[Retracted] Prediction of Long-term Variation of Ocean Circulation Based on Grey Correlation Clustering

Table 3

Water mass properties in summer.

Arrangement	Depth	Bit density	Temperature	Salinity
Surface	0–120	20–24	22–30.5	32.50–34.65
Subsurface layer	120–200	23.5–25.5	16–22	34.00–34.85
Secondary middle	200–350	25.25–26.4	11–16	34.35–34.65
Middle level	350–800	26.3–27.2	5.5–11	34.25–34.50
Deep level	>800	27–27.8	1.5–5.5	34.30–34.70