• mkwt@lemmy.world
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        24 hours ago

        Yeah. Look at how much rock in both pics is dark because it’s still wet from the high tide.

        Comparing two instantaneous pics is pretty hopeless because the high and low tide levels vary due to very complicated factors that depend on your exact location.

        Finally, when it comes to sea level rise, past performance does not guarantee future results.

        Sea level rise happens because the ice that’s currently in Antarctica and the Arctic is melting, becoming more seawater. Ice sheet melting feeds back on itself: melting begets warming; begets more melting. That means that when it does really get going, it’s gonna tend to all come out all at once. Right now, we’re at the stage where it’s just starting to get some real momentum rolling, and there’s still some uncertainty about exactly when in the next 100 years the critical triggers will hit on specific big ice sheets like Ross.