| 基于Modis地表温度的横断山区气温估算及其时空规律分析 |
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| 引用本文： | 姚永慧,张百平,韩芳.基于Modis地表温度的横断山区气温估算及其时空规律分析[J].地理学报,2011,66(7):917-927. |
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| 作者姓名： | 姚永慧 张百平 韩芳 |
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| 作者单位： | 中国科学院地理科学与资源研究所资源与环境信息系统国家重点实验室,北京,100101 |
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| 基金项目： | 国家自然科学基金(41030528;41001278)~~ |
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| 摘 要： | 横断山区气象观测站稀少且多分布在河谷之中,气温资料极度匮乏,严重影响山区地理与生态研究.随着遥感技术的发展,热红外遥感数据,结合地面观测数据,可以用来推测山区气温.本文通过对横断山区2001年-2007年间64个气象台站的多年月平均气温数据(Ta)与Modis地表温度多年月平均值(Ts)进行了时序分析和回归分析,并取得...
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| 关 键 词： | 气温估算 地表温度 Modis 时序分析 横断山区 |
MODIS-based Air Temperature Estimation in the Hengduan Mountains and Its Spatio-temporal Analysis |
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| YAO Yonghui,ZHANG Baiping,HAN Fang.MODIS-based Air Temperature Estimation in the Hengduan Mountains and Its Spatio-temporal Analysis[J].Acta Geographica Sinica,2011,66(7):917-927. |
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| Authors: | YAO Yonghui ZHANG Baiping HAN Fang |
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| Institution: | YAO Yonghui,ZHANG Baiping,HAN Fang(State Key Laboratory of Resource and Environmental Information System,Institute of Geographic Sciences and Natural Resources Research,CAS,Beijing 100101,China) |
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| Abstract: | Climatic conditions are difficult to obtain in high mountain areas due to few meteorological stations and,if any,their poorly representative locations in valleys.Fortunately,remote sensing data can be used to estimate near-surface air temperature(Ta) and other climatic conditions.This paper makes use of recorded meteorological data and MODIS data on land surface temperature(Ts) to estimate monthly mean air temperatures in the Hengduan Mountains.A total of 64 weather stations and 84 MODIS images for seven ye... |
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| Keywords: | land surface temperature MODIS air temperature estimation spatial-temporal analysis the Hengduan Mountains |
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