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Spatial Modeling Analysis of Bank Evolvement about Digital Riverbed

Author: ZhaoJiXiang
Tutor: DingXianRong
School: Hohai University
Course: Cartography and Geographic Information Systems
Keywords: Riverbed Evolution ArcGIS Engine Bottomland Three-dimensional modeling Contour DEM
CLC: P343.1
Type: Master's thesis
Year: 2007
Downloads: 155
Quote: 3
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Abstract


This paper is based on the measured data of the river terrain digitizing , spatial and temporal quantification and visualization , management the river terrain temporal and spatial correlation information , and evolution of information systems development riverbed riverbed evolution . Riverbed evolution based on the analysis of the basic method from GIS spatial analysis of the technical aspect , a more systematic study of the the fluvial process analysis method . Include: River Digital Terrain foundation created and the the riverbed evolution of digital analysis method and R \u0026 D . The river digital terrain model created mainly to provide the measuring point data to create a river terrain model DEM, including river triangular irregular network data model , the watercourses regular grid data model and river contour data model created . River triangulated irregular network data model river terrain models based on regular grid model and contour models are based on the river triangulated irregular network models created . Riverbed evolution of digital analysis is a quantitative analysis of river bottomland based on GIS technology evolution . Various bottomland landform types actually contour analysis alluvion , the shallows and heart beach is a closed elevation contours formed planar objects , while point non - closed contour point of view from the plane object , shore lines and shoals line can be connected to form closed planar object . Marshland evolution analysis module is the same elevation value contours formed closed polygonal surface to be measured , as well as the evolution of the realization of the analytical model bottomland .

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CLC: > Astronomy,Earth Sciences > Geophysics > Hydrological Sciences (water sector physics) > Land hydrology, hydrology (water phenomenology ) > River
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