this post was submitted on 09 Mar 2024
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obviously this is warmer than usual, but i still have an unrelated stupid question: why isn't ocean temperature basically constant over a year? are they measuring a certain area more than others? seasons shouldn't affect this, so is the orbit doing something weird?
Just a guess, but the earth orbits closer to the sun during the northern hemisphere’s summer and farther during the northern hemisphere’s winter.
There's also not the same amount of ocean surface on the northern hemisphere and southern hemisphere, although I think this actually cancels out some of the difference due to Earth's orbit.
Ocean currents are pretty significant as well - if Antarctica wasn't surrounded by huge oceans on all sides we probably wouldn't have any icecaps left already
Yeah, the other comment explained the actual reason, which is ocean currents. I was just spitballing but both the reasons in this particular thread of responses are extremely small next to ocean currents.