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

Table 2

Water mass properties in spring.

Arrangement	Depth	Bit density	Temperature	Salinity
Surface	0–100	20.5–24.5	21–30.5	33.00–34.80
Subsurface layer	100–200	24.5–25.5	15.5–21	34.10–34.90
Secondary middle	200–300	25.5–26.3	11–15.8	34.30–34.70
Middle level	300–800	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