基于GIS和RS的山东日照海岸带1988—2018年间演化分析
苗苗, 谢小平

Spatial-temporal evolution analysis of Rizhao coastal zone during 1988—2018 based on GIS and RS
MIAO Miao, XIE Xiaoping
图4 研究区坡度图
Fig.4 Slope map of the study area