: GRWAAP</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Analysis ; Contamination ; Diffusion ; ENVIRONMENTAL SCIENCES ; ENVIRONMENTAL TRANSPORT ; FORECASTING ; Groundwater ; Hydrology ; MATHEMATICAL MODELS ; Methods ; PERMEABILITY ; POLLUTANTS ; Porous materials ; REMEDIAL ACTION ; Soil disinfection ; Soil permeability ; SOILS</subject><ispartof>Ground Water, 1996-07, Vol.34 (4), p.683-690</ispartof><rights>COPYRIGHT 1996 National Ground Water Association</rights><rights>Copyright Ground Water Publishing Company Jul/Aug 1996</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a6003-5b01d851d003a5280e35694c12feb3e8aa2cfd41d2e16c19544b5b42b06eb7de3</citedby><cites>FETCH-LOGICAL-a6003-5b01d851d003a5280e35694c12feb3e8aa2cfd41d2e16c19544b5b42b06eb7de3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1745-6584.1996.tb02056.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1745-6584.1996.tb02056.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,885,1417,27923,27924,45573,45574</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/260483$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Simons, Girard A.</creatorcontrib><title>Extension of the "Pore Tree" Model to Describe Transport in Soil</title><title>Ground Water</title><description>The “pore tree” model of pore structure was originally developed for catalyst and sorbent grains to allow coupled reactions and diffusion into and out of nonpermeable porous media in the absence of convection through the media. The pore tree model is extended herein to describe the permeable pore structure which characterizes the subsurface transport of gas and water in soil, the dispersion of contaminants, and in situ remediation. The interconnectivity of the pore structure is obtained via a statistical determination of the “branches” that are common to several trees to allow convection and diffusion through the large scale (permeable) structure in addition to diffusion and reactions in the smaller scale (nonpermeable) structure. The extended pore tree model has successfully explained measurement errors in the permeability of soil due to the measurement scale size and has successfully predicted the bulk gaseous diffusivity in partially saturated soil as a function of a saturation scale size. The extended pore tree model provides an analytic description of the pore structure of soil upon which bulk transport, small scale diffusion, and coupled chemical reactions may be added to accurately describe contaminant transport and in situ remediation.</description><subject>Analysis</subject><subject>Contamination</subject><subject>Diffusion</subject><subject>ENVIRONMENTAL SCIENCES</subject><subject>ENVIRONMENTAL TRANSPORT</subject><subject>FORECASTING</subject><subject>Groundwater</subject><subject>Hydrology</subject><subject>MATHEMATICAL MODELS</subject><subject>Methods</subject><subject>PERMEABILITY</subject><subject>POLLUTANTS</subject><subject>Porous materials</subject><subject>REMEDIAL ACTION</subject><subject>Soil disinfection</subject><subject>Soil 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the "Pore Tree" Model to Describe Transport in Soil</atitle><jtitle>Ground Water</jtitle><date>1996-07</date><risdate>1996</risdate><volume>34</volume><issue>4</issue><spage>683</spage><epage>690</epage><pages>683-690</pages><issn>0017-467X</issn><eissn>1745-6584</eissn><coden>GRWAAP</coden><abstract>The “pore tree” model of pore structure was originally developed for catalyst and sorbent grains to allow coupled reactions and diffusion into and out of nonpermeable porous media in the absence of convection through the media. The pore tree model is extended herein to describe the permeable pore structure which characterizes the subsurface transport of gas and water in soil, the dispersion of contaminants, and in situ remediation. The interconnectivity of the pore structure is obtained via a statistical determination of the “branches” that are common to several trees to allow convection and diffusion through the large scale (permeable) structure in addition to diffusion and reactions in the smaller scale (nonpermeable) structure. The extended pore tree model has successfully explained measurement errors in the permeability of soil due to the measurement scale size and has successfully predicted the bulk gaseous diffusivity in partially saturated soil as a function of a saturation scale size. The extended pore tree model provides an analytic description of the pore structure of soil upon which bulk transport, small scale diffusion, and coupled chemical reactions may be added to accurately describe contaminant transport and in situ remediation.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/j.1745-6584.1996.tb02056.x</doi><tpages>8</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0017-467X |
| ispartof | Ground Water, 1996-07, Vol.34 (4), p.683-690 |
| issn | 0017-467X 1745-6584 |
| language | eng |
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| source | Wiley Online Library All Journals |
| subjects | Analysis Contamination Diffusion ENVIRONMENTAL SCIENCES ENVIRONMENTAL TRANSPORT FORECASTING Groundwater Hydrology MATHEMATICAL MODELS Methods PERMEABILITY POLLUTANTS Porous materials REMEDIAL ACTION Soil disinfection Soil permeability SOILS |
| title | Extension of the "Pore Tree" Model to Describe Transport in Soil |
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