建立了海城河城区段五十年一遇洪水演进模型,得出了行洪水面线,对现状堤防的防洪能力进行了分析。(2)多光谱样本库的建立。
A fifty year return period numerical model for flooding was established , and from which flood surface level was obtained and the flood control capacity was analyzed . ( 2 ) Construction of Multispectral Image Database .