[1]HU Man-qin,HU Yue-ming,LIU Zhen-hua.Evaluation of Intensive Construction Land Use in Guangzhou City[J].Research of Soil and Water Conservation,2014,21(02):162-166.
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Evaluation of Intensive Construction Land Use in Guangzhou City
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
21
Number of periods:
2014 02
Page number:
162-166
Column:
Public date:
2014-04-28
- Title:
- Evaluation of Intensive Construction Land Use in Guangzhou City
- Keywords:
- principal component analysis (PCA); BP neural network; construct land; intensive land utilization; Guangzhou City
- CLC:
- F301.2
- DOI:
- -
- Abstract:
- The degree of urban intensive land utilization is directly related to the problem of the sustainable use in regional land, how to measure the degree of intensive land utilization is a complex and important process. Based on 1990—2007 Guangzhou City construction land data and various socio-economic data, an evaluation index system for intensive use of construction land was established. Integration of principal component analysis and BP neural network evaluation model were used to calculate land intensity, and compare with the result from former through fuzzy comprehensive evaluation. The results showed that the overall intensity of land use in Guangzhou City had progressively increased, the level of intensive use was at a primary stage during period from 1990 to 1994 and 1996 to 1997, in 1995 and 1998—2003 at a moderate intensive stage, in 2004—2007 at a highly intensive stage. The average error between principal component analysis, BP neural network evaluation methods and fuzzy comprehensive evaluation method is 4.37%.
- References:
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