What causes recent acceleration of melting of ice in antarctica
4
46
280
resolved Jan 14
100%49%
Natural variability plus some global warming (so it returns to the low edge of previous years value as is typical)
11%Other
2%
Global Warming + (start of) El Nino + Sulfur Emission Termination Shock w/ global circulation
37%
Massive methane hydrates destabilization + loss of albedo

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📢Resolved to Natural Variability.

@MKowal Can you please resolve this?

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How does this resolve?
I don't think there is any evidence for
1. Massive methane hydrates destabilization
2. The departure from norm has been after May when it it dark so that makes no sense.
3. Start of El Nino is there any evidence that Antarctic ice correlates with El Nino? If there is I would expect a lagged effect so the timing seems wrong.
4. Sulfur emission termination shock is usually associated with solar radiation management and cessation thereof but we haven't started such sulfur emissions to stop them. There has been reductions of shipping sulfur emissions which might be what is referred to. I think this and any global circulations changes would have longer lasting effect.

Consequently I think two of the answers seem rather dubious.

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