Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1186/s40517-022-00240-4 |
Magnetic and gravity modeling and subsurface structure of two geothermal fields in the UAE | |
Saibi, Hakim; Amrouche, Mohamed; Batir, Joseph; Gabr, Amir; Fowler, Abdel-Rahman | |
通讯作者 | Saibi, H |
来源期刊 | GEOTHERMAL ENERGY
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ISSN | 2195-9706 |
出版年 | 2022 |
卷号 | 10期号:1 |
英文摘要 | There are two low-enthalpy geothermal systems along the eastern border of the United Arab Emirates: Ain Khatt (Khatt City, Ras Al Khaimah Emirate) and Green Mubazzarah-Ain Faidha (GMAF) (Al-Ain City, Abu Dhabi Emirate). The hot springs are likely to be meteoric waters fed through deep-seated faults that intersect the geothermal reservoirs at 2.6-3.8 km depth. Gravity and magnetic data were analyzed by gradient (horizontal derivative HD , and improved normalized horizontal tilt angle INH ), and separately 3D modeled to image the subsurface structure of the two UAE geothermal systems. Bouguer anomalies in GMAF and Ain Khatt range from - 14.2 to 8.09 mGal and - 169.3 to - 122.2 mGal, respectively. Magnetic intensities in GMAF and Ain Khatt vary from 39,327 to 44,718 nT and 43,650 to 44,653 nT, respectively. The UAE hot springs (GMAF and Ain Khatt) are located in mainly high HD and INH regions, which reflect significant discontinuities in the basement rock, such as faults or lithological contacts. A joint inversion of magnetic and gravity data, through Artificial Neural Network (ANN) modeling, was performed to explore and interpret the 3D density and magnetic susceptibility variations. Results show that the hot springs in both geothermal systems are associated with intersecting geological contacts and fault zones. The Green-Mubazzarah-Ain Faidha hot springs may be connected at depth. |
英文关键词 | Gravity Magnetic 3D inversion Artificial Neural Network Structure Modeling Geothermal UAE |
类型 | Article |
语种 | 英语 |
开放获取类型 | gold |
收录类别 | SCI-E |
WOS记录号 | WOS:000898599400001 |
WOS关键词 | ARABIAN CONTINENTAL-MARGIN ; NORTHERN OMAN ; MUSANDAM MOUNTAINS ; THERMAL STRUCTURE ; DIBBA ZONE ; AL AIN ; EVOLUTION ; TECTONICS ; DESERT ; OASIS |
WOS类目 | Energy & Fuels ; Geosciences, Multidisciplinary |
WOS研究方向 | Energy & Fuels ; Geology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/392959 |
推荐引用方式 GB/T 7714 | Saibi, Hakim,Amrouche, Mohamed,Batir, Joseph,et al. Magnetic and gravity modeling and subsurface structure of two geothermal fields in the UAE[J],2022,10(1). |
APA | Saibi, Hakim,Amrouche, Mohamed,Batir, Joseph,Gabr, Amir,&Fowler, Abdel-Rahman.(2022).Magnetic and gravity modeling and subsurface structure of two geothermal fields in the UAE.GEOTHERMAL ENERGY,10(1). |
MLA | Saibi, Hakim,et al."Magnetic and gravity modeling and subsurface structure of two geothermal fields in the UAE".GEOTHERMAL ENERGY 10.1(2022). |
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