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BG | Articles | Volume 16, issue 3
Biogeosciences, 16, 797–810, 2019
https://doi.org/10.5194/bg-16-797-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 16, 797–810, 2019
https://doi.org/10.5194/bg-16-797-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 13 Feb 2019

Research article | 13 Feb 2019

Variations in the summer oceanic pCO2 and carbon sink in Prydz Bay using the self-organizing map analysis approach

Suqing Xu et al.

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Cited articles

Barbini, R., Fantoni, R., Palucci, A., Colao, F., Sandrini, S., Ceradini, S., Tositti, L., Tubertini, O., and Ferrari, G. M.: Simultaneous measurements of remote lidar chlorophyll and surface CO2 distributions in the Ross Sea, Int. J. Remote Sens., 24, 3807–3819, 2003. 
Bates, N. R., Hansell, D. A., Carlson, C. A., and Gordon, L. I.: Distribution of CO2 species, estimates of net community production, and air-sea CO2 exchange in the Ross Sea polynya, J. Geophys. Res., 103, 2883–2896, 1998a. 
Bates, N. R., Takahashi, T., Chipman, D. W., and Knapp, A. H.: Variability of pCO2 on diel to seasonal time scales in the Sargasso Sea, J. Geophys. Res., 103, 15567–15585, 1998b. 
Brainerd, K. E. and Gregg, M. C.: Surface mixed and mixing layer depth, Deep-Sea Res. Pt. A, 42, 1521–1543, 1995. 
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In this study we applied the self-organizing map (SOM) method to estimate the oceanic pCO2 in Prydz Bay derived from its main controlling factors. The RMSE of the SOM-derived pCO2 was 22.14 µatm compared to SOCAT datasets. Our results showed that the monthly averaged uptake of atmospheric CO2 for February 2015 was 23.57±6.36 TgC. Strong potential anthropogenic CO2 uptake in the shelf region will enhance ocean acidification (OA) in the deep water of Prydz Bay and subsequently affect deep OA.
In this study we applied the self-organizing map (SOM) method to estimate the oceanic pCO2 in...
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