地球物理和地球空间洞察地表和地下特征,用于地下水潜力分析,埃及西奈半岛 Ras Sudr

IF 2.8 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES Environmental Earth Sciences Pub Date : 2024-11-01 DOI:10.1007/s12665-024-11915-5
Mona Metawee, Sultan A. S. Araffa, Amal Othman, Mohamed El Alfy
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引用次数: 0

摘要

由于采取了各种旨在扩大和发展该地区的举措,苏德尔角引起了人们的极大兴趣。该地区具有相当重要的战略意义,是西奈半岛的重要发展中心和旅游目的地的焦点。此外,该地区山洪暴发,可利用地下水或直接使用。本研究的主要目的是综合地球物理和地理空间分析,研究西奈半岛中西部 Ras Sudr 的地表和地下特征,并确定地下水潜力区域。首先,地球物理数据(包括重力和磁力方法)对地下元素的定性和定量分析至关重要。为区分区域异常和残余异常,采用了过滤技术。对地球物理数据进行了径向平均功率谱技术和三维欧拉解卷积,以确定地下源的深度。通过使用带通滤波器和边缘检测应用,利用残余异常图、区域异常图、倾斜导数和总水平梯度图确定了相关区域的结构模式,反映了四种不同的结构趋势:与苏伊士湾平行的西北-东南走向、与叙利亚弧系平行的东北-西南走向、与尼罗河谷平行的东北-西南走向以及与亚喀巴湾平行的东北-西南走向。利用三维磁力模型绘制的基底地形图显示,基底深度在 1.6 至 6.3 千米之间。其次,利用包括 Sentienl-2 和 SRTM 数据集在内的遥感数据,在地理信息系统环境中提取地表分析数据,利用七个因素(LU-LC、土壤、地质、坡度、排水管网、线状密度和研究区域的降雨量数据)开发地下水潜势。由此得出的地下水潜势区(GWPZ)被划分为从差到优的五个区域,并通过 41 口观测井进行了验证。在该地区西部的高潜力区发现了大量水井,而在中等潜力区则发现了 5 口水井。因此,全球地下水潜能区地图为决策者确定了适合西奈居住、发展和经济计划的可行地下水资源地点。
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Geophysical and geospatial insights into surface and subsurface characteristics for groundwater potential analysis, Ras Sudr, West Sinai, Egypt

Ras Sudr has garnered significant interest owing to various initiatives aimed at expanding and developing this area. It holds considerable strategic importance, serving as a key development hub in Sinai and a focal point for tourism destination. Moreover, it has a remarkable event with flashfloods which can be utilized for groundwater or direct usage. Integrating geophysical and geospatial analyses to study the surface and subsurface characteristics as well as identify groundwater potential areas in Ras Sudr, west-central Sinai is the main objective of this study. Firstly, geophysical data including gravity and magnetic methods have a crucial importance in qualitative and quantitative interpretation of the subsurface elements. Filtering techniques were implemented to distinguish between regional and residual anomalies. Geophysical data were subjected to the radial average power spectrum technique and 3D Euler deconvolution to identify the depth of the subsurface sources. The structure pattern that characterizes the interested region was defined by employing bandpass filter and edge detection appoarches using residual anomaly maps, regional anomaly maps, tilt derivatives and total horizontal gradient maps reflecting four distinct structural trends; NW-SE parallel to the Gulf of Suez, NEE-SWW parallel to the Syrian arc system, N-S parallel to the the Nile Valley, and NNE-SSW parallel to the Gulf of Aqaba. A basement relief map was constructed using 3D magnetic modelling showing that the depth of the basement ranges from 1.6 to 6.3 km. Secondly, the remote sensing data including Sentienl-2 and SRTM datasets were employed to extract the surface analyses in the GIS environment to develop the occurrence of groundwater potentiality utilizing seven factors; LU-LC, soil, geology, slope, drainage network and lineament density and rainfall data of the study area which were ranked from 1 to 5 and weighted according to their effective contribution to the infiltration of groundwater using AHP-GIS based multi criteria method. The resulting Groundwater Potential zone (GWPZ) was categorized into five zones from poor to excellent and validated using 41 observed wells. A significant quantity of wells was identified in the areas of high potential located to the west of the region, while five wells were situated within the moderate potential zone. Thereby, the GWPZ map identifying locations with viable groundwater resources suitable for habitation, development and economic plans in Sinai for decision makers.

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来源期刊
Environmental Earth Sciences
Environmental Earth Sciences 环境科学-地球科学综合
CiteScore
5.10
自引率
3.60%
发文量
494
审稿时长
8.3 months
期刊介绍: Environmental Earth Sciences is an international multidisciplinary journal concerned with all aspects of interaction between humans, natural resources, ecosystems, special climates or unique geographic zones, and the earth: Water and soil contamination caused by waste management and disposal practices Environmental problems associated with transportation by land, air, or water Geological processes that may impact biosystems or humans Man-made or naturally occurring geological or hydrological hazards Environmental problems associated with the recovery of materials from the earth Environmental problems caused by extraction of minerals, coal, and ores, as well as oil and gas, water and alternative energy sources Environmental impacts of exploration and recultivation – Environmental impacts of hazardous materials Management of environmental data and information in data banks and information systems Dissemination of knowledge on techniques, methods, approaches and experiences to improve and remediate the environment In pursuit of these topics, the geoscientific disciplines are invited to contribute their knowledge and experience. Major disciplines include: hydrogeology, hydrochemistry, geochemistry, geophysics, engineering geology, remediation science, natural resources management, environmental climatology and biota, environmental geography, soil science and geomicrobiology.
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