The paper is to study the fluvial process based on GIS by cross-section methodology.
本文主要研究基于GIS的河床演变断面分析方法体系。
Based digital Terran information, river information application systems would be developed, such as erosion-deposition analysis, fluvial process, engineering planning and evaluation etc.
在数字地形的基础上可开发各种河道信息应用系统，如冲淤分析、河床演变、工程规划、灾情评估等。
However, the traditional analysis of data is inefficient which can not pick up the fluvial process information fully from the channel data.
传统的实测资料分析法存在分析效果差、效率低的缺陷，不能充分利用河道测图提取河床演变信息。
However, the traditional analysis of data is inefficient which can not pick up the fluvial process information fully from the channel data.
传统的实测资料分析法存在分析效果差、效率低的缺陷，不能充分利用河道测图提取河床演变信息。
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