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The Urban Population Dynamic Distribution Simulation at Day’s Based on GIS

Author: YangHai
Tutor: TianYongZhong
School: Southwestern University
Course: Cartography and Geographic Information Systems
Keywords: Urban population GIS Dynamic Simulation Beibei District
CLC: P208
Type: Master's thesis
Year: 2011
Downloads: 112
Quote: 0
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Abstract


The city is a place of the highest concentration of population , the people engaged in a variety of day-to-day activities in the city . Real-time control of the day urban population dynamic distribution has important theoretical and practical significance . The space of the main contents of present urban population , including demographic data space and the use of high-resolution remote sensing image estimate urban population space of both . In this study , the authors based on GIS technology , the use of high-resolution remote sensing images , combined with field surveys to Beibei built-up area , for example , building research unit , put forward ideas and methods to establish the date of the urban population dynamic distribution model , focus on simulation of a residential building and administrative office building , the population Day high spatial resolution dynamic distribution , and the simulation results are verified . The main research content and research , including the following aspects : ( 1 ) a method of obtaining high-resolution images with the geographical coordinates using Google Earth ; ② establish distribution vector classification system applies to the urban population of the urban population day dynamic distribution model ; ③ introduced urban static population estimation methods , and the method validation ; ④ according to the results of the field survey data and image interpretation , to establish the date of the urban population dynamic distribution model based on the building type , time variable factor to achieve high-resolution rate of urban population day dynamic distributed simulation ; ⑤ pad model results grid , and automatic calculation of the model using C # ArcGIS Engine . The last of the characteristics and inadequacies of the results of this study were discussed proposed the idea of the establishment of the more precision cities Population Day dynamic distribution estimation model . The results show that , based GIS technology is a high time resolution , high spatial resolution of the urban population day dynamic distribution model has certain theoretical significance , the population distribution trends similar to the simulation results of the model with reality higher , but its The simulation accuracy remains to be further improved.

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CLC: > Astronomy,Earth Sciences > Surveying and Mapping > General issues > Mapping database and information system
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