摘要
水体动态监测是当今资源与环境变化研究的一个热点与重点。及时、准确地获得水体变化信息是对湿地资源保护、利用和可持续发展的有力支持,而遥感技术的快速、周期性等特点为湿地变化监测提供了技术手段。本文的研究区是中亚地区,结合该地区的光谱和时相特征,利用三个时相的MODIS数据,采用监督分类以及人工解译等方法获取了研究区水体分布以及变化信息,并从自然和人为两方面原因对咸水湖泊、淡水湖泊以及含水沟渠的变化情况进行进一步分析评价。
Wetland dynamic monitoring is a hot issue in the study of natural resources and environmental change nowadays.In-time and accurate acquisition of information concerning wetland change is a powerful support for protection,use and successive development of wetland resources.Remote sensing technology can serve this purpose as a technological means because of its features of rapidity and cycle for wetland change monitoring.The study area of this paper is the region of central Asia.Combining the features of spectrum and time phase,three phrases of MODIS data are used to acquire the information of water distribution and change by the method of supervised classification and artificial interpretation.In addition,The change of salty lake,non-salty lake and water channel is made further analysis and evaluation from natural and artificial aspects respectively.
出处
《水文地质工程地质》
CAS
CSCD
北大核心
2010年第5期33-37,共5页
Hydrogeology & Engineering Geology
基金
亚洲地下水资源与环境地质编图(1212010813090)
关键词
MODIS
中亚
水体
动态监测
dynamic mornitoring
water
MODIS
Central Asia
