首页 > 过刊浏览>2023年第42卷第4期 >64-73. DOI:10.13300/j.cnki.hnlkxb.2023.04.008
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武汉市极端气温与生态空间景观格局的影响指数及耦合特征
CSTR:
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作者:
作者单位:

华中农业大学园艺林学学院，武汉430070

作者简介:

张晓思，E-mail：zhangxiaosi@webmail.hzau.edu.cn

通讯作者:

邵继中，E-mail：shao.j.z@hotmail.com

中图分类号:

TU986

基金项目:

国家自然科学基金面上项目（51878339）；中央高校基本科研业务费专项（11042010016；2662021JC009）；江苏省社会科学基金一般项目（19GLB006）；江苏省高校哲学社会科学研究重大项目（2019SJZDA020）；住建部国际科技合作项目（H20220018）


Influencing indexes and coupling characteristics of extreme temperature and ecological spatial pattern of landscape in Wuhan
Author:
Affiliation:

College of Horticulture & Forestry Sciences， Huazhong Agricultural University， Wuhan 430070， China

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    摘要:

    为解析气候变化与城市生态空间格局降温效应的变化特征及两者的协调机制，通过构建指标、函数模型、数理统计等方法对武汉市2000、2010、2020年的极端气温与具有降温效应的城市生态空间格局进行量化分析，结果显示：2000、2010、2020年的极端气温综合指数分别为10.752 5、21.888 2和3.257 5，城市生态空间景观格局综合指数分别为13 032.0、11 834.4和10 0186.5；与降温效应呈正相关的格局指数：斑块类型面积、斑块所占景观面积比例、斑块数量、斑块密度、最大斑块占景观面积比例、景观形状指数平均斑块面积、平均分维数、聚集度、结合度、邻近度在2020年数值相对早年偏小，表明武汉市生态空间的降温效应逐渐被削弱；2000、2010、2020年极端气温综合指数与城市生态空间格局综合指数的协调程度由中级协调逐降为严重失调，意味着武汉市生态空间的降温效应对极端气温的缓解作用逐渐降低。

    Abstract:

    Quantitative analyses were conducted on the extreme temperatures and urban ecological spatial patterns with cooling effects in Wuhan in 2000， 2010， and 2020 by constructing indexes， functional models， and mathematical statistics to analyze the evolutionary characteristics of climate change and the cooling effect of urban ecological spatial pattern and the coordination mechanism between them. The results showed that the comprehensive index of extreme temperatures in Wuhan in 2000， 2010， and 2020 showed a trend of first increasing and then decreasing， while the overall index of urban ecological spatial pattern showed a trend of decreasing. The pattern indices including CA， NP， PLAND， LPI， LSI and AI， that were positively correlated with cooling effects， all exhibited linear or fluctuating decline characteristics within 20 years. It is indicated that the cooling effect of ecological space in Wuhan has gradually been weakened. The coordination degree between the comprehensive index of extreme temperature and the comprehensive index of urban ecological spatial pattern in 2000， 2010， and 2020 gradually decreased from intermediate coordination to severe imbalance， indicating that the cooling effect of ecological space in Wuhan on alleviating extreme temperature is gradually decreasing.

    表 5 2000、2010、2020年生态空间格局指数测算结果Table 5 Results of ecological spatial pattern index measurement 2000，2010，2020
    表 3 耦合协调度等级划分标准Table 3 Classification criteria of coupling coordination level
    表 1 极端气温指数指标Table 1 Extreme climate index indicators
    表 7 极端气温综合指数与城市生态空间格局综合指数协调度计算结果Table 7 Results of calculation of the coordination degree of the comprehensive index of extreme climate and the comprehensive index of urban ecological and spatial pattern
    表 4 极端气温指数计算结果Table 4 Calculation results of extreme temperature index
    图1 城市生态空间与高温气候的联系Fig.1 Linkage between urban ecological space and high temperature climate
    表 6 2000、2010、2020年各类用地面积Table 6 Area for each type of land during 2000，2010，2020
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张晓思,邵继中,林润泽,李坤洋,谭嫣然,张雪茵.武汉市极端气温与生态空间景观格局的影响指数及耦合特征[J].华中农业大学学报,2023,42(4):64-73

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  • 收稿日期:2022-11-01
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