深圳市30a土地利用和景观格局变化分析  

Analysis of Landscape Pattern Changes and Land Use of Shenzhen

作　　者：黄梅[1,2] 洪金益[1] 陈劲松[2] 

机构地区：[1]中南大学地球科学与信息物理学院GIS研究中心,湖南长沙410083 [2]中国科学院深圳先进技术研究院,广东深圳518055

出　　处：《地理空间信息》2015年第3期110-113,11,共4页Geospatial Information

基　　金：中国科学院战略性先导科技资助项目(XDA05050107-3)

摘　　要：利用1980~2010年时间序列遥感影像,运用决策树法得到各期土地利用图,分析土地利用的时空变化特征和景观变化特征,结合主成分分析法探讨深圳市土地利用变化的驱动因子。结果显示,30 a来深圳市土地利用发生了巨大变化：城乡用地增加了55 077.24 hm2,增加265.19%;耕地面积减少33 949.17 hm2,减少73.93%。30 a间人类活动的干扰变大,使得土地利用类型斑块无序化,景观类型呈一元化发展趋势,景观格局愈来愈受单一斑块所控制,且土地利用变化受社会经济驱动力的影响逐步增强。The land use maps for 1980, 1990, 2000, 2010 obtained by the interpretation of remote sensing images were used to analyze the changes of land use information and landscape pattern. The driving factors of land use changes were analyzed through the methods of principal component analysis. The results show that the change of land use in Shenzhen is huge. Main changes are the urban expansion, which has been increased 55 077.24 hm2 with the growth rate of 265.19%; cultivated land, decreased 33 949.17 hm2 with the decrement 73.93%. The interference of human activities increases yearly, making landscape patches greater disorder and higher fragmentation, landscape pattern tend to be form unitarity. This is why the cultivated land and forest land loss from 1980 to 2010, and human interventions' impact on land use grows yearly.

关 键 词：GIS RS 土地利用变化 景观格局 驱动力 深圳市 

分 类 号：P273[天文地球—测绘科学与技术]