通过对扎龙湿地观测数据和相关资料的分析，探讨湿地对防洪减灾的作用。
Basing on the analysis to Zhalong marshland, this paper discusses the function of marshland to flood control and disaster relief.
洪水风险图综合自然、社会经济和洪水灾害等多种信息，在防洪减灾中可发挥重要参考作用。
And flood risk map contains comprehensive information such as area nature, socio-economy and flood calamity, so it can play an important reference role in flood prevention and reduction.
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.
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