Study on coastline change in Shandong Province based on geo-information TuPu

With 4 periods of remote sensing images as data sources, based on Geo-information TuPu analysis method, coastline change information mapping of Shandong province during the past 30 years is established using ArcGIS software, and then this kind of information was studied deeply. The conclusions are as follows: 1) During the past 30 years, coastline of Shandong province shows an increasing trend; the centre of increasing shifts eastward gradually; different areas have different increasing situations. 2) During the past 30 years, coastline change degree of Shandong province is basically stable, change fiercely areas concentrate on the Yellow River estuary while Zhaoyuan, Penglai and Longkou have a rather slow degree. 3) From 1980 to 1990, coastline of Shandong province retreats to land quickly, draws back slowly from 1990 to 2000 while advances to sea rapidly entering into 21st century; Dongying has a backward trace for 30 years, Zhaoyuan and Laiyang have been basically unchanged, Yantai, Rizhao and Jiaonan have a obvious trend of advancing to sea.