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A comparative study of three SST reanalysis products and buoys data over the China offshore area
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Chenqi Wang1, Xiang Li1, *, Yunfei Zhang1, Ziqing Zu1, Runyu Zhang2
Haiyang Xuebao | 2020, 42(3) : 118 - 128
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Haiyang Xuebao | 2020, 42(3): 118-128
• Marine Information Science •
A comparative study of three SST reanalysis products and buoys data over the China offshore area
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Chenqi Wang1, Xiang Li1, *, Yunfei Zhang1, Ziqing Zu1, Runyu Zhang2
Affiliations
  • 1 Key Laboratory of Marine Hazards Forecasting, Ministry of Natural Resources, National Marine Environmental Forecasting Center, Beijing 100081, China
  • 2 National Marine Environmental Forecasting Center, Beijing 100081, China
Published: 2020-03-25 doi: 10.3969/j.issn.0253-4193.2020.03.011
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Based on the buoys data over the China offshore area during July 1, 2018 to August 6, 2018 collected by the Ministry of Natural Resources, three SST reanalysis products (OISST, OSTIA SST, RTG SST) were validated and compared through analyzing the mean bias, root mean square error (RMSE), correlation coefficient and standard deviation bias. The comparison results show that in the whole time, three SST reanalysis products we used are comparable to the buoys data. The mean bias and correlation coefficient between OSTIA SST dataset and buoy SST data is 0.12℃ and 0.94, better than OISST dataset (−0.85℃, 0.90) and RTG SST dataset (−0.17℃, 0.86). Compared with 80% buoys, the reliability of OSTIA SST dataset is higher than OISST dataset and RTG SST dataset significantly. During typhoon transit periods, absolute values of mean bias and RMSE (correlation coefficient) between OSTIA SST dataset and buoy SST data are smaller (larger) than RTG SST dataset and OISST dataset, which means that OSTIA SST dataset can capture the basic characteristics of SST over the China offshore area more accurately in severe sea conditions.

China offshore area  /  buoy data  /  SST reanalysis products
Chenqi Wang, Xiang Li, Yunfei Zhang, Ziqing Zu, Runyu Zhang. A comparative study of three SST reanalysis products and buoys data over the China offshore area[J]. Haiyang Xuebao, 2020 , 42 (3) : 118 -128 . DOI: 10.3969/j.issn.0253-4193.2020.03.011
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Article Info
doi: 10.3969/j.issn.0253-4193.2020.03.011
  • Receive Date：2019-01-31
  • Online Date：2026-03-26
  • Published：2020-03-25
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  • Received：2019-01-31
  • Revised：2019-07-24
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    1 Key Laboratory of Marine Hazards Forecasting, Ministry of Natural Resources, National Marine Environmental Forecasting Center, Beijing 100081, China
    2 National Marine Environmental Forecasting Center, Beijing 100081, China
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红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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