[1]陈 斌,李海东*,曹学章,等.基于SPOT-VGT NDVI的雅鲁藏布江流域植被动态变化[J].山地学报,2016,(02):249-256.[doi:10.16089/j.cnki.1008-2786.000125]
 CHEN Bin,LI Haidong,CAO Xuezhang,et al.Dynamic Changes in Vegetation Coverage in the Yarlung Zangbo River Basin Based on SPOT-VGT NDVI[J].Mountain Research,2016,(02):249-256.[doi:10.16089/j.cnki.1008-2786.000125]
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基于SPOT-VGT NDVI的雅鲁藏布江流域植被动态变化()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2016年02期
页码:
249-256
栏目:
山地信息技术
出版日期:
2016-04-01

文章信息/Info

Title:
Dynamic Changes in Vegetation Coverage in the Yarlung Zangbo River Basin Based on SPOT-VGT NDVI
作者:
陈 斌12 李海东1* 曹学章1 唐欢欢12
1. 环境保护部南京环境科学研究所,江苏 南京 210042; 2. 南京信息工程大学遥感学院,江苏 南京 210044
Author(s):
CHEN Bin12 LI Haidong1 CAO Xuezhang1 TANG Huanhuan12
1. Nanjing Institute of Environmental Sciences, Ministry of Environmental Protection, Nanjing 210042, China; 2. School of Remote Sensing, Nanjing University of Information Science & Technology, Nanjing 210044, China
关键词:
NDVI 海拔梯度 年际变化 季节变化 青藏高原
分类号:
Q948,X144
DOI:
10.16089/j.cnki.1008-2786.000125
文献标志码:
A
摘要:
基于SPOT-VGT NDVI数据集、数字高程模型(DEM)和1:100万植被类型数据,综合运用GIS空间分析与Mann-Kendall非参数趋势检验方法,提取与分析了流域不同海拔梯度和植被类型的1999—2013年NDVI的年际和季节变化特征,探讨了高海拔大流域NDVI变化与高程、植被类型的相关性。结果表明:1.不同海拔梯度近15 a的NDVI年际变化趋势与各植被类型的相似,均呈显著增长状态。<3 500 m海拔梯度NDVI变化的增长速率最大。7—9月和10—12月<4 500 m海拔梯度NDVI的生长期较长。2.阔叶林和针叶林近15 a的NDVI增长速率较大,灌草过渡、灌丛、草甸、草原、高山植被的增长速率较小。1—3月的灌丛,4—6月的草甸和草原,7—9月的阔叶林、灌草过渡、灌丛、草甸和高山植被,10—12月的阔叶林、针叶林、灌草过渡、灌丛、草原和高山植被近15 a的NDVI变化均呈显著增长趋势3.流域NDVI变化具有显著的海拔梯度性和植被垂直地带性。<3 500 m海拔梯度的NDVI变化主要受针叶林、阔叶林的影响,>3 500 m海拔梯度的NDVI变化主要受针叶林、灌草过渡、灌丛、草甸、高山植被的影响。

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备注/Memo

备注/Memo:
收稿日期(Received date):2015-06-11; 修回日期(Accepted):2015-09-30。 基金项目(Foundation item):国家自然科学基金(41301611); 江苏省自然科学基金(BK20130103)。[This project was funded by the Natural Science Foundation of China(No. 41301611), the Natural Science Foundation of Jiangsu Province(BK20130103).] 作者简介(Biography):陈斌(1988-),男,江西万年人,硕士研究生,主要从事3S技术在生态环境监测中的应用研究。[Chen Bin(1988-), male, born in Wannian County, Jiangxi province, master, engaged in the application of 3S technologies in the eco-enrivonmental monitoring.] *通信作者(Corresponding author):李海东(1984-),男,博士,副研究员,主要研究方向为气候变化风险评估与应对、土地退化与矿山生态恢复。[LI Haidong(1984-), male, Ph. D, associate professor, mainly engaged in risk assessment and addressing, land degradation and mine ecological protection.] E-mail:lihd2020@163.com
更新日期/Last Update: 1900-01-01