摘要
应用1987年一景Landsat5 TM数据及2005年一景CBERS-02星CCD数据对双台子河口湿地进行了景观格局变化研究。通过对两期图像进行景观类型分类,计算获取了两个时期的斑块类型水平和景观水平的景观格局指数,并对其进行了分析,同时应用转移矩阵模型研究了各类景观的转化情况。研究结果表明,在1987～2005年间,研究区湿地景观类型变化比较显著,大量天然湿地在人类活动干扰下演变为人工湿地。该区域湿地景观异质程度上升,整体景观类型呈现均衡化方向发展的趋势。通过研究也表明,中巴资源卫星在湿地景观格局变化研究领域中有很好的应用能力。
The development of remote sensing technology provides an efficient method for studying the change of wetland landscape pattern. The pattern changes in the wetland landscape of the Shuangtaizi estuary were studied by one unit of Lands at 5 TM data and one unit of CBERS-02 satellite CCD data. Two periods of patch-class level and landscape level pattern index were calculated by classifying the landscape pattern of the two images, and the index was analyzed as well. Meanwhile the conversion of various types of landscape was studied by the conversion matrix model. The result showed that during 1987 - 2005, the category of wetland landscape in the studied area changed remarkable, the large amount of natural wetland transformed into artificial wetland under the interference of human activities. The heterogeneity of the wetland landscape increase, the overall types of landscape pattern tend to be equalized. The research also showed that the CBERS could be applied to study the changes of wetland landscape.
出处
《海洋环境科学》
CAS
CSCD
北大核心
2008年第6期641-646,共6页
Marine Environmental Science
基金
国家海洋局908专项(908-01-WY01)
