[1]付新峰,杨胜天,刘昌明.雅鲁藏布江流域NDVI时空分布及与站点气候因子的关系[J].水土保持研究,2006,13(03):229-232.
　FU Xin-feng,YANG Sheng-tian,LIU Chang-ming.Spatial-temporal Changes of NDVI and Their Relations with Principal Climatic Factors in Yarlung Tsangpo River Basin’s Stations[J].Research of Soil and Water Conservation,2006,13(03):229-232.
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雅鲁藏布江流域NDVI时空分布及与站点气候因子的关系

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 13 期数: 2006年03期 页码: 229-232 栏目: 出版日期: 1900-01-01
Title:
Spatial-temporal Changes of NDVI and Their Relations with Principal Climatic Factors in Yarlung Tsangpo River Basin’s Stations
作者:
付新峰1, 杨胜天2, 刘昌明1,3
1. 北京师范大学水科学研究院, 北京 100875;
2. 北京师范大学地理学与遥感科学学院, 北京 100875;
3. 中国科学院地理科学与资源研究所, 北京 100101
Author(s):
FU Xin-feng1, YANG Sheng-tian2, LIU Chang-ming1,3
1. College of Water Science, Beijing Normal University, Beijing 100875;
2. School of Geography, Beijing Normal University, Beijing 100875;
3. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China
关键词:
NDVI; 气候因子; 植被覆盖; 雅鲁藏布江流域
Keywords:
NDVI; principal climatic factors; vegetation cover; Yarlung Tsangpo River Basin
分类号:
Q948;TP79
摘要:
作为反映流域植被覆盖度的一个指标，NDVI的变化受多个气候因子的影响，而降水与平均气温是重要的影响因子。对雅鲁藏布江流域NDVI时空变化特征分析的同时，根据流域站点的经纬度提取流域面上的NDVI值并与流域站点主要气候因子（降水与平均气温）的关系进行了分析。结果表明，流域站点NDVI与主要气候因子（降水、平均气温）均具有较强的季节性、时间上的一致性与较高的相关性。NDVI与降水量线性相关系数为0.77，对数相关系数为0.7；NDVI与平均气温线性相关系数为0.72，对数相关系数为0.68。
Abstract:
As an index of denoting basin’s vegetation cover, NDVI is influenced by many climatic factors such as precipitation and average air temperature.The spatial-temporal change of NDVI is analyzed in Yarlung Tsangpo River basin.Meanwhile, the point data of NDVI data on basin’s stations is extracted based on stations’ latitude and longitude.Then, relation of NDVI and precipitation or average air temperature is analyzed on the basin’s stations.The conclusion is that NDVI and principal climatic factors(precipitation and average air temperature) on the basin’s stations are intensive with season, and are in consistency with time, and are higher in correlation.The linear correlation coefficient of NDVI and precipitation is 0.77, and that of NDVI and average air temperature is about 0.72 on the basin’s stations. And logarithmic correlation coefficient of NDVI and precipitation is 0.7, and that of NDVI and average air temperature is 0.68 on the basin’s stations.

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备注/Memo

收稿日期:2006-2-8
基金项目:国家科技攻关计划项目（2005BA901A11）；国家自然科学基金：西藏拉萨河流域冻土水文过程对气候变化响应研究（40561002）
作者简介:付新峰（1977- ），男，河南周口人，北京师范大学水科学研究院博士生，研究方向为水资源水环境遥感。

更新日期/Last Update: 1900-01-01