[1]刘世梁,安南南,董世魁,等.基于NDVI的水电站开发对植被的影响——以澜沧江梯级水电站开发为例[J].山地学报,2015,(01):48.
 LIU Shiliang,AN Nannan,DONG Shikui,et al.The Effects of Hydropower Stations Construction on Vegetation Dynamics Based on NDVI: A Case Study of Cascade Hydropower Stations of Lancang River[J].Mountain Research,2015,(01):48.
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基于NDVI的水电站开发对植被的影响——以澜沧江梯级水电站开发为例()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2015年01期
页码:
48
栏目:
山地研究
出版日期:
2015-02-01

文章信息/Info

Title:
The Effects of Hydropower Stations Construction on Vegetation Dynamics Based on NDVI: A Case Study of Cascade Hydropower Stations of Lancang River
作者:
刘世梁;安南南;董世魁;赵海迪;邓丽;赵晨;
北京师范大学环境学院水环境模拟国家重点实验室;
Author(s):
LIU Shiliang AN Nannan DONG Shikui ZHAO Haidi DENG Li ZHAO Chen
State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875,China
关键词:
NDVI澜沧江水电站建设时空变化趋势分析
Keywords:
NDVI Lancang River hydropower stations construction spatiotemporal variation trend analysis
分类号:
X144,X2
文献标志码:
A
摘要:
基于RS和GIS技术,利用1998—2012年SPOT NDVI数据建立近15 a澜沧江流域NDVI时序数据集,在收集该流域水电站建设概况资料的基础上,利用空间分析与统计方法、最大值合成法、一元趋势方法分析流域水电站周边植被覆盖的时空变化及其与土地利用的关系。结果表明:1998—2012年间,水电站的年最大NDVI值均保持在0.78~0.92之间;通过对比已建水电站在建设前、中、后期的年最大NDVI值随上下游距离梯度的变化趋势,水电站上、下游在建设前、建设中和建设后呈现出基本一致的波动变化;横向分析NDVI随岸边距离不同的变化情况,小湾水电站附近10 km范围内,随着岸边距离的增加,NDVI值...
Abstract:
Based on RS and GIS technology, SPOT NDVI data from 1998 to 2012 was used to construct NDVI time series dataset of the Lancang River basin, this paper analyzed the spatiotemporal variation of vegetation cover by using the spatial analysis, statistical methods, MVC(Maximum Value Composites)methods and trend method and relationships between NDVI and land use changes. The results showed that: timely, the annual MAX NDVI of each hydropower station was maintained between 0.78 and 0.92; spatially, through the comparison of dynamics of the annual MAX NDVI upstream and downstream before construction, during construction and after construction, the outcomes showed that the three curves had the same changing trend; according to variation of MAX NDVI with different distances along the shore, MAX NDVI which was near from Xiaowan hydropower station about 10 km increased slowly with distance along the shore, MAX NDVI which is during the construction of the hydropower station lower than before it, results above can show that the hydropower stations construction influenced on the local vegetation tempestuously. In this buffer, the improved areas were accounted for about 63%. Zonal Statistics showed that the NDVI of land, forest land and grassland has increased. This study provided the scientific basis with exploring the possibilities of using NDVI to monitor effect of hydropower stations construction and protection and resumption of ecological environment caused by hydropower stations construction.

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备注/Memo

备注/Memo:
收稿日期(Received date):2013-12-14;改回日期(Accepted):2014-04-25。
基金项目(Foundation item):环保公益项目 (201209029)。[Nonprofit Environment Protection Specific Project of China(No.201209029).]
作者简介(Biography):刘世梁,男,1976年生,博士生导师,副教授,主要从事景观生态学、GIS与RS研究。[Liu Shiliang, male, born in 1976, doctoral supervisor, associate professor, mainly engaged in landscape ecology,GIS and RS.] E-mail: shiliangliu@bnu.edu.cn
更新日期/Last Update: 1900-01-01