基于MNDWI的洞庭湖水域面积遥感监测
Remote Sensing Monitoring Water Area of Dongting Lake Based on MNDWI
DOI: 10.12677/JWRR.2015.43028, PDF, HTML, XML,  被引量 下载: 2,406  浏览: 9,175 
作者: 成 功, 王冬军：中南大学地球科学与信息物理学院，有色金属成矿预测教育部重点实验室，湖南 长沙；邓 罡：武冈市国土资源勘测院，湖南 武冈
关键词: 洞庭湖；水域面积；遥感监测；MNDWI；Landsat；Dongting Lake； Water Area； Remote Sensing； MNDWI； Landsat
摘要: 为了了解近年来洞庭湖水域面积的年际间变化趋势，探寻影响其变化的因素，作者采用改进的归一化差异水体指数法(MNDWI)对1996~2014年间9月份Landsat数据进行处理，提取了洞庭湖主要水域信息，并利用ARCGIS软件计算水域面积，统计分析变化规律。结果表明：洞庭湖主要湖区水域面积总体呈缩小趋势。初步分析其萎缩的可能原因，主要为泥沙的不断淤积、围湖造田、气候的剧烈变化和三峡工程蓄水运行等。
Abstract: In order to understand recent changes in inter-annual trends in water area of Dongting Lake and to ex-plore the factors affecting the changes, the September Landsat data during 1996-2014 years were pro- cessed by Normalized Difference Water Index (MNDWI), and the water information of main Dongting Lake was extracted, the water areas were calculated by ARCGIS, and the variation was analyzed. The results show that: the water area of main Dongting Lake is overall decreasing. The possible causes of its shrinking by preliminary analysis are mainly continuous deposition of sediment, lots of reclaiming land from lakes, dramatic changes in climate and water storage of the Three Gorges reservoir and so on.
文章引用：成功, 邓罡, 王冬军. 基于MNDWI的洞庭湖水域面积遥感监测[J]. 水资源研究, 2015, 4(3): 234-239. http://dx.doi.org/10.12677/JWRR.2015.43028

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