划定印度拉贾斯坦邦半干旱东部平原潜在地下水补给带

IF 1.5 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES
Vipin Garg, Manish Kumar, Milap Dashora, Rajesh Kumar, Amit Singh, Alok Kumar
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引用次数: 0

摘要

地表和地下异常、水文条件和嵌入式专题层之间的动态相互作用影响地下水补给潜力(GRP)。在人口增长和无计划城市化的背景下,开展GRP研究对于促进地下水资源的可持续利用具有重要作用。本文采用遥感与地理信息系统(RS-GIS)技术和层次分析法(AHP)相结合的方法,对拉贾斯坦邦东部半干旱平原的地下水潜势区(GPZs)进行了评价。研究结果表明,以细沙、粉砂和粘土、山带-山带复体、风成沙片、较高的排水密度、cambisolis土、河道、洪泛平原、水体、土壤导水率和较高的地表湿度为主导的区域是该地区平原良好补给潜力的重要因素。此外,地形、丘陵和山谷调节着水的运动。年代际平均深度波动与gpz频率类别之间呈负相关(-0.78),验证了在平均深度波动较小的地区识别高电位带的有效性。敏感性分析强调地质和地貌是关键因素。然而,该研究解决了潜在的限制和挑战,例如由于非线性像素融合算法和AHP方法在模型解释中的相关限制而导致的数据缩放和空间分辨率问题。本研究为改善水文地质敏感和干旱易发地区的地下水资源管理提供了一条便捷的途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Delineating Potential Groundwater Recharge Zones in the Semi-Arid Eastern Plains of Rajasthan, India

Delineating Potential Groundwater Recharge Zones in the Semi-Arid Eastern Plains of Rajasthan, India

Surface and subsurface anomalies, hydrological conditions, and dynamic interactions between embedded thematic layers influence groundwater recharge potential (GRP). Conducting a GRP study plays an essential role in promoting the sustainable use of groundwater resources amid a growing population and unplanned urbanization. This study focuses on assessing GRP in the semi-arid eastern plains of Rajasthan by delineating groundwater potential zones (GPZs) using an integrated approach involving remote sensing and geographical information system (RS-GIS) technique and analytical hierarchy process (AHP) method. Research findings indicate that the region dominated by fine sand, silt and clay, pediment-pediplain complex, aeolian sand sheet, higher drainage density, cambisols soil, river channels, floodplains, water bodies, soil hydraulic conductivity and higher surface wetness significantly contributed to good recharge potential in plains of the region. Additionally, lineaments, hills and valleys regulate water movement. A strong negative correlation (–0.78) between decadal-mean-depth fluctuation and GPZs frequency classes validates identifying high potential zones in areas with low mean-depth fluctuation. Sensitivity analysis highlights geology and geomorphology as crucial factors. However, the study addresses potential limitations and challenges, such as data scaling and spatial resolution issues due to nonlinear pixel fusion algorithms and AHP method-related limitations in model interpretation. The current study presents a convenient approach for improving groundwater resource management in hydrogeologically sensitive and drought-prone regions.

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来源期刊
Clean-soil Air Water
Clean-soil Air Water 环境科学-海洋与淡水生物学
CiteScore
2.80
自引率
5.90%
发文量
88
审稿时长
3.6 months
期刊介绍: CLEAN covers all aspects of Sustainability and Environmental Safety. The journal focuses on organ/human--environment interactions giving interdisciplinary insights on a broad range of topics including air pollution, waste management, the water cycle, and environmental conservation. With a 2019 Journal Impact Factor of 1.603 (Journal Citation Reports (Clarivate Analytics, 2020), the journal publishes an attractive mixture of peer-reviewed scientific reviews, research papers, and short communications. Papers dealing with environmental sustainability issues from such fields as agriculture, biological sciences, energy, food sciences, geography, geology, meteorology, nutrition, soil and water sciences, etc., are welcome.
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