Arid
DOI10.1007/s12517-015-1932-2
Groundwater of Abu Dhabi Emirate: a regional assessment by means of remote sensing and geographic information system
Elmahdy, Samy Ismail1; Mohamed, Mostafa Mohamed1,2
通讯作者Elmahdy, Samy Ismail
来源期刊ARABIAN JOURNAL OF GEOSCIENCES
ISSN1866-7511
EISSN1866-7538
出版年2015
卷号8期号:12页码:11279-11292
英文摘要

Mapping of geological, topographical, and hydrological elements is critical for understanding and assessing the regional hydrological setting in an arid region. In this study, a synergistic approach has been developed, which uses a combination of remote sensing data and geographic information system (GIS) to map factors controlling groundwater recharge, discharge, and quality across the Abu Dhabi Emirate. The Spectral Angel Mapper (SAM) algorithm, which uses a n-D angle to match the pixels to reference spectra, was used to map new water-bearing rocks, and the deterministic eight-node (D8) algorithm, which allows flow to only one of the eight neighbors based on the direction of steepest descent, was used to map paleochannels. The terrain category was applied to simulate seawater intrusion from digital elevation model (DEM). New maps of lithology, normalized difference vegetation index (NDVI), and paleochannels were derived and interpreted from multi-sources of remote sensing data. The study indicated that the area was produced by a fluvial and eolian process and recharged by local, intermediate, and regional flows. The results showed that the Oman and Hafeet Mountains are the natural sources of groundwater recharge as well as HCO3, Ca, Na, and Mg in groundwater. The mapped factors were spatially correlated with hydrologic anomalies observed in groundwater wells. The integrated approach is timely, cost-effective, and can be used in arid regions for numerical modeling as well as water balance analysis.


英文关键词Remote sensing GIS UAE Groundwater Paleochannels Al Ain
类型Article
语种英语
国家U Arab Emirates ; Egypt
收录类别SCI-E
WOS记录号WOS:000365450800077
WOS关键词GIS ; SALINITY ; RECHARGE ; BASIN
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/2XILL650/185946
作者单位1.United Arab Emirates Univ, Dept Civil & Environm Engn, Al Ain, U Arab Emirates;
2.Cairo Univ, Fac Engn, Irrigat & Hydraul Dept, Giza 12211, Egypt
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Elmahdy, Samy Ismail,Mohamed, Mostafa Mohamed. Groundwater of Abu Dhabi Emirate: a regional assessment by means of remote sensing and geographic information system[J],2015,8(12):11279-11292.
APA Elmahdy, Samy Ismail,&Mohamed, Mostafa Mohamed.(2015).Groundwater of Abu Dhabi Emirate: a regional assessment by means of remote sensing and geographic information system.ARABIAN JOURNAL OF GEOSCIENCES,8(12),11279-11292.
MLA Elmahdy, Samy Ismail,et al."Groundwater of Abu Dhabi Emirate: a regional assessment by means of remote sensing and geographic information system".ARABIAN JOURNAL OF GEOSCIENCES 8.12(2015):11279-11292.
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