Inlay

https://www.socat.info Posts are for information and are not endorsements.

Surface Ocean CO₂ Atlas

Frederic Bonou et al.* take a look at the seasonal and interannual variability of various CO₂ variables in the Tropical Atlantic. doi.org/10.3390/jmse... A. Nathanael Dossa, Adeola M. Dahunsi and Zacharie Sohou

Matthew Humphreys revisits the fundamentals of the effect of temperature on sea water fCO₂ and the resulting implications. doi.org/10.5194/os-2... #ocean #carbon

Zelun Wu et al. * develop a machine learning method to map surface pCO₂ along the North American Atlantic coastal ocean margin. doi.org/10.5194/essd... #ocean #coast #co2 Wenfang Lu, Alizée Roobaert, Luping Song, Xiao-Hai Yan, Wei-Jun Cai

Rik Wanninkhof et al.* examine a machine learning method to construct air-sea CO₂ fluxes and its sensitivity to differing atmospheric forcings. doi.org/10.1029/2024... #ocean #co2 #flux #MachineLearning *Joaquin Triñanes, Denis Pierrot, David R. Munro, Colm Sweeney, Amanda R. Fay

Qiwei Sun and Yan Du assess sea surface temperature and ocean dynamics as drivers of interannual air-sea CO₂ flux variability in the Tropical Pacific. doi.org/10.1007/s003... #ocean #pacific #ElNino #co2

Hongqiang Yan et al.* explore the distribution and fluxes of CO₂ in and around the coral reefs of the Greater Bay Area in China. www.sciencedirect.com/science/arti... #ocean #co2 #flux #coral Shichen Tao, Lijia Xu, Qi Shi, Yongzhi Wang, Meixia Zhao, Shengnan Zhou, Xiaoju Liu

IOCCP is looking for four new members of its Scientific Steering Group: Data and Information Access Services Regional Coordinator for South East Asia Coordination of Oxygen Essential Ocean Variable Instruments, Sensors and Technical Training Workshops See www.ioccp.org/news/call-fo... for details.

Fantastic review on the ocean carbon cycle and climate led by Laure Resplandy that pulls together impressive budgets and tackles some key narratives 🌊 www.science.org/doi/pdf/10.1...

New preprint out 🌊 As part of @tricuso.bsky.social, we revisit the Southern Ocean CO₂ sink using both ship data (SOCAT) and year-round BGC-Argo floats in the last 20 years 🤖

Surface Ocean CO₂ Atlas

1/1 The GCP-Global Carbon Budget 2025 has just been published in its final form. It is the same data we released at the last COP in Nov 2025, but given the many improvements this budget introduced compared to previous editions, it underwent a longer and more detailed peer review process.

Surface Ocean CO₂ Atlas

Prof Alessandro Tagliabue

An extremely randomized trees machine learning approach yields a global CO2 flux of −1.70 PgC yr−1 with a trend of −0.89 PgC yr−1 decade−1 The trend changes to −0.51 PgC yr−1 decade−1 when the ta...

From May to June 2021, the sea surface partial pressure of CO2 (pCO2) and air-sea CO2 fluxes around six coral reefs in the Great Bay Area (contain Pea…

www.sciencedirect.com

Ocean carbon uptake is crucial to mitigate carbon emissions due to human activities. The internal variability in air-sea CO2 fluxes (FCO2) significantly affects the carbon budget assessment, especially in the tropical Pacific. However, the Coupled Model Intercomparison Project fails to capture real-world interannual variability of FCO2, especially in the tropical Pacific. Based on observed sea surface temperature (SST) in the eastern tropical Pacific, the Pacific Ocean–Global Atmosphere (POGA) experiment reproduces real-world interannual variability in FCO2 consistent with observations in the tropical Pacific. The results show that this variability is dominated by El Niño-Southern Oscillation (ENSO) events by Bjerknes feedback. Dynamic and thermodynamic decompositions further support the nonthermal processes that dominate the interannual variability of FCO2, with stronger upwelling bringing higher dissolved inorganic carbon (DIC) from the subsurface to the surface, increasing the FCO2, and vice versa for downwelling. However, the SST thermal effect is opposite in phase to FCO2 changes, partly offsetting the effects of dynamic processes. Using the observed SST, the POGA experiment also extends the FCO2 datasets to the 1930s, partially overcoming the limitation of observations, and helping us understand interannual to decadal variability and vertical physical processes.

The IOCCP promotes the development of a global network of ocean carbon observations for research through technical coordination and communication services, international agreements on standards and me...

Abstract. Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, and terrestrial biosphere in a changing climate is critical to bette...