基于Mann-Kendall方法的胶东半岛海岸带 归一化植被指数趋势分析

刘亚龙; 王庆; 毕景芝; 张明明; 邢前国; 施平

基于Mann-Kendall方法的胶东半岛海岸带归一化植被指数趋势分析

1.
鲁东大学海岸研究所,山东烟台 264025
2.
中国科学院烟台海岸带研究所,山东烟台 264003

基金项目: 山东省自然科学基金重点项目(Z2008E03;Z2003E01);烟台市科技攻关项目(2008323);山东省高等学校科技计划项目(J09LE07);山东省科技项目(2007GG2QT06019);教育部重点项目(210122)。

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出版历程
- 收稿日期: 2009-09-02
- 修回日期: 2010-04-28

The analysis of NDVI trends in the coastal zone based on Mann-Kendall test: a case in the Jiaodong Peninsula

1.
Coast Lnstitute, Ludong University, Yantai 264025,China
2.
Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences,Yantai 264003,China

摘要

摘要: 利用1998—2008年SPOT/VEGETATION逐旬共372期归一化植被指数时间序列影像数据,引入Mann-Kendall非参数趋势检验方法,分析了胶东半岛最近10 a来的归一化植被指数变化趋势。结果表明,最近10 a来,胶东半岛归一化植被指数变化趋势以衰减区域居主导地位,其中有明显衰减变化趋势的区域占半岛总面积的19.3%,有明显增强变化趋势的区域仅占半岛总面积的2.8%。归一化植被指数衰减区域在空间上沿海岸线呈环状分布,从沿海岸到远离海岸,归一化植被指数增强趋势逐渐明显,衰减最明显的区域大部分位
- 归一化植被指数 /
- 时间序列 /
- Mann-Kendall趋势分析 /
- 海岸带 /
- 胶东半岛
Abstract: On the basis of 372 images of Spot/Vegetation from 1998 to 2008, the Mann-Kendall non-parametric trend test method was used to analyze the normalized difference vegetation in dex(NDVI) trends on the Jiaodong Penisula.During past decade, the areas with decreasing NDVI trends dominated the Jiaodong Peninsula. About 19.3% of the whole area exhibited significant declining trends in the NDVI, and merely 2.8% of areas showed increasing trends. The areas with decreasing trends distributed annularly along the coastline. The increasing trends gradually became more prominent from the coastline to the inner land. Most regions which manifested distinct weakening trends were mainly located within a distance of 30 km apart from the coastline. The regions showing obvious improvement were located in the central peninsula and the coastal forest shelterbelt areas. Human activity and its spatial distribution were the main causes of NDVI changes. Urbanization, industrialization and exploitation of the coastal wetlands resulted in the decaying of NDVI. Protection of the mountain vegetation and the construction of the coastal forest shelterbelt promoted the increasing of NDVI.
- NDVI /
- time series /
- Mann-Kendall test /
- coastal zone /

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