基于GIS的多准则和AHP技术识别潜在地下水补给区——以马哈拉施特拉邦西部浦那市为例

Q3 Environmental Science
Natraj Vaddadi, C. Vansarochana, Venkatesh Raghavan
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引用次数: 1

摘要

随着地表水供应的减少,地下水越来越多地被用作世界各地许多城市的淡水来源。因此,越来越需要评估一个地区的地下水潜力。在过去几十年中,遥感和地理信息系统已被用于对含水层的潜在补给进行系统调查。与世界主要城市一样,浦那市的水需求也在逐年增加,地表水供不应求。本研究采用多准则分析和层次分析法(AHP)技术,划定了浦那市人工补给的潜在区域。人工补给技术,特别是雨水收集(RWH)的使用,正在全球范围内部署,以增加淡水供应。地下水补给直接受地表特征的影响,如降雨量、地质、土壤类型、土地利用/土地覆盖(LULC)、排水、线性构造/裂缝等。因此,考虑了六个这样的参数,即LULC、坡度、土壤质地、降雨量、排水密度和地质,以生成地下水补给潜力图。根据分析,将研究区划分为五类,即低、中、好、非常好和高地下水潜力。大约45%的城市显示出良好到高的充电潜力。结果表明,高、良潜力补给带位于城市西部,而中部(内城)和东部则呈现中、低潜力补给。研究结果有助于确定补给区域,并为研究区域内现有含水层的系统补给制定框架。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Identification of Potential Groundwater Recharge Zones Using GIS Based Multi-Criteria and AHP Technique: A Case Study of Pune City, Western Maharashtra
With dwindling supply of surface water, Ground water is increasingly being used as a source of fresh water in many cities across the world. Consequently, there is an increasing need to evaluate groundwater potential of an area. Over the past few decades, Remote Sensing and GIS have been used for systematic investigations on potential recharge of aquifers. As in major cities of the world, the demand for water in Pune City is also increasing every year and demand outstrips the supply of surface water. This study delineated potential zones for artificial recharge across Pune City by using Multi-criteria analysis and the Analytical Hierarchy Process (AHP) techniques. Artificial recharge techniques especially the use of rainwater harvesting (RWH) are being deployed globally to augment supply of fresh water. Ground-water recharge is directly influenced by surface characteristics such as rainfall, geology, soil types, Land Use/Land Cover (LULC), drainage, lineaments/fractures, etc. Hence, six such parameters, namely, LULC, Slope, Soil texture, Rainfall, Drainage density, and Geology were considered to generate a groundwater recharge potential map. Based on the analysis, the study area was zoned into five classes, namely, low, moderate, good, very good and high groundwater potentials. About 45% of the city shows good to high potential for recharge. The results reveal that the high and good potential recharge zones lie to the western part of the city, whereas the central part (inner city) and the eastern part show medium to low potential for recharge. The results can help to identify areas for recharge and formulate a framework for systematic recharge of the existing aquifers in the area under study.
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来源期刊
Environment and Natural Resources Journal
Environment and Natural Resources Journal Environmental Science-Environmental Science (all)
CiteScore
1.90
自引率
0.00%
发文量
49
审稿时长
8 weeks
期刊介绍: The Environment and Natural Resources Journal is a peer-reviewed journal, which provides insight scientific knowledge into the diverse dimensions of integrated environmental and natural resource management. The journal aims to provide a platform for exchange and distribution of the knowledge and cutting-edge research in the fields of environmental science and natural resource management to academicians, scientists and researchers. The journal accepts a varied array of manuscripts on all aspects of environmental science and natural resource management. The journal scope covers the integration of multidisciplinary sciences for prevention, control, treatment, environmental clean-up and restoration. The study of the existing or emerging problems of environment and natural resources in the region of Southeast Asia and the creation of novel knowledge and/or recommendations of mitigation measures for sustainable development policies are emphasized. The subject areas are diverse, but specific topics of interest include: -Biodiversity -Climate change -Detection and monitoring of polluted sources e.g., industry, mining -Disaster e.g., forest fire, flooding, earthquake, tsunami, or tidal wave -Ecological/Environmental modelling -Emerging contaminants/hazardous wastes investigation and remediation -Environmental dynamics e.g., coastal erosion, sea level rise -Environmental assessment tools, policy and management e.g., GIS, remote sensing, Environmental -Management System (EMS) -Environmental pollution and other novel solutions to pollution -Remediation technology of contaminated environments -Transboundary pollution -Waste and wastewater treatments and disposal technology
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