Official Journal of the Asia Oceania Geosciences Society (AOGS)
Table 1 Means (standard deviations) of Chl-a (mg m−3) and POC (mg m−3) and their changes (percentages) from 1–8th to 14–21st in August of 2019 and non-typhoon years over 2003–2018
| Â | Bohai Sea | North Yellow Sea | South Yellow Sea | |||
|---|---|---|---|---|---|---|
2003–2018 | 2019 | 2003–2018 | 2019 | 2003–2018 | 2019 | |
Chl-a | ||||||
 1–8th August | 4.67 (1.7) | 4.63 (2.7) | 1.73 (1.6) | 1.18 (1.0) | 1.83 (1.9) | 1.50 (1.7) |
 14–21st August | 5.58 (1.6) | 4.29 (1.4) | 2.41 (2.2) | 1.72 (1.5) | 1.95 (1.8) | 1.74 (2.1) |
 Change (percentage) | 0.92 (20%) | − 0.34 (− 7%) | 0.68 (39%) | 0.54 (46%) | 0.12 (6%) | 0.23 (16%) |
POC | ||||||
 1–8th August | 376 (67) | 329 (84) | 220 (102) | 170 (73) | 201 (100) | 183 (1.6) |
 14–21st August | 421 (58) | 407 (61) | 255 (120) | 249 (117) | 210 (96) | 224 (110) |
 Change (percentage) | 45 (12%) | 78 (24%) | 36 (16%) | 79 (46%) | 9 (4%) | 41 (22%) |
POC:Chl-a | ||||||
 1–8th August | 92 (16) | 78 (18) | 174 (49) | 170 (35) | 169 (59) | 163 (48) |
 14–21st August | 88 (11) | 100 (17) | 151 (41) | 178 (44) | 159 (52) | 182 (59) |