拉姆萨湿地和淡水资源的时空空间动态:生态系统保护的技术创新
Smrutisikha Mohanty1, Prem Chandra Pandey1
1Department of Life Sciences, School of Natural Sciences, Shiv Nadar Institution of Eminence (Deemed to be University), Greater Noida, India.
概括
遥感显示,印度的土地利用发生了重大变化,水质也在变化.
科学领域:
- 环境科学 环境科学
- 遥感 遥感 遥感 遥感
- 生态生态学 生态生态学
背景情况:
- 像萨曼鸟类保护区和基瑟姆湖这样的湿地是面临自然和人类压力的重要生态系统.
- 了解土地使用和水质对于它们的保护至关重要.
研究的目的:
- 通过遥感评估时空水的存在,土地利用和土地覆盖 (LULC) 的变化以及萨曼鸟类保护区和基瑟姆湖的水质.
- 为保护和管理这些Ramsar遗址提供见解.
主要方法:
- 利用通过云计算处理的哨兵卫星数据,用于LULC分类和水域边界映射.
- 使用修改后规范差异水指数 (MNDWI),OTSU值和Cannie边缘检测来准确划分水域.
- 对两个地点的16个关键水质参数进行了基于现场的分析.
主要成果:
- 观察到显著的LULC变化,灌木林,建筑和农业面积增加,洪水植被和开放水域减少,特别是在萨曼.
- 绘制了季节性水源的地图,并确定了水界的变化.
- 在印度北部的萨曼鸟类保护区首次记录了食虫植物Utricularia stellaris.
结论:
- 遥感和水质监测是了解湿地生态变化和人类影响的有效工具.
- 该研究提供了关键数据,用于明智的保护计划和适应性管理这些脆弱的生态系统.
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