[1]马延辉,林辉,孙华.湖南省主要森林类型植被指数动态变化分析[J].水土保持研究,2010,17(03):217-221.
　MA Yan-hui,LIN Hui,SUN Hua.Variation Analysis of Different Forest Types Vegetation Index in HU’nan Province[J].Research of Soil and Water Conservation,2010,17(03):217-221.
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湖南省主要森林类型植被指数动态变化分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 17 期数: 2010年03期 页码: 217-221 栏目: 出版日期: 2010-06-20
Title:
Variation Analysis of Different Forest Types Vegetation Index in HU’nan Province
作者:
马延辉, 林辉, 孙华
中南林业科技大学 林业遥感信息工程研究中心, 长沙 410004
Author(s):
MA Yan-hui, LIN Hui, SUN Hua
Research Center of Forestry Remote Sensing & Information Engineering, Central South University of Forestry & Technology, Changsha 410004, China
关键词:
森林类型; 植被指数; 时间序列; 变化分析; 相关性分析
Keywords:
forest types; vegetation index; time series; variation analysis; relative analysis
分类号:
S717
摘要:
植被指数具有明显的季节性，能客观反映植被物候信息。利用湖南省2006年MODIS/NDVI与MODIS/EVI数据，对不同森林类型的NDVI和EVI变化进行了对比与相关性分析。研究表明：（1）常绿针叶林、常绿阔叶林、竹林及灌木林NDVI季节变化不明显，曲线较平；EVI则有明显季节性，表现为钟形曲线。（2）落叶阔叶林的NDVI与EVI变化趋势一致，均呈钟形曲线。EVI能较好地描述各森林类型在不同季节的差异，适宜用作森林类型信息提取的基础数据。
Abstract:
Vegetation index has clear seasonality, which can describe the phenology variation information of vegetation. The variation and relativity analysis of different forest types NDVI and EVI has been achieved using MODIS/NDVI and MODIS/EVI time series data in HU’nan province. The results show that (1) For evergreen needle leaf forests, evergreen broad leaf forests, bamboo grove and shrub, NDVI has no clear seasonality with a flat curve; and EVI has a clear seasonality with a bell-shaped curve. (2) For deciduous broad leaf forests, NDVI and EVI have the same trends with a bell-shaped curve. EVI can describe the vegetation changes in different seasons preferably and can be used as the foundation data of identifying forest types appropriately.

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备注/Memo

收稿日期:2010-1-26。
基金项目:国家自然科学基金（30871962）；国家科技支撑计划（2006BAD23B-01）；国家科技支撑课题（2006BAC08B03）；中南林业科技大学研究生科技创新基金（2007sx15）
作者简介:马延辉（1985- ），男，河南洛阳人，硕士研究生，研究方向：林业遥感与地理信息系统。E-mail：ponymayanhui@163.com

更新日期/Last Update: 1900-01-01