[1]赵文武,吕一河,郭雯雯,等.陕北黄土丘陵沟壑区NDVI与气象因子的相关性分析[J].水土保持研究,2006,13(02):112-114.
　ZHAO Wen-wu,LV Yi-he,GUO Wen-wen,et al.The Correlations Between Climatic Factors and NDVI in Hilly and Gully Area of Loess Plateau in Northern Shaanxi[J].Research of Soil and Water Conservation,2006,13(02):112-114.
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陕北黄土丘陵沟壑区NDVI与气象因子的相关性分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 13 期数: 2006年02期 页码: 112-114 栏目: 出版日期: 1900-01-01
Title:
The Correlations Between Climatic Factors and NDVI in Hilly and Gully Area of Loess Plateau in Northern Shaanxi
作者:
赵文武1, 吕一河2, 郭雯雯1, 徐广才1
1. 北京师范大学资源学院 资源管理研究所教育部环境演变与自然灾害重点实验室, 北京 100875;
2. 中国科学院生态环境研究中心系统生态重点实验室, 北京 100085
Author(s):
ZHAO Wen-wu1, LV Yi-he2, GUO Wen-wen1, XU Guang-cai1
1. Institute of Resources Management, College of Resources Science and Technology, Key Laboratory of Environmental Change and Natural Disaster of Ministry of Education, Beijing Normal University, Beijing 100875, China;
2. Key Laboratory of System Ecolo
关键词:
NDVI; 气候因子; 相关系数
Keywords:
NDVI; climatic factors; correlations
分类号:
S718.5;Q948.1
摘要:
基于逐旬NDVI数据和逐日气象数据，以陕北延安市为例，分析了降雨、温度、相对湿度、风速、日照时数等气象因子和NDVI的相关关系。研究结果表明，前10日的降雨、温度能够影响NDVI的变化，同时，NDVI的变化也能够对空气的相对湿度产生影响；NDVI与风速和日照时数的相关性较差。所拟合的NDVI与主要气象因子的关系模型中，NDVI与降雨量的模型拟合优度最低，而与温度的模型拟合优度最高。
Abstract:
The analysis of climate factors and NDVI is a hot issue in land use and land cover change. Take Yan’an as a case study, the correlations between NDVI and climatic factors in hilly and gully area of Loess Plateau in northern Shaanxi were discussed. NDVI was extracted from ten-day SPOT image, and climate data included daily rainfall, daily temperature, daily relative moisture, daily wind speed, and daily hours of sunshine. The research results indicated that the former 10 days’ rainfall and temperature affected NDVI change and the higher NDVI lead to increase of relative moisture in the subsequent 10 days. NDVI had bad correlations with wind speed and hours of sunshine. The fitting models of NDVI and climatic factors were built also. The better regression equations were the NDVI-temperature model and NDVI-moisture model, the worse model was the NDVI-rainfall model.

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备注/Memo

收稿日期:2005-6-28;改回日期:。
基金项目:国家自然科学基金（40501002）；中科院知识创新工程重要方向项目（KZCX3-SW-421）
作者简介:赵文武（1976- ），男，博士，讲师，主要从事土地资源管理、土地利用与生态过程、GIS＆RS应用方面的研究。

更新日期/Last Update: 1900-01-01