Water Balance Final Cover Using Vetiver Grass in Texas
Publication: Geo-Congress 2023
ABSTRACT
The current paper evaluates the applicability of vetiver grass for water balance final covers (WBFC) in Texas. There has been limited research and application of vetiver grass for landfill WBFC although it is an approved final cover system for landfills. The objective of the paper is to simulate vetiver grass for the WBFC in arid and semi-arid regions in Texas, using computer program UNSAT-H. The paper evaluates the applicability of vetiver grass and estimates percolation through the landfill cover. The paper illustrates WBFC with vetiver grass provides adequate storage capacity in both arid/semi-arid regions in Texas. WBFC with vetiver grass for north Texas (semi-arid) has a storage capacity of 16.32 in. (415 mm), where the maximum required storage is 9.96 in. (253 mm); for west Texas (arid region) it has a storage capacity of 15.10 in. (384 mm), where the maximum required storage is 2.84 in. (72 mm).
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Geo-Congress 2023
Pages: 182 - 192
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Published online: Mar 23, 2023
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