武汉城镇化与热岛效应的定量研究Quantifying urbanization and its impact on urban heat island effect in Wuhan
谢启姣,陈昆仑,金贵
摘要(Abstract):
针对目前城市化进程加快对城市增温和城市热岛效应的促进作用尚不十分明确的问题,提出基于遥感技术的城镇化与热岛效应数量关系的构建。结果表明,1987-2013年间,武汉市中城镇化水平(50%~80%ISA)面积增加了14.5倍,高城镇化水平(80%~100%ISA)面积增加了2.8倍,城镇化范围沿着武汉市主城区和主要干道不断扩张;不透水面值与地表温度表现出明显正相关,不透水面值平均增加1%,可使地表温度增温0.06℃~0.19℃,城镇化水平对武汉城市热岛效应作用明显。研究结果为探讨城市热岛效应的缓解对策提供了基础,对合理规划和管理城市化意义重大。
关键词(KeyWords): 遥感;城镇化;不透水面;热岛效应;地表温度;定量
基金项目(Foundation): 国家自然科学基金青年项目(41401186,41401181);; 湖北省自然科学基金青年项目(2014CFB346,2013CFB010)
作者(Author): 谢启姣,陈昆仑,金贵
DOI: 10.16251/j.cnki.1009-2307.2017.09.013
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