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中国气候变化脆弱性:空间演变与驱动因素。

The climate change vulnerability of China: spatial evolution and driving factors.

机构信息

School of Public Administration, Zhejiang University of Technology, Zhejiang, 310023, Hangzhou, China.

Zhejiang Economic Information Centre, Zhejiang, 310025, Hangzhou, China.

出版信息

Environ Sci Pollut Res Int. 2021 Aug;28(29):39757-39768. doi: 10.1007/s11356-021-13513-5. Epub 2021 Mar 24.

Abstract

To cope with climate change, it is of great importance to describe the temporal and spatial evolution of climate change vulnerability and its driving factors. Therefore, this paper establishes a comprehensive index of vulnerability to climate change based on the vulnerability scoring diagram (VSD) framework. Moran's I index is used to study the spatial evolution characteristics of vulnerability, and spatial regression analysis is used to explore the factors influencing the spatial distribution of vulnerability. The results show that (1) the climate change vulnerability of China has decreased over time, and the sensitivity state is relatively stable; however, the annual change in exposure and adaptive capacity is significant. (2) The western region of China is more vulnerable than the eastern region, and the most vulnerable provinces are Guizhou and Gansu. (3) The regional vulnerability is generally in a significant spatial agglomeration state. (4) Finally, the driving factors of the spatial distribution of climate change vulnerability include forest coverage, the urban-rural income gap and information technology. These recommendations provide detailed discussions and scientific information for mitigating global warming and formulating long-term emission reduction targets, thereby optimizing resource allocation and providing spatial governance directions for the formulation of adaptation policies.

摘要

应对气候变化,描述气候变化脆弱性及其驱动因素的时空演变具有重要意义。因此,本文基于脆弱性评分图(VSD)框架,建立了一个气候变化脆弱性综合指数。采用 Moran's I 指数研究脆弱性的空间演变特征,利用空间回归分析探讨影响脆弱性空间分布的因素。结果表明:(1)中国气候变化脆弱性随时间呈下降趋势,敏感性状态相对稳定,但暴露度和适应能力的年际变化显著;(2)中国西部地区比东部地区脆弱性更大,最脆弱的省份是贵州和甘肃;(3)区域脆弱性普遍处于显著的空间集聚状态;(4)最后,气候变化脆弱性空间分布的驱动因素包括森林覆盖率、城乡收入差距和信息技术。这些建议为缓解全球变暖提供了详细的讨论和科学信息,并为制定长期减排目标提供了参考,从而优化了资源配置,并为适应政策的制定提供了空间治理方向。

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