Arid
DOI10.1007/s13157-015-0669-8
Monthly Water Balance of an Iconic Coastal Desert Wetland Under Reduced Flows and Increased Salinities; Implications for Management
Lomeli, Marcelo A.1; Ramirez-Hernandez, Jorge1; Glenn, Edward P.2; Zamora-Arroyo, Francisco3; Flessa, Karl W.4
通讯作者Lomeli, Marcelo A.
来源期刊WETLANDS
ISSN0277-5212
EISSN1943-6246
出版年2015
卷号35期号:4页码:783-793
英文摘要

The Cienega de Santa Clara is a brackish coastal wetland located in the Colorado River Delta Biosphere Reserve. It plays vital ecological roles that support endangered-migratory species and flora. Its main water supply comes from irrigation return flows from the United States with salinity levels (2-3 g L-1) that promote the growth of Typha domingensis. This study conducted a water-mass balance during one year of reduced water volumes and high salinity levels caused by a trial run of the Yuma Desalting Plant. The analysis projected the effects that could be expected from the plant with permanent operation conditions. During the test run, inflows varied from 0.62 to 5 m(3)s(-1), supplying the wetland with 127.20 hm(3) of water at 2-5 g L-1. Forty-five percent of this volume exited as runoff, while 52 % exited by evapotranspiration. Water depth varied from 0.10-2.1 m at different time responses; also, during the summer water salinity levels increased above the tolerance limit for the vegetation, reducing its area by 20 %. Vegetation area returned when normal flows were resumed in the fall. The results indicate that permanent operation of the plant would reduce the vegetated area in the wetland due to reduced flows and increased salinities.


英文关键词Colorado River Delta Cienega de Santa Clara Water balance Yuma Desalting Plant Evapotranspiration
类型Article
语种英语
国家Mexico ; USA
收录类别SCI-E
WOS记录号WOS:000358090800014
WOS关键词COLORADO RIVER DELTA ; MODEL
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
来源机构University of Arizona
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/190823
作者单位1.Univ Autonoma Baja California, Grp Ciencias Tierra, Inst Ingn, Mexicali 21280, Baja California, Mexico;
2.Univ Arizona, Dept Soil Water & Environm Sci, Environm Res Lab, Tucson, AZ 85706 USA;
3.Sonoran Inst, Tucson, AZ 85701 USA;
4.Univ Arizona, Dept Geosci, Tucson, AZ 85721 USA
推荐引用方式
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Lomeli, Marcelo A.,Ramirez-Hernandez, Jorge,Glenn, Edward P.,et al. Monthly Water Balance of an Iconic Coastal Desert Wetland Under Reduced Flows and Increased Salinities; Implications for Management[J]. University of Arizona,2015,35(4):783-793.
APA Lomeli, Marcelo A.,Ramirez-Hernandez, Jorge,Glenn, Edward P.,Zamora-Arroyo, Francisco,&Flessa, Karl W..(2015).Monthly Water Balance of an Iconic Coastal Desert Wetland Under Reduced Flows and Increased Salinities; Implications for Management.WETLANDS,35(4),783-793.
MLA Lomeli, Marcelo A.,et al."Monthly Water Balance of an Iconic Coastal Desert Wetland Under Reduced Flows and Increased Salinities; Implications for Management".WETLANDS 35.4(2015):783-793.
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