Table 5 Maximum gradient values (MGV) for vertical gradient check.

From: A regional ocean database for the Coastal China Sea

Variables

MGV (depth ≤ 400 m)

MGV (depth > 400 m)

Temperature (°C)

0.8

0.25

Salinity (psu)

0.15

0.04

DO (µmol/L)

1.54

1.33

Silicate (µmol/L)

1.18

0.44

Nitrate (µmol/L)

0.37

0.1

Phosphate (µmol/L)

0.02

0.0075

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