荆江河道变迁信息系统研究

STUDY OF THE INFORMATION SYSTEM OF JINGJIANG RIVER CHANNEL'S CHANGES

本文在前人研究荆江河道变迁工作的基础上,在先进的地理信息系统(GIS)应用软件ARC/INFO支持下,系统地恢复了荆江各个历史时期的河道图,建立了荆江河道变迁数据库,它为荆江研究和长江中游防汛工作提供了部分基础资料。利用该数据库进行了下列研究:计算河道长度和曲折率,河道变迁动态检测,河道变迁动态模似演示。

On the basis of the existing research results of Jingjiang River channel's changes, and with the help of the advanced GIS's applied software-ARC/INFO, this paper has systematically recovered the maps of Jingjiang River channel in different historical periods and established the data base of Jingjiang River channel's changes, Thus it has supplied the fundamental data for both the research of Jingjiang River channel and the flood control of the middle reaches of Changjiang River. This data base can also be applied in the following ways:1)calculation of river's length and curvature; 2)dynamic monitor of river channel's changes;3)dynamically simulated demonstration of river channel's changes; etc.