Collapse

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This is the place for discussing the potential collapse of modern civilization and the environment.

Collapse, in this context, refers to the significant loss of an established level or complexity towards a much simpler state. It can occur differently within many areas, orderly or chaotically, and be willing or unwilling. It does not necessarily imply human extinction or a singular, global event. Although, the longer the duration, the more it resembles a ‘decline’ instead of collapse.

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"North Atlantic sea surface temperature anomalies are going vertical again. And yes, I needed to extend the y-axis." (lemmy.world)

submitted 1 year ago by guriinii@lemmy.world to c/collapse@lemmy.ml

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From Prof. Eliot Jacobson:

Wow! Wow! Wow!

North Atlantic sea surface temperature anomalies are going vertical again. And yes, I needed to extend the y-axis.

Yesterday's temperature of 24.49°C (76.08°F) was 4.2σ above the 1991-2020 mean. The previous high for July 17 was 23.71°C (74.68°F) in 2020.

https://twitter.com/EliotJacobson/status/1681321023306874880

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[–] perestroika@lemm.ee 6 points 1 year ago* (last edited 1 year ago)

I think it's a misunderstanding, not a myth.

CO2 influences the greenhouse effect - keeping more solar energy on Earth.

Solar energy gets converted into heat, heat gets absorbed. Some of it gets absorbed by oceans. Some of CO2 also gets absorbed by oceans - their pH decreases. The greenhouse effect doesn't require great time, but oceanic warming and acidification does require time. Interaction happens on the surface, but the volume is great.

Thus, delays in response are inevitable. Response may also depend on circulation - an ocean current slowing or speeding up.