Physical oceanography
Physical oceanography on World Data Ocean: a running collection of 2 stories we have gathered and hand-picked because they are worth your time. Every post here touches on physical oceanography in some way — the news, the analysis, the deep dives, and the occasional surprise find. A Global Hub for Ocean Intelligence 4 World Data Ocean is a centralized digital platform where researchers, scientists, and ocean enthusiasts converge to explore, analyze, and… New stories are added to this page as we find them, so check back if you want to keep up with what is happening around physical oceanography, or subscribe to the RSS feed to get them as soon as they are published. Browse the collection below, or head back to the homepage to see everything World Data Ocean is covering right now.
[OC] A short explainer on the North Atlantic warming hole: heat transport, freshening, stratification, and AMOC
The North Atlantic warming hole, a region of unusually cold sea surface temperatures south of Greenland, has garnered significant attention. This explainer video clarifies frequently misunderstood aspects of this phenomenon, distinguishing between sea-surface temperature and total ocean heat content, and addressing the role of freshening and stratification. It also cautions against generalizing localized subsurface warming and emphasizes that while the warming hole may reflect shifts in ocean heat transport, it doesn't inherently signal imminent AMOC collapse.

Correction: Climate-driven phenological shifts and biogeographical constraints of the hydrozoan Velella velella in Mediterranean coastal waters
Recent research validates significant shifts in the distribution and lifecycle timing (phenology) of *Velella velella*, a hydrozoan species, within Mediterranean coastal waters, demonstrably linked to climate change. Empirical data reveal biogeographical constraints impacting this species’ range, highlighting the cascading effects of altered ocean conditions. This study contributes critical ocean intelligence regarding climate indicators and ecosystem response. For further insights into deep-sea exploration informing our understanding of ocean dynamics, see "Camera 1: 2026 Cook Islands ROV Exploration (EX26045)."