您的位置:首页  > 论文页面

沿海城市化土地利用变化的气候影响——以大连市为例

发表时间:2010-11-15  浏览量:1204  下载量:356
全部作者: 李颖,任学慧
作者单位: 辽宁师范大学城市与环境学院;辽宁师范大学自然地理与空间信息科学辽宁省重点实验室;辽宁师范大学海洋经济与可持续发展研究中心
摘 要: 以大连市为例,利用1997年至2007年城市土地利用和气象数据,运用线性分析、主成分分析、相关性分析等方法,构建城市土地利用变化综合指数与气象要素之间的模型。研究表明:大连市绿地类、建筑类(建筑物)和道路类面积逐年增加,以道路类增幅最大;而大连市气温和降水呈明显上升趋势,日照时数和风速呈下降趋势,并且存在着城市热岛、雨岛、暗岛和缓风效应;风速对城市土地利用变化的反应更敏感,二者呈现显著的负相关性;气温、降水和日照时数表现为高低值交替的波动变化。
关 键 词: 地理学;沿海城市化;城市土地利用;气候影响;大连市
Title: The impact of land use change on climate during coastal urbanization: take Dalian as an example
Author: LI Ying, REN Xuehui
Organization: College of City and Environment, Liaoning Normal University; Liaoning Key Laboratory of Physical Geography and Geomantic, Liaoning Normal University; Center for Studies of Marine Economy and Sustainable Development, Liaoning Normal University
Abstract: Take Dalian as a case, collected 11 years' land use and meteorological data, used the linear analysis, principal component analysis, correlation analysis and other methods to construct the model between land use change index and meteorological factors. Studies have shown that the area of green, architecture (buildings) and road increased year by year, while the road had the largest increase. The temperature and precipitation showed a clear upward trend while the sunshine hours and wind speed declined. In the city, there were urban heat island, rain island, dark island and slow wind effects. The wind speed was more sensitive in response to the underlying surface change and they showed a significant negative correlation, while temperature, precipitation and sunshine hours manifested as alternating high and low values.
Key words: geography; coastal urbanization; urban land-use; climate impact; Dalian city
发表期数: 2010年11月第21期
引用格式: 李颖,任学慧. 沿海城市化土地利用变化的气候影响——以大连市为例[J]. 中国科技论文在线精品论文,2010,3(21):2212-2216.
 
0 评论数 0
暂无评论
友情链接