基于GWR和改进CLUE—S模型的区域土地利用格局模拟研究——以浙江省桐庐县为例 |
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引用本文: | 邵一希,李满春,施玉麒,谭露,廖琦.基于GWR和改进CLUE—S模型的区域土地利用格局模拟研究——以浙江省桐庐县为例[J].上海地质,2011,32(4):31-37. |
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作者姓名: | 邵一希 李满春 施玉麒 谭露 廖琦 |
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作者单位: | 1. 上海市地质调查研究院,上海,200072 2. 南京大学地理与海洋科学学院,南京,210093 3. 香港中文大学,香港 |
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基金项目: | “十一五”国家科技支撑计划项目(2006BAJ05A02-4) |
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摘 要: | 本文以浙江省桐庐县为研究区,在CLUE.S模型空间分析模块的回归建模中,考虑驱动因子对土地利用格局影响的空间不稳定性,用GWRLogistic模型取代全局最小二乘法(OLS)LogisticD]lJ~模型来建立土地利用格局与其驱动因子之间的回归模型,实现了对CLUE—S模型的改进,并进行土地利用格局模拟的实证研究与模型比较。研究结果表明,运用GWRLogistic对CLUE—S模型进行改进,不但可以获得更高的模拟准确率,而且可以获得各驱动因子对土地利用格局影响的空间分异特征。同时,运用改进的模型定量地分析影响区域土地利用变化的内在机制,进行土地利用格局的动态模拟,预测土地利用未来变化的趋势,可以为桐庐县及其类似地区的土地利用规划决策提供科学依据。
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关 键 词: | 土地利用格局模拟 GIS应用 CLUE—S模型 地理加权回归 桐庐县 |
The Research on Land Use Pattern Simulation Using Geographically Weighted Regression and Improved CLUE-S |
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Authors: | SHAO Yi-Xi LI Man-Chun SHI Yu-Qi TAN Lu LIAO Qi |
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Institution: | SHAO Yi-Xi1,LI Man-Chun2,SHI Yu-Qi1,TAN Lu3,LIAO Qi2(1.Shanghai Institute of Geological Survey,Shanghai 200072,China,2.Nanjing University,Nanjing 210093,3.The Chinese University of Hong Kong,Hong Kong,China) |
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Abstract: | In this paper,Tonglu County in Zhejiang province is adopted as a case to build a geographically weighted regression analysis instead of OLS Logistic regression to improve the spatial analysis module of CLUE-S model for land use patterns simulation,in which the spatial non-stationary of driving factors on land use patterns change was taken into account.The simulation result is compared with those by OLS Logistic regression model.It is indicated that the improved CLUE-S model by GWR is not only able to increa... |
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Keywords: | land use pattern simulation GIS application CLUE-S model geographically weighted regression Tonglu County |
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