Research Article

A Spatiotemporal Change Detection Analysis of Coastline Data in Qingdao, East China

Table 2

The coastline classification system of Qingdao, East China.

Primary categoriesSecondary categoriesClassification definitionLocation name

NaturalBedrock boundary lineIt is the demarcation line on the bedrock coast between the land and seaLiuqinghe
Estuary boundary lineThe border between the ocean and the estuary and between the ocean and the riverMengjiatan
Sandy boundary lineComposed of loose, very soft, and fine materials such as sand, silt, and sludge; comprising relatively straight coastline and wide, long beaches; sand in the bay at high tideJinshatan
Muddy boundary lineCoastline on the muddy or silt coast, which is usually at the vegetation line where salt-tolerant plant distribution patterns changeWangtai

ArtificialSalt field boundary lineThe saline-alkali drying sea-land dividing lineTaitou
Construction boundary lineA land-to-sea demarcation line for the growth of the maritime industry and for other constructionsSuliu
Harbor and wharf boundary lineA demarcation line for the practical usage of port terminals between the land and seaXiangyang
Breeding boundary lineAn artificially built land-sea border for aquacultureYinghai
Road boundary lineThe land-sea dividing line of the artificially built highwayXiaozhuang
Other artificial boundary linesLines of artificial boundaries, which do not belong to the classification above 

Modified from [3, 57–60].