The fact that the ocean gets colder as you go deeper is fairly intuitive, but a similar gradient exists along the surface of the ocean, even at scales of 1 kilometer to tens of kilometers. A new study, published in the Proceedings of the National Academy of Sciences, suggests that this horizonta...
Source: [Phys.org](https://phys.org/news/2026-09-weak-sea-surface-temperature-gradients.html)