| 植被盖度与地表亮温关系的遥感监测分析 ———以北京市昌平区为例 |
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| 引用本文： | 丁娅萍,张学霞,陈仲新.植被盖度与地表亮温关系的遥感监测分析 ———以北京市昌平区为例[J].中国农业资源与区划,2011,32(5):8-15. |
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| 作者姓名： | 丁娅萍 张学霞 陈仲新 |
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| 作者单位： | 1. 农业部资源遥感与数字农业重点开放实验室,北京100081; 中国农业科学院农业资源与农业区划研究所,北京100081
2. 北京林业大学水土保持学院,北京,100083 |
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| 基金项目： | 科技部国际科技合作项目，农业部“948计划”项目，国家自然科学基金 |
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| 摘 要： | 该文以北京市昌平区为研究区域,利用3期不同时间Landsat TM遥感影像,沿着13条不同海拔高度等高线构建特征剖面,提取了研究区不同海拔高度上地表亮度温度、植被指数和植被覆盖度数据,分析了其时空变化特征。结果发现,植被覆盖度和亮度温度的关系随着海拔高度及时间变化而呈现一定变化规律。在区域尺度内,随着海拔高度上升,植被覆盖度和亮度温度呈负相关关系。去除海拔因素的影响,在同一海拔高度时,大部分情况下,植被覆盖度与亮度温度两者呈负相关关系,某些条件下,两者可呈正相关关系。
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| 关 键 词： | 植被覆盖度 亮度温度 特征剖面 北京昌平 |
| 收稿时间： | 2010/11/20 0:00:00 |
A STUDY ON THE RELATIONSHIP BETWEEN VEGETATION COVERAGE AND LAND SURFACE BRIGHTNESS TEMPERATURE BY REMOTE SENSING |
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| Ding Yaping,Zhang Xuexia and Chen Zhongxin.A STUDY ON THE RELATIONSHIP BETWEEN VEGETATION COVERAGE AND LAND SURFACE BRIGHTNESS TEMPERATURE BY REMOTE SENSING[J].Journal of China Agricultural Resources and Regional Planning,2011,32(5):8-15. |
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| Authors: | Ding Yaping Zhang Xuexia and Chen Zhongxin |
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| Institution: | Ding Yaping1,2,Zhang Xuexia3(1.Laboratory of Resources Remote Sensing and Digital Agriculture,MOA,Beijing 100081,2.Institute of Agricultural Resources & Regional Planning,CAAS,3.Institute of Soil & Water Conservation,Beijing Forestry University,Beijing 100083) |
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| Abstract: | Taking Changping District of Beijing as the case study region,the authors investigated the relationship between vegetation coverage and land surface brightness temperature,based on 3 Landsat TM images.Firstly,the experimental dataset of land surface brightness temperature,NDVI and vegetation coverage was extracted along 13 contour lines of different altitude.Then the authors analyzed the spatial and temporal changes of the relationship between land surface temperature and vegetation coverage in the study re... |
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| Keywords: | Keywords brightness temperature vegetation coverage feature profile Beijing Changping |
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