Arid
DOI10.1672/0277-5212(2006)26[385:SFAWPW]2.0.CO;2
Surficial features associated with ponded water on playas of the arid southwestern United States: Indicators for delineating regulated areas under the Clean Water Act
Lichvar, Robert; Brostoff, William; Sprecher, Steven
通讯作者Lichvar, Robert
来源期刊WETLANDS
ISSN0277-5212
出版年2006
卷号26期号:2页码:385-399
英文摘要

Desert playas can be unambiguously identified in a geological context. However, identifying those portions of desert playas that are defined as either three-parameter wetlands or Waters of the United States (WoUS) in the Clean Water Act (CWA), and thus under the jurisdiction of Federal agencies charged with enforcing the CWA, is sometimes problematic. Although the WoUS definition specifically includes playas, the guidance for playa delineation is not as highly developed as that for wetlands. Delineating WoUS on desert playas involves determining the Ordinary High Water Mark. Field experience has demonstrated that the indicators for Ordinary High Water on desert playas have not been fully identified nor have they been associated with ponding that represents the limits of Ordinary High Water. This report discusses the distribution of indicators above, below, and at the Ordinary High Water Mark. Fifteen playa features are identified for possible delineation use and are rated for reliability and their relationship to the Ordinary High Water position.


英文关键词delineation playa dry lake waters of the United States indicators OHW OHWM biotic crust
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000238701700011
WOS关键词WESTERN-MOJAVE DESERT ; AIR-FORCE-BASE ; CRYPTOBIOTIC CRUSTS ; VERNAL POOL ; CALIFORNIA ; ANOSTRACA ; BRANCHIOPODA ; CHECKLIST ; HABITAT ; SYSTEM
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/153229
作者单位(1)Engineer Res & Dev Ctr, Cold Reg Res & Engn Lab, Hanover, NH 03755 USA;(2)USA, Corps Engineers, San Francisco, CA 94105 USA;(3)USDA, Natl Resource Conservat Serv, NW Area Off, Lafayette, IN 47907 USA
推荐引用方式
GB/T 7714
Lichvar, Robert,Brostoff, William,Sprecher, Steven. Surficial features associated with ponded water on playas of the arid southwestern United States: Indicators for delineating regulated areas under the Clean Water Act[J],2006,26(2):385-399.
APA Lichvar, Robert,Brostoff, William,&Sprecher, Steven.(2006).Surficial features associated with ponded water on playas of the arid southwestern United States: Indicators for delineating regulated areas under the Clean Water Act.WETLANDS,26(2),385-399.
MLA Lichvar, Robert,et al."Surficial features associated with ponded water on playas of the arid southwestern United States: Indicators for delineating regulated areas under the Clean Water Act".WETLANDS 26.2(2006):385-399.
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