Table 1.

Summary of in-situ datasets and value ranges of variables collected from the literatures.

Dataset	ID	Format	Number of data	Regions	Temperature	Salinity	DO	Silicate	Nitrate	Nitrite	Ammonium	Phosphate	DIC	DOC	POC	Chl a
					(°C)	(psu)	(μmol/L)									(μg/L)
Argo	1	NetCDF	160,605	121.44°–146.42°E 20.96°–45.24°N -1.69m–1984.5m	130,086	118,342	120,038	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
CCHDO	2	xlsx	317,192	180°W–179.99°E 78.64°S–89.99°N -3.08m–6742m	314,034	311,779	282,601	249,515	246,708	95,354	251,362	13,621	124,897	99,819	8,824	N/A
NESSDC	3	xlsx	5,323	109.03°E–127.29°E 17.96°N–40.72°N 0m – 4795m	N/A	N/A	N/A	N/A	N/A	N/A	N/A	5,320	N/A	N/A	N/A	N/A
CoastDOM	4	tab	70,823	117.97°W–175.30°E 64.82°S–80.39°N 0m–1343.1m	70,823	70,289	N/A	N/A	28,672	N/A	N/A	27,926	3,847	62,342	16,373	29,526
GLODAPv2	5	csv	573,505	120.08°–133.99°E 78.63°S–62.78°N 0m–7507m	570,764	567,811	538,935	482,983	479,646	160,003	488,830	27,547	N/A	34,758	N/A	N/A
R2R	6	cnv	3,373,449	119.01°E–132.25°E 17.74°N–26.01°N -4.64m–6984m	3,373,449	3,373,449	3,373,449	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Literature range					1.89–3146,50–54	16.3–3646,50,52–54	33.43–42651,55–59	1.4–14257,59–63	0–17550,51,60–62,64,65	0.04–5.850,51,60–62,64,65	0.1–4356,60,66,67	0.03–3.0351,60–64	1600–240555,68–72	35–12069,73–77	0.05–221.6645,55,73,78,79	0–2250,68,80–83

Negative depth values indicate depths above sea level and marks data unpublished in the scientific literatures.