Journal of Geo-information Science >
Evaluation of Human Suitability of Human Settlement Environment in Anhui Province based on Grid
Received date: 2020-07-04
Request revised date: 2020-10-29
Online published: 2021-08-25
Supported by
University Natural Science Research Project of Anhui Province(KJ2019A0496)
Copyright
The construction of new urbanization puts forward practical requirements for a suitable human settlement environment in the new period. By using GIS technology, based on multi-source data such as Nighttime Light (NTL) data, traffic network vectors data, Points of Interest (POI) data, and statistical yearbooks, we selected the economic level, transportation accessibility, historical culture, and public service as impact factors of the suitability of human settlement environment (weights were 0.36, 0.27, 0.17, 0.20, respectively) on the basis of 500 m × 500 m grid unit. We quantitatively evaluated the human suitability of human settlement environment in Anhui Province in 2017 using a synthetical index method to construct the human suitability evaluation model. The results show that: (1) the human suitability index of human settlements in Anhui Province ranged from 0.83 to 87.10. The human settlement environment could be divided into five types: highly suitable areas, relatively suitable areas, moderately suitable areas, general suitable areas, and critical suitable areas. The area of moderately suitable areas was the largest, accounting for 68.72% of the whole province, while the area of highly suitable areas was the smallest, accounting for only 1.24% of the whole province. The spatial heterogeneity of human settlement suitability was characterized by "Multi-core" and "striped" patterns; (2) the transport accessibility and public service were the main factors that led to difference in human suitability of human settlements in the province, with an average index of 94.18 in the moderate suitable areas, and an average contribution rate of 34% in all types of regions. Besides, the historical culture had a significant impact on higher and critically suitable areas, with an average contribution rates of 10.51% and 10.53%, respectively, while the economic level had the most significant contribution to the highly suitable areas, with an average contribution rate of 22.02%; and (3) nearly 90.86% of the population in the province was concentrated in the regions with human suitability index of 43.00~66.00 (i.e., moderate to the high suitable areas), which implied that the human quality of human settlements matches the population distribution. In conclusion, our evaluation results objectively reflect the baseline of the human settlements in Anhui Province.
LI Dawei , HUANG Weiwei , SHEN Fei , CHENG Yu , CHEN Mingyang . Evaluation of Human Suitability of Human Settlement Environment in Anhui Province based on Grid[J]. Journal of Geo-information Science, 2021 , 23(6) : 1017 -1027 . DOI: 10.12082/dqxxkx.2021.200346
表1 2017年安徽省历史文化因子分类Tab. 1 Classification of historical and cultural factors in Anhui Province in 2017 |
类别 | 数量/条 | 示例 |
---|---|---|
历史文化传统(名)村落 | 487 | 范岗镇新西村、城关镇沈丘集村 |
省文物保护单位 | 447 | 人字洞遗址、龙潭洞遗址 |
宗教建筑 | 2590 | 寺庙、道观、教堂、祠堂 |
风景名胜(人文) | 2291 | 周瑜墓、曹操运兵道 |
表2 2017年安徽省公共服务POI数据分类Tab. 2 Public service POI data classification in Anhui Province in 2017 |
POI类别 | 次级因子 | 数量/条 |
---|---|---|
购物 | 超市,商场,市场 | 20 665,1402,1820 |
医疗 | 医院,社区(村)卫生室,药店 | 1250,15 580,10 802 |
教育 | 大学,普通高中,小学 | 119,3890,8549 |
科技文化 | 图书馆,文化宫,科研机构(除去企业所属),科技馆 | 431,1133,1949,72 |
图3 2017年安徽省各单因子指数及人居环境人文适宜性指数空间分布Fig. 3 Spatial distribution of the single factor index and human settlement environment humanity suitability index in Anhui Province in 2017 |
表3 2017年安徽省人居环境人文适宜性评价Tab. 3 Evaluation of humane suitability of human settlement environment in Anhui Province in 2017 |
类型区 | 人文适宜性指数 | 土地 | 人口 | 人口密度/ (人/500 m2) | |||
---|---|---|---|---|---|---|---|
面积/km2 | 比例/% | 总数/万人 | 比例/% | ||||
高度适宜区 | 58.40~87.10 | 1208.97 | 1.24 | 908.86 | 14.53 | 1423 | |
较高适宜区 | 48.32~58.40 | 14 808.93 | 15.24 | 1311.15 | 20.96 | 168 | |
中度适宜区 | 42.28~48.32 | 66 775.83 | 68.72 | 3757.22 | 60.07 | 107 | |
一般适宜区 | 34.52~42.28 | 11 287.72 | 11.62 | 265.52 | 4.25 | 45 | |
临界适宜区 | 0.83~34.52 | 3088.52 | 3.18 | 12.05 | 0.19 | 8 |
图5 2017年安徽省不同适宜区各单因子指标曲线Fig. 5 The single factor index curve of different suitable areas in Anhui Province in 2017 |
图6 2017年安徽省不同适宜区各单因子指标贡献率曲线Fig. 6 Contribution rate curve of each single factor index in different suitable areas in Anhui Province in 2017 |
表4 2017年安徽省人居环境人文适宜性分区指标特征Tab. 4 The characteristics of the zoning indicators of human settlements in Anhui Province in 2017 |
![]() | 经济水平指数 | 交通通达指数 | 历史文化指数 | 公共服务指数 | ||||
---|---|---|---|---|---|---|---|---|
指数均值 | 第二、第三产业比重/% | 指数均值 | 耗时均值/min | 指数均值 | 每万人 占有数/个 | 指数 均值 | 耗时均值 /min | |
高度适宜区 | 64.42 | 99.66 | 98.82 | 4.94 | 24.11 | 4.57 | 99.35 | 1.80 |
较高适宜区 | 12.86 | 94.48 | 97.92 | 9.49 | 23.83 | 1.86 | 98.02 | 6.05 |
中度适宜区 | 1.08 | 77.55 | 94.22 | 19.98 | 7.39 | 0.79 | 94.18 | 13.83 |
一般适宜区 | 0.15 | 39.79 | 73.88 | 50.94 | 9.11 | 0.23 | 74.65 | 40.89 |
临界适宜区 | 0.06 | 12.53 | 33.28 | 103.77 | 6.87 | 2.47 | 36.67 | 89.09 |
表5 2017年人居环境人文适宜性分区贡献率均值Tab. 5 Average contribution rate of human settlements and humanistic suitability in 2017 (%) |
类型区 | 经济水平指数 贡献率均值 | 交通通达指数 贡献率均值 | 历史文化指数 贡献率均值 | 公共服务指数 贡献率均值 |
---|---|---|---|---|
高度适宜区 | 22.02 | 34.69 | 8.41 | 34.88 |
较高适宜区 | 5.40 | 42.02 | 10.51 | 42.07 |
中度适宜区 | 0.54 | 47.60 | 4.28 | 47.58 |
一般适宜区 | 0.11 | 47.22 | 5.19 | 47.48 |
临界适宜区 | 0.12 | 40.08 | 11.93 | 47.57 |
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