Arid
DOI10.1016/j.scitotenv.2019.02.206
Quantifying increased groundwater demand from prolonged drought in the East African Rift Valley
Thomas, Evan A.1; Needoba, Joseph2; Kaberia, Doris3; Butterworth, John4; Adams, Emily C.5,6; Oduor, Phoebe7; Macharia, Denis7; Mitheu, Faith7; Mugo, Robinson7; Nagel, Corey3
通讯作者Thomas, Evan A.
来源期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
EISSN1879-1026
出版年2019
卷号666页码:1265-1272
英文摘要Millions of people in the arid regions of Kenya and Ethiopia face water scarcity and frequent drought. Water resource forecasting and reliable operation of groundwater distribution systems may improve drought resilience. In this study, we examined three remote sensing data sets against in-situ sensor-collected groundwater extraction data from 221 water points serving over 1.34 million people across northern Kenya and Afar, Ethiopia between January 1, 2017 and August 31, 2018. In models containing rainfall as a binary variable, we observed an overall 23% increase in borehole runtime following weeks with no rainfall compared to weeks preceded by some rainfall. Further, a 1 mm increase in rainfall was associated with a 1% decrease in borehole use the following week. When surface water availability is reduced during the dry seasons, groundwater demand increases. Our findings emphasize the imperative to maintain functionality of groundwater boreholes in these regions which often suffer drought related emergencies. Funding provided by the United States Agency for International Development, the World Bank, the National Science Foundation, and the Cisco Foundation. The views expressed in this article do not necessarily reflect the views of the United States Agency for International Development or the United States Government. (C) 2019 The Authors. Published by Elsevier B.V.
英文关键词Groundwater Drought Ethiopia Kenya Sensors Remote monitoring
类型Article
语种英语
国家USA ; Ethiopia ; Kenya
开放获取类型Green Published, hybrid
收录类别SCI-E ; SSCI
WOS记录号WOS:000463180700120
WOS关键词CLIMATE EXPERIMENT ; GRAVITY RECOVERY ; WATER-RESOURCES ; SURFACE-WATER ; GREATER HORN ; BASIN ; VULNERABILITY ; RAINFALL ; PASTORALISTS ; POPULATION
WOS类目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/2XILL650/218675
作者单位1.Univ Colorado, Mortenson Ctr Global Engn, Boulder, CO 80309 USA;
2.Oregon Hlth & Sci Univ, Portland State Univ, Sch Publ Hlth, Portland, OR 97201 USA;
3.Univ Arkansas, Little Rock, AR 72204 USA;
4.IRC Wash, Addis Ababa, Ethiopia;
5.Univ Alabama Huntsville, Earth Syst Sci Ctr, Huntsville, AL USA;
6.NASA, SERVIR Sci Coordinat Off, Marshall Space Flight Ctr, Washington, DC 20546 USA;
7.Reg Ctr Mapping Resources Dev, Nairobi, Kenya
推荐引用方式
GB/T 7714
Thomas, Evan A.,Needoba, Joseph,Kaberia, Doris,et al. Quantifying increased groundwater demand from prolonged drought in the East African Rift Valley[J],2019,666:1265-1272.
APA Thomas, Evan A..,Needoba, Joseph.,Kaberia, Doris.,Butterworth, John.,Adams, Emily C..,...&Nagel, Corey.(2019).Quantifying increased groundwater demand from prolonged drought in the East African Rift Valley.SCIENCE OF THE TOTAL ENVIRONMENT,666,1265-1272.
MLA Thomas, Evan A.,et al."Quantifying increased groundwater demand from prolonged drought in the East African Rift Valley".SCIENCE OF THE TOTAL ENVIRONMENT 666(2019):1265-1272.
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