Spatio-Temporal Evolution and Driving Forces of Rural Settlements Under the Background of Rapid Urbanization:A Case Study of Haikou City
Received date: 2019-12-04
Revised date: 2020-07-07
Online published: 2025-04-21
Based on remote sensing image classification and data interpretation,the spatio-temporal evolution characteristics and driving forces of rural settlements in Haikou City between 2000 and 2018 were quantitatively identified using the methods of the Kernel Density estimation,exploratory spatial data analysis and geographic detectors. Results showed that: 1) the number and area of the rural settlements have increased greatly in the past 20 years,and showed the character of "dense in the east while spare in the west" and spatial pattern of high-density small-scale agglomeration coexisting with low-density large-scale agglomeration. The scope of high-density areas has continuously expanded,and the distribution density has been significantly attenuated from the adjacent central urban areas to the east and south. Besides,the rural settlements tended to be relatively scattered,and the newly added residential areas were mainly located in the east and south of Haikou City with small and scattered features. 2) The spatial evolution of rural settlements in Haikou City is influenced by natural,location and policy factors. Among which,location factors have the most significant impact on the spatial pattern of rural settlements evolution. Especially,the road network density,accessibility to the center of the downtown area,and distance to the main road are the main driving forces of the spatial distribution of rural settlements. In addition,real estate development,various land use planning,protection and restriction policies also play important roles on the development and evolution of rural settlements.
SONG Wei , CHENG Yeqing , LIN Dan , YU Zhenxin , LUO Qiuge , ZHANG Jinping . Spatio-Temporal Evolution and Driving Forces of Rural Settlements Under the Background of Rapid Urbanization:A Case Study of Haikou City[J]. Economic geography, 2020 , 40(10) : 183 -190 . DOI: 10.15957/j.cnki.jjdl.2020.10.022
表1 不同高程范围内乡村居民点分布特征Tab.1 Rural settlements in different elevation zones in 2000 and 2018 |
指标名称 | Elevation<36 m | 36≤Elevation≤71 m | Elevation>71 m | |||||
---|---|---|---|---|---|---|---|---|
2000 | 2018 | 2000 | 2018 | 2000 | 2018 | |||
居民点个数 | 2 255 | 3 877 | 1 782 | 3 002 | 1 008 | 1 446 | ||
个数百分比(%) | 44.70 | 46.57 | 35.32 | 36.06 | 19.98 | 17.37 | ||
面积(km²) | 24.42 | 54.14 | 17.49 | 25.72 | 6.12 | 14.31 | ||
面积百分比(%) | 50.84 | 57.49 | 36.42 | 27.32 | 12.74 | 15.19 | ||
平均面积(km²/个) | 0.011 | 0.014 | 0.010 | 0.009 | 0.006 | 0.010 |
表2 不同坡度范围内乡村居民点分布特征Tab.2 Rural settlements in different slope zones from 2000 to 2018 |
指标名称 | SLOPE<3.63° | 3.63°≤SLOPE≤7.07° | SLOPE>7.07° | |||||
---|---|---|---|---|---|---|---|---|
2000 | 2018 | 2000 | 2018 | 2000 | 2018 | |||
居民点个数 | 2405 | 4160 | 1925 | 3080 | 715 | 1085 | ||
个数百分比(%) | 47.67 | 49.97 | 38.16 | 37.00 | 14.17 | 13.03 | ||
面积(km²) | 26.13 | 55.16 | 18.22 | 30.66 | 3.68 | 8.34 | ||
面积百分比(%) | 54.40 | 58.58 | 37.93 | 32.56 | 7.67 | 8.86 | ||
平均面积(km²/个) | 0.011 | 0.013 | 0.0010 | 0.010 | 0.005 | 0.008 |
表3 距离主要公路不同范围内乡村居民点分布特征Tab.3 Distribution characteristics of rural settlements in different distance from major highways |
指标名称 | 0~500 m | 500~1 000 m | 1 000~1 500 m | 1 500~2 000 m | >2 000 m | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2000 | 2018 | 2000 | 2018 | 2000 | 2018 | 2000 | 2018 | 2000 | 2018 | |||||
居民点个数 | 2 507 | 4 295 | 1 212 | 1 840 | 668 | 1 080 | 359 | 598 | 299 | 512 | ||||
个数占比(%) | 49.69 | 51.59 | 24.02 | 22.10 | 13.24 | 12.98 | 7.12 | 7.18 | 5.93 | 6.15 | ||||
面积(km²) | 37.47 | 55.16 | 13.33 | 15.97 | 7.10 | 9.47 | 3.52 | 6.69 | 3.58 | 6.87 | ||||
面积占比(%) | 57.65 | 58.58 | 20.50 | 16.96 | 10.92 | 10.06 | 5.42 | 7.10 | 5.51 | 7.30 | ||||
平均面积(km²/个) | 0.015 | 0.013 | 0.011 | 0.009 | 0.011 | 0.009 | 0.010 | 0.011 | 0.012 | 0.013 |
表4 距离主干河流不同距离的乡村居民点分布特征Tab.4 Distribution characteristics of rural settlements in different distances from the main river |
指标名称 | 0~1 000 m | 1 000~2 000 m | 2 000~3 000 m | 3 000~4 000 m | >4 000 m | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2000 | 2018 | 2000 | 2018 | 2000 | 2018 | 2000 | 2018 | 2000 | 2018 | |||||
居民点个数 | 2 297 | 3 518 | 1 439 | 2 467 | 762 | 1 225 | 320 | 594 | 227 | 521 | ||||
个数占比(%) | 45.53 | 42.26 | 28.52 | 29.63 | 15.10 | 14.71 | 6.34 | 7.14 | 4.50 | 6.26 | ||||
面积(km²) | 19.82 | 40.72 | 12.63 | 26.64 | 7.63 | 15.40 | 4.70 | 7.33 | 3.25 | 4.07 | ||||
面积占比(%) | 41.27 | 43.25 | 26.30 | 28.29 | 15.89 | 16.35 | 9.79 | 7.78 | 6.77 | 4.32 | ||||
平均面积(km²/个) | 0.009 | 0.012 | 0.009 | 0.011 | 0.010 | 0.013 | 0.015 | 0.013 | 0.014 | 0.008 |
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