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湿地是自然生态系统的重要组成部分。快速、准确地获取湿地基础信息,对湿地的动态监测、保护和可持续利用具有重要意义。本文利用知识规则分别提取出洪泽湖1988年10月25日和2002年11月9日两时相遥感影像的湿地信息,然后通过叠加分析比较了两个时相的湿地信息变化情况。研究发现,洪泽湖湿地植被在这14年间急剧减少,有待采取有效的措施进行保护。 更多还原

【Abstract】 Wetland is considered an important part of the ecological system.Rapid acquisition of accurate information of wetland is significant to the monitoring,protection and sustainable utilization of wetlands.In this paper,knowledge rules were used to the classification of the remote sensing images of 25th October 1988 and 9th November 2002.Then,the results of classification of two date imagery were overlaid for the change analysis of wetland vegetation during the period.The research shows that wetland... 更多还原