
喀斯特地区水资源与社会经济的时空匹配特征
蒋佩东, 董前进, 赵先进
喀斯特地区水资源与社会经济的时空匹配特征
Spatio-temporal Matching Characteristics of Water Resources and Social Economy in Karst Areas ——A Case Study of Guizhou Province
为确定喀斯特地区水资源和社会经济要素(GDP,人口)之间的匹配关系,提出了一种基于夹角结构权重的基尼系数,并将其与传统基尼系数以及基于区位熵的基尼系数进行比较。以典型喀斯特地区贵州省2000-2018年的统计数据为例,运用以上3种方法进行计算,并对相应的时间序列进行自相关分析,再通过空间分组方法对贵州省内的九个行政区的空间变化进行分析。结果表明,贵州省水资源与GDP匹配程度在时间上较稳定,但空间上差异较大;而水资源与人口的匹配程度在时间上逐渐减弱,但在空间上则差异较小。因此,应根据不同行政区的匹配特点因地制宜地采用对应措施,协调水资源与社会经济发展之间的关系。
In order to determine the matching relationship between water resources and social economic factors (e.g. GDP, population) in karst areas, this paper proposes a gini coefficient based on the structural weight of included angle, and compares it with traditional gini coefficients and gini coefficients based on the entropy of the region. Taking the statistical data of the typical karst area in Guizhou Province, China from 2000 to 2018 as an example, this paper uses the above three methods to analyze the matching characteristics between water resources and social economy of Guizhou Province, and the autocorrelation analysis is used to the corresponding time series of nine administrative regions in Guizhou Province, the spatial change of nine administrative regions in Guizhou Province based on spatial grouping analysis is also studied. The results show that the matching degree of water resources and GDP in Guizhou Province is stable in time, but different in space, while the matching degree of water resources and population gradually decreases in time, but the difference is small in space. Therefore, the suitable measures should be adopted according to the matching characteristics of different administrative regions and the relationship between water resources and social economic development should be coordinated.
匹配特征 / 基尼系数 / 结构权重 / 区位熵 / 喀斯特地区 {{custom_keyword}} /
matching feature / gini coefficient / structural weight / entropy of region / karst area {{custom_keyword}} /
表1 基尼系数与匹配关系Tab.1 Gini coefficient and matching feature |
基尼系数 | <0.2 | 0.2~0.3 | 0.3~0.4 | 0.4~0.5 | >0.5 |
---|---|---|---|---|---|
匹配关系 | 绝对匹配 | 相对匹配 | 匹配比较合理 | 相对不匹配 | 极不匹配 |
图2 2000-2018年贵州省水资源量与社会经济要素的基尼系数变化Fig.2 Gini coefficients between water resources and social economic factors in Guizhou province from 2000 to 2018 |
图5 各基尼系数时间序列的自相关图Fig.5 Self-correlation graph of the gini coefficient time series |
表2 各基尼系数时间序列的变异系数Tab.2 Coefficients of variation of the gini coefficient time series |
变异系数 | GDP | 人口 | |||||
---|---|---|---|---|---|---|---|
EGI | SGI | GI | EGI | SGI | GI | ||
0.18 | 0.16 | 0.17 | 0.41 | 0.73 | 0.72 |
图6 2000年、2018年贵州省各行政分区水资源与GDP的GI、EGI、SGI的空间变化Fig.6 Spatial changes of GI, EGI and SGI between water resources and GDP in 2000 and 2018 |
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