Arid
DOI10.1061/(ASCE)GT.1943-5606.0000741
Field Hydrology of Landfill Final Covers with Composite Barrier Layers
Albright, William H.1; Benson, Craig H.2; Apiwantragoon, Preecha3
通讯作者Albright, William H.
来源期刊JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING
ISSN1090-0241
出版年2013
卷号139期号:1页码:1-12
英文摘要

A study was conducted at seven sites across the United States to evaluate the field hydrology of final covers with a composite barrier (a geomembrane over a soil barrier or a geosynthetic clay liner) for final closure of landfills. The water balance of each cover was monitored with a large (10320 m) instrumented drainage lysimeter. With one exception, the covers limited the average annual percolation to < 2.8 mm/year (< 0.4% of precipitation). The geomembrane barrier at one site (Marina, California) was likely damaged during construction; percolation at this site averaged 30 mm/year (6.9% of precipitation). The annual percolation through the cover at the wettest site (Cedar Rapids, Iowa) ranged between 0.1 and 6.2 mm/year. The annual percolation at arid and semiarid sites was typically no more than a trace (< 0.1 mm/year). Percolation from all test covers generally was coincident with high water storage in the surface soil layer and lateral flow in the drainage layer on the surface of the geomembrane barrier. Water balance predictions were made with the hydrologic evaluation of landfill performance model using site-specific input. Surface runoff was overpredicted and evapotranspiration underpredicted when as-built soil hydraulic properties were used as input. Better agreement was obtained when in-service soil hydraulic properties were used as input. The lateral flow was consistently overpredicted regardless of the hydraulic properties, and no correspondence existed between the predicted and measured percolations. DOI: 10.1061/(ASCE)GT.1943-5606.0000741. (C) 2013 American Society of Civil Engineers.


英文关键词Landfill Final cover Geomembrane Hydrology HELP model Field scale
类型Article
语种英语
国家USA ; Thailand
收录类别SCI-E
WOS记录号WOS:000313440800001
WOS关键词WATER-BALANCE ; LINERS
WOS类目Engineering, Geological ; Geosciences, Multidisciplinary
WOS研究方向Engineering ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/178454
作者单位1.Nevada Syst Higher Educ, Desert Res Inst, Reno, NV 89512 USA;
2.Univ Wisconsin, Off Sustainabil, Madison, WI 53706 USA;
3.Chulachomklao Royal Mil Acad, Dept Civil Engn, Nakhon Nayok 26001, Thailand
推荐引用方式
GB/T 7714
Albright, William H.,Benson, Craig H.,Apiwantragoon, Preecha. Field Hydrology of Landfill Final Covers with Composite Barrier Layers[J],2013,139(1):1-12.
APA Albright, William H.,Benson, Craig H.,&Apiwantragoon, Preecha.(2013).Field Hydrology of Landfill Final Covers with Composite Barrier Layers.JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING,139(1),1-12.
MLA Albright, William H.,et al."Field Hydrology of Landfill Final Covers with Composite Barrier Layers".JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING 139.1(2013):1-12.
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