Arid
DOI10.1016/j.jafrearsci.2016.11.002
Assessing groundwater accessibility in the Kharga Basin, Egypt: A remote sensing approach
Parks, Shawna1; Byrnes, Jeffrey1; Abdelsalam, Mohamed G.1; Davila, Daniel A. Lao1; Atekwana, Estella A.1; Atya, Magdy A.2
通讯作者Abdelsalam, Mohamed G.
来源期刊JOURNAL OF AFRICAN EARTH SCIENCES
ISSN1464-343X
EISSN1879-1956
出版年2017
卷号136页码:272-281
英文摘要

We used multi-map analysis of remote sensing and ancillary data to identify potentially accessible sites for groundwater resources in the Kharga Basin in the Western Desert of Egypt. This basin is dominated by Cretaceous sandstone formations and extends within the Nubian Sandstone Aquifer. It is dissected by N-S and E-W trending faults, possibly acting as conduits for upward migration of groundwater. Analysis of paleo-drainage using Digital Elevation Model (DEM) generated from the Shuttle Radar Topography Mission (SRTM) data shows that the Kharga was a closed basin that might have been the site of a paleolake. Lake water recharged the Nubian Sandstone Aquifer during the wetter Holocene time. We generated the following layers for the multi-map analysis: (1) Fracture density map from the interpretation of Landsat Operational Land Imager (OLI), SRTM DEM, and RADARSAT data. (2) Thermal Inertia (TI) map (for moisture content imaging) from the Moderate Resolution Imaging Spectroradiometer (MODIS) data. (3) Hydraulic conductivity map from mapping lithological units using the Landsat OLI and previously published data. (4) Aquifer thickness map from previously published data. We quantitatively ranked the Kharga Basin by considering that regions of high fracture density, high TI, thicker aquifer, and high hydraulic conductivity have higher potential for groundwater accessibility. Our analysis shows that part of the southern Kharga Basin is suitable for groundwater extraction. This region is where N-S and E-W trending faults intersect, has relatively high TI and it is underlain by thick aquifer. However, the suitability of this region for groundwater use will be reduced significantly when considering the changes in land suitability and economic depth to groundwater extraction in the next 50 years. (C) 2016 Elsevier Ltd. All rights reserved.


英文关键词Kharga Basin Groundwater Thermal inertia Fracture density Paleo-drainage
类型Article
语种英语
国家USA ; Egypt
收录类别SCI-E
WOS记录号WOS:000418219400019
WOS关键词FOSSIL-SPRING TUFAS ; THERMAL INERTIA ; WESTERN DESERT ; SOIL-MOISTURE ; STABLE-ISOTOPE ; EASTERN SAHARA ; OASIS ; MODEL ; LAKES ; CONSTRAINTS
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/199960
作者单位1.Oklahoma State Univ, Boone Pickens Sch Geol, Stillwater, OK 74078 USA;
2.Natl Res Inst Astron & Geophys, Helwan 11722, Egypt
推荐引用方式
GB/T 7714
Parks, Shawna,Byrnes, Jeffrey,Abdelsalam, Mohamed G.,et al. Assessing groundwater accessibility in the Kharga Basin, Egypt: A remote sensing approach[J],2017,136:272-281.
APA Parks, Shawna,Byrnes, Jeffrey,Abdelsalam, Mohamed G.,Davila, Daniel A. Lao,Atekwana, Estella A.,&Atya, Magdy A..(2017).Assessing groundwater accessibility in the Kharga Basin, Egypt: A remote sensing approach.JOURNAL OF AFRICAN EARTH SCIENCES,136,272-281.
MLA Parks, Shawna,et al."Assessing groundwater accessibility in the Kharga Basin, Egypt: A remote sensing approach".JOURNAL OF AFRICAN EARTH SCIENCES 136(2017):272-281.
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