中国福州市中心城区城市热岛时空演变与空间网络优化建设

IF 3.4 2区 地球科学 Q2 ENVIRONMENTAL SCIENCES
Qiuyue Zhao, Kunyong Yu, Jianwei Geng, Jiqing Lin, Jingwen Ai, Jian Liu
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引用次数: 0

摘要

虽然加速城市化带来了经济繁荣,但也造成了城市热岛效应。因此,如何利用有限的城市空间缓解热岛效应已成为亟待解决的问题。在本研究中,我们评估了 2010 年至 2019 年中国福州市中心城区的城市热岛时空演变情况。该评估基于形态空间模式分析(MSPA)模型和使用最小累积阻力(MCR)模型构建的城市热环境空间网络。提出了空间网络的优化措施,为缓解城市热岛问题提供了理论依据。结果表明,研究区域内的热岛面积逐渐增大,而城市冷岛面积逐渐减小。在城市热岛斑块景观要素中,核心区面积最大,对其他景观要素影响显著,是城市热岛网络稳定性的重要基础因素。热环境网络共显示出 197 条热环境走廊和 93 个热岛源。然后根据当前土地利用情况对这些位置进行了优化,最大限度地发挥了 1599.83 公顷的潜力。根据当前土地利用情况进行的优化提高了气候适应能力,有效措施减少了热环境空间网络结构和功能,有助于缓解城市热岛问题。这些研究结果支持在规划城市热岛减缓措施时利用当前土地利用模式,从而为减轻城市热岛效应提供重要的参考依据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Spatiotemporal Evolution of Urban Heat Islands and Optimization of Spatial Network Construction in the Central Urban Area of Fuzhou City, China

Although accelerated urbanization has led to economic prosperity, it has also resulted in urban heat island effects. Therefore, identifying methods of using limited urban spaces to alleviate heat islands has become an urgent issue. In this study, we assessed the spatiotemporal evolution of urban heat islands within the central urban area of Fuzhou City, China from 2010 to 2019. This assessment was based on a morphological spatial pattern analysis (MSPA) model and an urban thermal environment spatial network constructed using the minimum cumulative resistance (MCR) model. Optimization measures for the spatial network were proposed to provide a theoretical basis for alleviating urban heat islands. The results show that the heat island area within the study area gradually increased while that of urban cold island area gradually decreased. The core area was the largest of the urban heat island patch landscape elements with a significant impact on other landscape elements, and represented an important factor underlying urban heat island network stability. The thermal environment network revealed a total of 197 thermal environment corridors and 93 heat island sources. These locations were then optimized according to the current land use, which maximized the potential of 1599.83 ha. Optimization based on current land use led to an increase in climate resilience, with effective measures showing reduction in thermal environment spatial network structure and function, contributing to the mitigation of urban heat island. These findings support the use of current land use patterns during urban heat island mitigation measure planning, thus providing an important reference basis for alleviating urban heat island effects.

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来源期刊
Chinese Geographical Science
Chinese Geographical Science 环境科学-环境科学
CiteScore
6.10
自引率
5.90%
发文量
63
审稿时长
3.0 months
期刊介绍: Chinese Geographical Science is an international journal, sponsored by Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, and published by Science Press, Beijing, China. Chinese Geographical Science is devoted to leading scientific and technological innovation in geography, serving development in China, and promoting international scientific exchange. The journal mainly covers physical geography and its sub-disciplines, human geography and its sub-disciplines, cartography, remote sensing, and geographic information systems. It pays close attention to the major issues the world is concerned with, such as the man-land relationship, population, resources, environment, globalization and regional development.
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