一种混合方法:遥感,分析层次流程和地理信息系统用于印度德迪亚帕达的地下水潜力测绘
Garge Sandhya Kiran1, Ramandeep Kaur M Malhi2, Agradeep Mohanta1
1Ecophysiology and RS-GIS Laboratory, Department of Botany, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, 390002, Gujarat, India.
Environmental science and pollution research international
|December 2, 2024
概括
鉴定地下水潜在区域是非常重要的,因为过度开发和气候变化. 这项研究使用遥感和GIS绘制了印度古吉拉特邦的这些区域的地图,以帮助水资源管理战略.
科学领域:
- 环境科学 环境科学
- 水文学的水文学
- 地理信息学是一种地理信息学.
背景情况:
- 全球地下水供应受到过度开发和气候变化的压力,增加了识别新饮用水源的需求.
- 地下水勘探对于满足全球不断增长的水需求至关重要.
- 该研究解决了水资源稀缺地区可持续地下水管理的关键需求.
研究的目的:
- 探索遥感 (RS) 和地理信息系统 (GIS) 的实用性,以确定地下水潜在区域 (GWPZs).
- 在印度古吉拉特邦Dediapada Taluka的干叶森林地区划定GWPZ.
- 为有效的水资源管理和规划提供框架.
主要方法:
- 整合了十二个主题层:地质,地形,土地利用/土地覆盖 (LULC),排水密度,线状密度,降雨量,土壤,坡度,粗度,地形湿度指数 (TWI),地形位置指数 (TPI) 和曲率.
- 在GIS中应用加权分析,使用Saaty的9分尺度.
- 使用分析层次过程 (AHP) 来识别和映射GWPZs的结果的规范化.
主要成果:
- 确定并绘制了五个不同的地下水潜在区域 (非常高,高,中等,低和非常低).
- 划定区域覆盖面积为6.52% (非常高),3.1% (高),60.1% (中等),14.32% (低) 和15.99% (非常低).
- 使用现有的井数据验证了生成的地图,证实了它们的准确性.
结论:
- AHP技术有效地划分了GWPZ,为地下水资源管理提供了宝贵的见解.
- 开发的方法可以在为Dediapada Taluka制定可持续的水资源管理策略方面发挥重要作用.
- 该方法具有可扩展性,可以扩展到其他塔卢卡,用于更广泛的水资源规划和保护工作.
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