兰西城市群品质城市建设水平的时空变化及其影响因素研究

doi:10.12118/j.issn.1000–6060.2021.184

Abstract

Abstract:

The construction of a quality city is an important part in response to the strategy of ecological civilization, high-quality development, and new urbanization. This paper investigates the evaluation of quality city construction level of Lanzhou-Xining urban agglomeration, northwest China from eight dimensions of land use, economy, society, ecology, environmental protection, transportation, municipal administration, and image quality using 30 cities (counties) of Lanzhou-Xining urban agglomeration as the research object and urban built-up area as the basic spatial unit. The results show that: (1) In terms of time series, the overall quality of each city continues to improve, and the quality construction is at a relatively low level; Each city’s change in sub-dimension quality is complex, and there are many different types of change, such as stable type, promotion type, first-decline-and-then-rise type, first-rise-and-then-fall type, mixed type, and so on. (2) The change in space pattern from “double core” to “multi-core coexistence” characterizes the comprehensive quality of each city. The quality difference of the dimension is large and the distribution is not balanced. (3) There are significant differences in the contribution of sub-dimension quality among cities. Identifying feature cities emerge gradually, dividing into three types: single dimension, two-dimension, and multi-dimension dominant. (4) There are numerous factors that influence the quality of a city, in a series as built-up area size>population size>per capita GDP>urbanization rate>external transportation>topographic relief. City scale is the main influencing factor of quality city construction in Lanzhou-Xining urban agglomeration, urbanization rate and per capita GDP are the secondary influencing factors, and natural factors are the weakest, but they belong to the basic role.

Key words: Lanzhou-Xining urban agglomeration, quality city, spatiotemporal variation, influencing factors

LUO Zhanfu,LI Xiaohui,LEI Dehong,YANG Zhuolong. Spatiotemporal variation of quality city construction level and its influencing factors in Lanzhou-Xining urban agglomeration[J].Arid Land Geography, 2022, 45(1): 237-250.

Figures/Tables 11

Fig. 1

Tab. 1

Evaluation index system of quality city"

一级指标（权重）	二级指标	权重	指标解释
用地品质（0.1254）	人均建设用地达标率/%	0.0212	反映了城市建设用地的集约节约利用水平
	居住用地达标率/%	0.0240	通过城市五大类建设用地与《城市用地分类与规划建设用地标准》GB50137-2011规定的用地结构比例进行比较,反映城市用地结构的合理性
	工业用地达标率/%	0.0156
	公服用地达标率/%	0.0215	同上
	道路用地达标率/%	0.0217	同上
	绿地达标率/%	0.0215	同上
社会品质（0.1284）	人均公共管理与服务设施用地/m²·人^-1	0.0447	反映了城市管理和公共服务设施的建设能力
	万人医疗卫生床位数/个·(10⁴人)^-1	0.0441	体现了城市提供医疗服务的能力与医疗设施的水平
	万人公共厕所数/个·(10⁴人)^-1	0.0396	公共厕所体现一座城市的整体形象和文明程度
经济品质（0.1218）	居民人均可支配收入/元·人^-1	0.0385	用以衡量城市居民收入水平和生活水平
	人均生产用地面积/m²·人^-1	0.0374	反映了城市产业发展水平和保证城市发展的后续动力
	单位建设用地固定投资额/10⁴元·km^-2	0.0460	反映了城市的投资建设能力
生态品质（0.1291）	人均绿地用地面积/m²·人^-1	0.0381	反映了城市的生态自我调节和安全水平
	建成区绿地率/%	0.0451	以生态空间的比重表征城市生态建设的规模
	绿化覆盖率/%	0.0459	是生态环境保护状况的重要指标,用以表征城市生态建设水平
环保品质（0.1261）	生活垃圾处理率/%	0.0400	是改善生活环境的必要手段,反映城市环境保护水平
	污水处理率/%	0.0346	反映了城市对水环境的保护和治理力度,以及对水资源循环利用水平
	人均垃圾产生量（-）/kg·人^-1	0.0251	反映了城市公民的环保意识和文明素养水平
	燃气普及率/%	0.0265	天然气属于清洁能源,反映了城市对清洁能源的使用水平和环保品质
交通品质（0.1243）	建成区路网密度/km·km^-2	0.0423	反映了城市道路网通行效率和承载能力
	人均道路面积/m²·人^-1	0.0460	综合反映了一个城市交通的拥挤程度
	人均人行道面积/m²·人^-1	0.0360	反映了城市慢性系统建设水平及其交通的安全性
市政品质（0.1237）	人均日生活用水量/L·人^-1	0.0323	反映了城市的生活用水的宽裕水平
	建成区供水管道密度/km·km^-2	0.0287	反映了城市生活用水的安全供水水平
	供水普及率/%	0.0302	反映了城市居民生活用水的保障水平
	人均公用设施建设用地面/m²·人^-1	0.0325	反映了城市市政设施的建设水平
形象品质（0.1211）	道路清洁率/%	0.0364	反映了城市的清洁度和整洁水平
	道路照明灯密度/盏·km^-1	0.0436	反映了城市的夜间照明水平和社会安全水平
	人均公园绿地面积/m²·人^-1	0.0411	反映了城市的景观面貌建设水平

