垦利区
垦利区-
选择黄河三角洲垦利县为研究区，采用1987~2000年4个时相的TM数字图像，以基于知识与规则的分类方法提取土地利用/覆被信息，分析研究区土地利用/覆被的时空变化。
Choosing Kenli County in the Yellow River Delta as the study area , using four TM digital images from 1987 ~ 2000 , land use / cover information was acquired by knowledge and rule based method , and land use / cover temporal and spatial changes were analyzed .