Water body extraction is the theoretical foundation of water resource and flood disaster monitoring.
利用遥感数据提取水体，是水资源和洪涝灾害监测的重要手段及其理论基础。
Water is the base of living things on Earth. Water extraction is important to the water resources investigation, the forecasting and evaluating of flood disaster and environmental monitoring.
水是地球上万物的命脉所在，水体提取对于水资源调查、洪水灾害预测评估和环境监测等有着重要作用。
Flood monitoring and assessment is an important part of flood control and disaster mitigation, while GIS is one of the most important technical supports.
洪涝灾害监测评估是抗洪减灾中一个重要组成部分，GIS则是最主要的技术支撑之一。
It is pointed out that remote sensing monitoring and analysis of flood situation of river basins is an important aspect of the technique applied to flood control and disaster mitigation.
介绍了遥感技术在洪涝灾害监测评估中的作用以及目前的应用状况，指出针对流域洪水汛情的遥感监测分析是遥感技术在防洪减灾应用中的一个重要方面。
It is pointed out that remote sensing monitoring and analysis of flood situation of river basins is an important aspect of the technique applied to flood control and disaster mitigation.
介绍了遥感技术在洪涝灾害监测评估中的作用以及目前的应用状况，指出针对流域洪水汛情的遥感监测分析是遥感技术在防洪减灾应用中的一个重要方面。
应用推荐