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中国沙漠 ›› 2010, Vol. 30 ›› Issue (1): 146-153.

• 生物土壤与生态 • 上一篇    下一篇

基于多源信息融合的黄淮海地区植被覆盖变化遥感监测研究

刘忠阳1,2, 陈怀亮1,2, 刘玉洁3, 江清霞4, 杜子璇1,2, 师丽魁1,2   

  1. 1.河南省气象科学研究所, 河南 郑州 450003; 2.中国气象局农业气象保障与应用技术重点开放实验室, 河南 郑州 450003; 3.中国气象局国家卫星气象中心, 北京 100081; 4.河南省漯河市气象局, 河南 漯河 462000
  • 收稿日期:2008-11-09 修回日期:2009-07-17 出版日期:2010-01-20 发布日期:2010-01-20

Vegetation Cover Changes by Remot-Sensing Monitoring and Analyzing based on Multi-information Fusion in Huanghe-Huaihe-Haihe Area

LIU Zhong-yang1,2, CHEN Huai-liang1,2, LIU Yu-jie3, JIANG Qing-xia4, DU Zi-xuan1,2, SHI Li-kui1,2   

  1. 1.Henan Institute of Meteorological Sciences, Zhengzhou 450003, China; 2.Key Laboratory of Agroneteorological Safeguard and Applied Technique, CMA, Zhengzhou 450003, China; 3.National Satellite Meteorological Center, China Meteorological Administration; Beijing 100081, China; 4.Luohe Meteorological Office, Luohe 462000, Henan, China
  • Received:2008-11-09 Revised:2009-07-17 Online:2010-01-20 Published:2010-01-20

摘要: 植被是气候及其他环境因子的综合反映,植被变化与气候变化具有密切的关系。基于Holdridge生命地带指标法和非监督分类法,利用研究区1982年、1992年和2002年气候数据、NDVI数据和DEM数据融合后的多源数据,进行非监督分类。经过分类后处理、空间分析、数据挖掘后,得出黄淮海地区1982—2002年植被覆盖变化图。结果表明:20 a间黄淮海地区植被覆盖变化较为和缓,保持了较一致性;变化比较剧烈地区主要分布在二、三地形阶梯交界及400 mm左右年降水量线处、山东低山丘陵以及淮河下游地区。

关键词: Holdridge非监督分类, 黄淮海地区, 多源数据, 植被覆盖变化

Abstract: Vegetation, as the comprehensive reflection of climate and other environmental elements, is closely related with climate changes. The article, on the basis of Holdridge life zone index method and the unsupervised classification method, the climate data, NDVI data and DEM data in 1982, 1992 and 2002 of the research area as well as the multi-source information after amalgamation, undertakes unsupervised classification and concludes the vegetation coverage changing map from 1982 to 2000 in the Huanghe-Huaihe-Haihe area after post-classification processing, space analysis and data development. According to the result, the vegetation coverage change was slowly in the past nearly 20 years and the vegetation has remained almostly consistent. The areas with relatively fierce changes are mainly located at the meeting part between the 1st and 2nd terrain stages, at the area around the 400 mm annual precipitation line, at the hill area in Shandong and the lower reach area of the Huaihe River.

Key words: Holdridge unsupervised classification, Huanghe-Huaihe-Haihe area, multi-information, vegetation cover change

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