Arid
DOI10.1061/(ASCE)GT.1943-5606.0001195
Field Hydrology of Water Balance Covers for Waste Containment
Apiwantragoon, Preecha1; Benson, Craig H.2; Albright, William H.3
通讯作者Benson, Craig H.
来源期刊JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING
ISSN1090-0241
EISSN1943-5606
出版年2015
卷号141期号:2
英文摘要

A study was conducted at 12 sites across the United States to evaluate field-scale hydrology of landfill final covers using water balance methods to control percolation. The sites were located in climates ranging from arid to humid, with annual precipitation varying from 119 to 1,263 mm. Fifteen test sections were constructed with large (10x20 m) drainage lysimeters for continuous and direct monitoring of the water balance over a period of 3-6 years. Monolithic and capillary barrier designs were used for water storage, and plant communities consisting of grasses, grasses and shrubs, or grasses and trees were used to promote evapotranspiration. Data from these test sections are analyzed along with data from 10 other sites in the literature to draw general inferences regarding the hydrology of water balance covers. Percolation ranges from 0 to 225mm/year (0-34% of precipitation) on an average annual basis and is shown to be affected by annual precipitation, preferential flow, and storage capacity of the cover. Evapotranspiration is the largest component of the water balance (>60% of precipitation) and varies with water availability from precipitation, energy demand as characterized by potential evapotranspiration, and type of plant community. Surface runoff is the smallest fraction (<16% of precipitation) and depends on the saturated hydraulic conductivity of the surface soils, intensity of precipitation, and the occurrence of snowmelt and frozen ground. (C) 2014 American Society of Civil Engineers.


英文关键词Landfill Final cover Runoff Evapotranspiration Percolation Water balance cover Lysimeter Unsaturated
类型Article
语种英语
国家Thailand ; USA
收录类别SCI-E
WOS记录号WOS:000348032400016
WOS关键词CAPILLARY BARRIERS ; PREDICTIONS ; EVAPOTRANSPIRATION ; DESIGNS ; REGIONS ; SLOPE
WOS类目Engineering, Geological ; Geosciences, Multidisciplinary
WOS研究方向Engineering ; Geology
来源机构Desert Research Institute
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/188727
作者单位1.Chulachomklao Royal Mil Acad, Dept Civil Engn, Nakhon Nayok 26001, Thailand;
2.Univ Wisconsin, Madison, WI 53706 USA;
3.Nevada Syst Higher Educ, Desert Res Inst, Reno, NV 89512 USA
推荐引用方式
GB/T 7714
Apiwantragoon, Preecha,Benson, Craig H.,Albright, William H.. Field Hydrology of Water Balance Covers for Waste Containment[J]. Desert Research Institute,2015,141(2).
APA Apiwantragoon, Preecha,Benson, Craig H.,&Albright, William H..(2015).Field Hydrology of Water Balance Covers for Waste Containment.JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING,141(2).
MLA Apiwantragoon, Preecha,et al."Field Hydrology of Water Balance Covers for Waste Containment".JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING 141.2(2015).
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