Floodplain morphometry extraction from a high-resolution digital elevation model: a simple algorithm for regional analysis studies

Dodov B.A.; Foufoula-Georgiou E.

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Floodplain morphometry extraction from a high-resolution digital elevation model: a simple algorithm for regional analysis studies

机译：从高分辨率数字高程模型提取洪泛区形态计量：用于区域分析研究的简单算法

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This letter introduces a fast algorithm for floodplain delineation. The underlying assumption of the proposed procedure is that the inundation depth used to define the lateral extent of the "geomorphologic floodplain" is proportional to the depth of the channel at bankfull flow, a relationship that emerged from a detailed and objective regional analysis. The bankfull and floodplain geometries extracted with the proposed algorithm over a wide range of scales revealed important connections between fluvial and hydrologic processes and showed that the nature of these connections is scale dependent.

机译：这封信介绍了洪泛区划定的快速算法。拟议程序的基本假设是，用于定义“地貌洪泛区”横向范围的淹没深度与银行满员流量时河道的深度成正比，这种关系是通过详细而客观的区域分析得出的。用提出的算法在很宽的尺度上提取的堤岸和洪泛区的几何形状揭示了河流和水文过程之间的重要联系，并表明这些联系的性质与规模有关。

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《IEEE Geoscience and Remote Sensing Letters》 |2006年第3期|p.410-413|共4页
作者
Dodov B.A.; Foufoula-Georgiou E.;
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正文语种 eng
中图分类测绘遥感技术;
关键词
floods; geomorphology; hydrological techniques; rivers; terrain mapping; bankfull geometry; digital elevation model; floodplain delineation; floodplain geometry; floodplain morphometry extraction; fluvial process; geomorphologic analysis; hydrologic process; objectiv;

机译：洪水;地貌学;水文技术;河川;地形制图;河岸全几何;数字高程模型;洪泛区划定;洪泛区几何;洪泛区形态提取;河流过程;地貌分析;水文学过程;目标;

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机译：GeosaR：一种在区域尺度上获取高分辨率，真实地面，数字高程模型的系统

Floodplain morphometry extraction from a high-resolution digital elevation model: a simple algorithm for regional analysis studies

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