%0 Journal Article
%T The land use and land cover change database and its relative studies in China<br>
%A LIU Jiyuan
%A LIU Mingliang
%A DENG Xiangzheng
%A Zhuang Dafang
%A ZHANG Zengxiang
%A LUO Di
%A <br>
%J 地理学报
%D 2002
%I 
%X In the mid-1990s, we established the national operative dynamic information serving systems on natural resources and environment. During building the land-use/land-cover change (LUCC) database for the mid-1990s, 520 scenes of remotely sensed images of Landsat Thematic Mapper (TM) were interpreted into land-use/land-cover categories at scale of 1:100,000 under overall digital software environment after being geo-referenced and ortho-rectified. The vector map of land-use/land-cover in China at the scale of 1:100,000 was recently converted into a 1-km raster database that captures all of the high-resolution land-use information by calculating area percentage for each kind of land use category within every cell. Being designed as an operative dynamic information serving system, monitoring the change in land-use/land-cover at national level was executed. We have completed the updating of LUCC database by comparing the TM data in the mid-1990s with new data sources received during 1999-2000 and 1989-1990. The LUCC database has supported greatly the national LUCC research program in China and some relative studies are incompletely reviewed in this paper.
%K land-use/land-cover change
%K database<br>
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=869B153A4C6B5B85&jid=F7B5B947C24B9D649491012214E4BEF4&aid=59AEDFD06BDD0EA56E1C3A9691CCAB7B&yid=C3ACC247184A22C1&vid=59906B3B2830C2C5&iid=38B194292C032A66&sid=7979125BBE749348&eid=4133DDB79B497495&journal_id=0375-5444&journal_name=地理学报&referenced_num=0&reference_num=0