松花江干流防洪区土地利用信息复合提取  

Compound collecting of land utilization information in flood control zone of main stream for Songhuajiang river

作　　者：左海洋[1] 宁方贵[1] 韩俊山[1] 杜国明[2] 

机构地区：[1]水利部松辽水利委员会,吉林长春130021 [2]中国科学院东北地理与农业生态研究所,吉林长春130012

出　　处：《东北水利水电》2007年第3期45-47,共3页Water Resources & Hydropower of Northeast China

摘　　要：本文通过对松花江干流防洪区土地利用进行多细度划分,从多源数据进行多时相、多尺度提取,形成研究区土地利用数据和水系数据。本研究可为该区域的防洪救灾工作提供依据,并可作为“数字松花江”的数据基础。土地利用信息复合提取的工作模式,可降低工作量、减少数据冗余,提高工作效率,可应用于其他地理数据库建设的工作中。The paper divides the utilized land in the flood control zone of the main stream with the multiple grids the land utilization data and the water system data are formed by many sources collected from many time phases and many dimensions.This study can provide the basis for the flood control and the disaster relief in this zone used as the numeral basis of“numeral Songhuajiang river”.The model of compound collecting land utilization information can reduce the work amount raises the work efficiency,applied in other geographic data bank construction.

关 键 词：土地利用 复合提取 松花江 

分 类 号：TV221.2[水利工程—水工结构工程]