干旱区生态环境知识资源中心(Arid): Investigation of groundwater occurrence using gravity and electrical resistivity methods: a case study from Wadi Sar, Hijaz Mountains, Saudi Arabia

Arid

DOI	10.1007/s12517-021-06628-z
	Investigation of groundwater occurrence using gravity and electrical resistivity methods: a case study from Wadi Sar, Hijaz Mountains, Saudi Arabia
	Taha, Ayman I.; Al Deep, Mohamed; Mohamed, Ahmed
通讯作者	Al Deep, M (corresponding author), Natl Res Inst Astron & Geophys NRIAG, Cairo, Egypt.
来源期刊	ARABIAN JOURNAL OF GEOSCIENCES
ISSN	1866-7511
EISSN	1866-7538
出版年	2021
卷号	14 期号:5
英文摘要	An integrated approach of Gravity Recovery and Climate Experiment (GRACE) and vertical electrical resistivity sounding (VES) technique has been carried out to investigate regionally and locally the groundwater potentialities of Wadi Sar in the Hijaz Mountains. Our findings are (1) the terrestrial water storage variations (Delta TWS) are estimated at -2.06 +/- 0.34 mm/year; (2) the Global Land Data Assimilation System-derived soil moisture storage variations (Delta SMS) are estimated at -0.067 +/- 0.005 mm/year; (3) the groundwater storage variations (Delta GWS) show a negative trend estimated at -2.00 +/- 0.34 mm/year during the period April 2002-July 2017; and (4) the average annual precipitation (AAP) rate is estimated at 115 mm during the period 2002-2018. Three geoelectrical layers are identified from the inversion of the electrical resistivity data: (5) the surface layer of high resistivity values is consisted of dry unconsolidated Quaternary deposits; (6) the second layer represents the fractured groundwater aquifer of low resistivity values and variable thickness; (7) the third layer is composed of fractured basement rocks of higher resistivity values. The streams are draining the surface water toward the Najd Pedi plain aquifer; (8) the faults are acting as conduits for groundwater flow away from the Wadi. The current study indicates the occurrence of groundwater at the downstream zones of the Wadi Sar, but with a general decrease trend. The integrated approach provides a better understanding of the groundwater potentialities in the arid regions.
英文关键词	Gravity Vertical electrical soundings Stream Structural trends Groundwater Wadi Sar Saudi Arabia
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000621087300005
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/2XILL650/349540
作者单位	[Taha, Ayman I.; Al Deep, Mohamed] Natl Res Inst Astron & Geophys NRIAG, Cairo, Egypt; [Mohamed, Ahmed] Assiut Univ, Geol Dept, Fac Sci, Assiut 71516, Egypt
推荐引用方式 GB/T 7714	Taha, Ayman I.,Al Deep, Mohamed,Mohamed, Ahmed. Investigation of groundwater occurrence using gravity and electrical resistivity methods: a case study from Wadi Sar, Hijaz Mountains, Saudi Arabia[J],2021,14(5).
APA	Taha, Ayman I.,Al Deep, Mohamed,&Mohamed, Ahmed.(2021).Investigation of groundwater occurrence using gravity and electrical resistivity methods: a case study from Wadi Sar, Hijaz Mountains, Saudi Arabia.ARABIAN JOURNAL OF GEOSCIENCES,14(5).
MLA	Taha, Ayman I.,et al."Investigation of groundwater occurrence using gravity and electrical resistivity methods: a case study from Wadi Sar, Hijaz Mountains, Saudi Arabia".ARABIAN JOURNAL OF GEOSCIENCES 14.5(2021).