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中国西部干旱区植被的遥感分类研究
Authors
师庆东
常顺利等.
陈利军
Publication date
17 August 2010
Publisher
Abstract
中国西部干旱区气候、土壤、水文、光热、植被等环境因子有着显著的地域差异,若只依靠单一的植被光谱信息来进行准确分类是相当困难的,需要开展基于先验知识、地理信息和遥感信息的分类方法.本文在使用了多种分类方法后,采用了分区分海拔的方法,即将植物的区系理论和植物的纬向、经向和垂直地带性分布特征通过地理信息系统给予知识化的表达,在这些先验知识的基础上叠加植被的光谱特征进行分类,并在局部地区对分类结果进行了验证,取得了较好的效果,为同类研究提供了一种参考思路和方法
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Institutional Repository of Xinjiang Institute of Ecology and Geography, CAS
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Last time updated on 29/11/2016