Tab. 1

Tab. 2

Fig. 2

Fig. 3

Fig. 4

Tab. 3

Fig. 5

Fig. 6

Fig. 7

Tab. 4

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等级名称	综合品质指数范围
高等品质（Ⅰ级）	（0.8, 1.0]
较高品质（Ⅱ级）	（0.6, 0.8]
中等品质（Ⅲ级）	（0.4, 0.6]
较低品质（Ⅳ级）	（0.2, 0.4]
低等品质（Ⅴ级）	（0.0, 0.2]

维度	类型	2010年	2014年	2018年
单维度主导型	用地品质	积石山县	永登县、陇西县、积石山县、民和县	积石山县、化隆县
	环保品质	共和县、兰州市	临洮县、定西市和临夏市	渭源县、临洮县和临夏市
	生态品质		湟中县、循化县和贵德县	湟中县、湟源县、循化县、共和县和贵德县
	市政品质	湟源县、靖远县	东乡县	东乡县
	交通品质		贵南县	贵南县
	形象品质	西宁市
双维度主导型	生态品质-环保品质	永登县		永靖县、大通县
	用地品质-环保品质	皋兰县、陇西县、渭源县、永靖县		永登县、皋兰县、景泰县、陇西县、民和县、海晏县和定西市
	环保品质-交通品质	榆中县
	环保品质-市政品质	景泰县、尖扎县
	交通品质-市政品质	东乡县
	社会品质-市政品质	海晏县
	市政品质-形象品质			海东市
多维度主导型	用地品质-环保品质-市政品质	同仁县

年份	影响因素	城镇化率（X₁）	人均GDP（X₂）	人口规模（X₃）	建成区规模（X₄）	地形起伏度（X₅）	对外交通（X₆）
2010	城镇化率（X₁）	0.535
	人均GDP（X₂）	0.763	0.375
	人口规模（X₃）	0.615	0.783	0.516
	建成区规模（X₄）	0.774	0.799	0.650	0.633
	地形起伏度（X₅）	0.828	0.621	0.736	0.764	0.033
	对外交通（X₆）	0.846	0.934	0.787	0.757	0.586	0.208
2014	城镇化率（X₁）	0.279
	人均GDP（X₂）	0.705	0.341
	人口规模（X₃）	0.672	0.826	0.503
	建成区规模（X₄）	0.631	0.786	0.594	0.534
	地形起伏度（X₅）	0.548	0.542	0.709	0.709	0.041
	对外交通（X₆）	0.803	0.696	0.599	0.700	0.663	0.162
2018	城镇化率（X₁）	0.190
	人均GDP（X₂）	0.524	0.223
	人口规模（X₃）	0.702	0.736	0.282
	建成区规模（X₄）	0.478	0.624	0.446	0.374
	地形起伏度（X₅）	0.638	0.767	0.714	0.653	0.083
	对外交通（X₆）	0.530	0.698	0.621	0.543	0.683	0.107

Spatiotemporal variation of quality city construction level and its influencing factors in Lanzhou-Xining urban agglomeration

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