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Baba_Yaga_Stonks t1_j2d4zwe wrote

Reply to comment by CrustalTrudger in thermal expansion affecting climate change? by mjoninha

Correct me if I'm wrong, but the saltiness of the ocean wouldn't affect sea levels surely? Yes salt water if more dense due to it having literal salt added to it, but because its dissolved it doesn't add or take away from the volume?

Or is there something I've misunderstood/am missing?

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CrustalTrudger t1_j2dku87 wrote

You are incorrect, halosteric (i.e., change in sea level due to salinity related changes in density) sea level change is definitely a thing. It's a smaller component than thermosteric changes, e.g. Durack et al., 2014 estimate the magnitude of halosteric changes to be 1/4 of the magnitude of thermosteric changes, but still significant.

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