Dynamic Changes of Land Use in Built-up Area of Chengde City in the Past 14 Years

• 作者: SUN Baisheng
• 来源期刊: 景观研究：英文版
• 学科: 经济
• 年，卷（期）: 2016,（4）
• 页码范围: 42-44
• 页数: 3页
• 分类号: F299.23

摘要

Landsat TM/OLI images of the built-up areas in Chengde City(Shuangqiao District and Shuangluan District) in 2000,2009 and 2014 were adopted,Support Vector Machine(SVM) was applied to classify the images automatically,land use/cover map of the study area was obtained after precision test.Through analyzing the land use types in the study area and also applying transfer matrix to monitor the changes,the results showed that human activities and urbanization in the past 14 years have brought the increasing tendency of construction land,and the negative growth of arable land,forest and shrubbery land.It is urgent to adopt corresponding measures to maintain the coverage of forest and shrubbery land in the built-up area of Chengde City,so as to reduce the impact of human activities and improve urban ecological environment.