Relief Degree of Land Surface in Hubei Province Studied Based on ASTERGDEM Data and Its Correlations with Population Density and Economic Development

CAI Daoming; LI Bai; XU Wensheng; ZHANG Pingcang; HUI Bo

doi:10.13961/j.cnki.stbctb.2017.05.038

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Relief Degree of Land Surface in Hubei Province Studied Based on ASTERGDEM Data and Its Correlations with Population Density and Economic Development

- Relief Degree of Land Surface in Hubei Province Studied Based on ASTERGDEM Data and Its Correlations with Population Density and Economic Development
- Bulletin of Soiland Water Conservation Vol. 37, Issue 5, Pages: 231-234(2017)
- 作者机构：
  
  1. 长江科学院水土保持研究所,湖北,武汉,430010
  2. 中国水利水电科学研究院泥沙研究所,北京,100048
  3. 黄河水利委员会绥德水土保持科学试验站, 陕西绥德,718000
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2017.05.038
  CLC：
- Published：2017
- 稿件说明：
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CAI Daoming, LI Bai, XU Wensheng, et al. Relief Degree of Land Surface in Hubei Province Studied Based on ASTERGDEM Data and Its Correlations with Population Density and Economic Development[J]. Bulletin of Soiland Water Conservation, 2017, 37(5): 231-234.
DOI：

CAI Daoming, LI Bai, XU Wensheng, et al. Relief Degree of Land Surface in Hubei Province Studied Based on ASTERGDEM Data and Its Correlations with Population Density and Economic Development[J]. Bulletin of Soiland Water Conservation, 2017, 37(5): 231-234. DOI： 10.13961/j.cnki.stbctb.2017.05.038.

摘要

[目的] 探讨湖北省地形起伏度及其与人口和经济的定量关系，为制定合理的人口经济政策、引导人口经济合理布局和治理生态环境等方面提供科学依据。[方法] 采用邻域分析法、均值变点法等方法，确定湖北省地形起伏度最佳统计单元，根据分级标准绘制湖北省地形起伏度分级图，并分析地形起伏度对研究区人口和经济分布的影响。[结果] 湖北省地势整体上以平原、丘陵为主，平原地貌类型主要分布在江汉平原，丘陵主要分布在黄冈北部、咸宁、黄石南部、鄂西北和鄂西南大部，两者占湖北省面积的70%。随着地形起伏度的增加，县域人口密度和经济密度逐渐降低，呈显著负相关，而且县域地形起伏度越小，人口密度和经济密度在垂直方向越分散。[结论] 地形起伏度与县域人口密度和经济密度有负相关性，对区域人口和经济分布有一定的影响。

Abstract

[Objective] To Investigate the relief degree of land surface in Hubei Province and illustrate its quantitative correlations with population and economy

in order to provide scientific grounds for the formulation of reasonable policy of population and economy

and the guidance of reasonable distribution of population and economy

as well as the governance of ecological environment.[Methods] The best statistical units for relief degree in Hubei Province were determined using neighborhood analysis

mean change point analysis. The relief degree classification map of Hubei Province was drawn according to the given classification criteria and the influence of relief degree on the distributions of population and economy were analyzed in the investigated region.[Results] The landform generally constituted by plains and hills in Hubei Province. Plains mainly distributed in Jianghan Plain

and the hills mainly distributed in Northern Huanggang

Xianning

Southern Huangshi

Northern Exi and most parts of Southern Exi. These two landforms cover 70% of the total area of Hubei Province. With the increase of the relief degree of land surface

county population density and economic density was both gradually decreased. The smaller the relief degree of counties was

the more vertically scattered of population density and economic density.[Conclusion] There was a negative correlation between the relief degree and population density and economic density

and the relief degree of land surface has strong negative impacts on the distributions of population and economy.

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