Summary
SURATLANT is a validated long-term surface ocean monitoring dataset spanning 1993–2017 from the central North Atlantic subpolar gyre, compiled from ships of opportunity and supplemented with discrete sampling. The dataset provides essential oceanographic and biogeochemical observations for understanding regional carbon cycling, ocean circulation dynamics, and climate variability in a region sensitive to North Atlantic Oscillation and other climate drivers. This resource enables assessment of decadal trends and anomalies relevant to understanding ocean resilience and anthropogenic forcing.
UK applicability
The North Atlantic subpolar gyre is hydrodynamically linked to waters affecting UK and North European coastal regions. Findings on long-term physical and biogeochemical trends in this region inform understanding of UK ocean conditions, marine ecosystem responses, and carbon cycling relevant to marine policy and climate adaptation.
Key measures
Sea surface temperature, salinity, dissolved inorganic carbon (DIC), total alkalinity, partial pressure of CO₂ (pCO₂), nutrient concentrations, and derived variables such as ocean acidification indicators
Outcomes reported
The study compiled and validated 24 years of surface ocean physical and biogeochemical measurements from the central North Atlantic subpolar gyre, including temperature, salinity, dissolved inorganic carbon, and partial pressure of CO₂. The dataset characterises interannual variability, seasonal patterns, and long-term trends in a climatically sensitive ocean region.
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