| 周家彬,郭力娜,张云鹏.2015年唐山市域热岛效应四季特征分析[J].唐山学院学报,2017,30(6):8-13 |
| 2015年唐山市域热岛效应四季特征分析 |
| An Analysis of the Seasonal Characteristics of Heat Island Effect of Tangshan City in 2015 |
| |
| DOI：10.16160/j.cnki.tsxyxb.2017.06.002 |
| 中文关键词: 唐山市 热岛效应 遥感温度反演 季节变化特征 |
| 英文关键词: Tangshan City heat island effect simulation of remote sensing temperature seasonal variation |
| 基金项目:国家自然科学基金项目（50672009）；国家自然科学基金项目（41671519，41271535）；北京市科技计划课题（z161100001116016）；河北省教育厅优秀青年基金项目（YQ2014016） |
|
| 摘要点击次数: 8105 |
| 全文下载次数: 6310 |
| 中文摘要: |
| 采用2015年四季的Landsat 8 OLI遥感影像数据，利用ENVI，ArcGIS软件反演唐山市主城区地表温度并制图，结合NDVI（归一化植被指数）及地表覆盖类型，分析研究区热岛效应季节性特征。研究表明：唐山市夏季热岛效应明显，高温区面积最大，地表高温区域从城郊农用地域向中心建成区转移，自西向东、由南向北扩散，面积先增后减（按冬、春、夏、秋顺序）。其中南湖区域一直位于低温区，除此之外，春季与夏季、秋季与冬季对应的高、低温区分布情况几乎相反。密集建成区及其间交错的小规模绿地对地表温度升高贡献率最大，其后依次为农田、林地、水体。故南湖生态城的建设对于缓解城市热岛效应及调节气候平衡的作用明显，值得后期对南湖的生态效益开展研究。 |
| 英文摘要: |
| Based on the Landsat 8 OLI remote sensing image data of four seasons (January, March, July, and October) in 2015, the authors of this paper simulated and mapped the surface temperature of the urban area Tangshan City with ENVI and ArcGIS,and analyzed the seasonal characteristics of heat island effect in the area, on the basis of the theories of NDVI (Normalized Difference Vegetation Index) and land cover type. The results show that the heat island effect is obvious and the high temperature area is the largest in summer, that the high temperature zone shifts from the suburban agricultural area to the central urban area, from the west to the east and from the south to the north, and the area of the high temperature zone first increases and then decreases(in the order of winter, spring, summer, autumn), that The South Lake has always been in the low temperature zone, that the distribution of high or low temperature zones in spring and autumn is almost opposite to that in summer and winter respectively, that the densely-populated areas and the small-scale green plots in them have the greatest contribution to the surface temperature increase, followed by farmland, forest land, waters, that The South Lake Ecological City has evidently alleviated the effect of urban heat island and helped to maintain the climate balance,and that the ecological benefit of The South Lake deserves further study. |
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |
|
|
|