Arid
DOI10.2134/jeq2004.2317
Field water balance of landfill final covers
Albright, WH; Benson, CH; Gee, GW; Roesler, AC; Abichou, T; Apiwantragoon, P; Lyles, BF; Rock, SA
通讯作者Albright, WH
来源期刊JOURNAL OF ENVIRONMENTAL QUALITY
ISSN0047-2425
EISSN1537-2537
出版年2004
卷号33期号:6页码:2317-2332
英文摘要

Landfill covers are critical to waste containment, yet field performance of specific cover designs has not been well documented and seldom been compared in side-by-side testing. A study was conducted to assess the ability of landfill final covers to control percolation into underlying waste. Conventional covers employing resistive barriers as well as alternative covers relying on water-storage principles were monitored in large (10 X 20 in), instrumented drainage lysimeters over a range of climates at 11 field sites in the United States. Surface runoff was a small fraction of the water balance (0-10%, 4% on average) and was nearly insensitive to the cover slope, cover design, or climate. Lateral drainage from internal drainage layers was also a small fraction of the water balance (0-5.0%, 2.0% on average). Average percolation rates for the conventional covers with composite barriers (geomembrane over fine soil) typically were less than 12 mm/yr (1.4% of precipitation) at humid locations and 1.5 mm/yr (0.4% of precipitation) at arid, semiarid, and subhumid locations. Average percolation rates for conventional covers with soil barriers in humid climates were between 52 and 195 mm/yr (6-17% of precipitation), probably due to preferential flow through defects in the soil harrier. Average percolation rates for alternative covers ranged between 33 and 160 mm/yr (6 and 18% of precipitation) in humid climates and generally less than 2.2 mm/yr (0.4% of precipitation) in arid, semiarid, and subhumid climates. One-half (five) of the alternative covers in arid, semiarid, and subhumid climates transmitted less than 0.1 mm of percolation, but two transmitted much more percolation (26.8 and 52 mm) than anticipated during design. The data collected support conclusions from other studies that detailed, site-specific design procedures are very important for successful performance of alternative landfill covers.


类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000225240900038
WOS关键词SEMIARID REGIONS ; RECHARGE ; BARRIER
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
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/2XILL650/147320
作者单位(1)Univ & Community Coll Syst Nevada, Desert Res Inst, Reno, NV 89512 USA;(2)Univ Wisconsin, Geo Engn Program, Madison, WI 53706 USA;(3)Battelle Pacific NW Labs, Richland, WA 99352 USA;(4)Langan Engn & Environm Serv Inc, Elmwood Pk, NJ 07407 USA;(5)Florida State Univ, Dept Civil & Environm Engn, Tallahassee, FL 32310 USA;(6)US EPA, Natl Risk Management Res Lab, Cincinnati, OH 45268 USA
推荐引用方式
GB/T 7714
Albright, WH,Benson, CH,Gee, GW,et al. Field water balance of landfill final covers[J]. Desert Research Institute,2004,33(6):2317-2332.
APA Albright, WH.,Benson, CH.,Gee, GW.,Roesler, AC.,Abichou, T.,...&Rock, SA.(2004).Field water balance of landfill final covers.JOURNAL OF ENVIRONMENTAL QUALITY,33(6),2317-2332.
MLA Albright, WH,et al."Field water balance of landfill final covers".JOURNAL OF ENVIRONMENTAL QUALITY 33.6(2004):2317-2332.
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