A Study on Coastline Extraction and Its Trend Based on Remote Sensing Image Data Mining

Table 2

The analytical coastline length of China based on remote sensing from 2007 to 2011.

Year	Coastline length; (m)	Natural coastline length; (m)	Artificial coastline length; (m)	Estuary coastline length; (m)
2007	18,501,296	9,383,095	8,980,905	137,297
2008	18,515,830	9,730,865	8,651,800	133,165
2009	18,599,902	10,167,232	8,301,830	130,839
2010	18,644,768	10,378,360	8,136,654	129,754
2011	18,946,699	10,733,161	8,085,561	127,977