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Reply #20: That's because AR4 does *not* include any data on arctic/antarctic melting.
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joshcryer
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Wed Sep-30-09 03:38 PM
Response to Reply #15 |
20. That's because AR4 does *not* include any data on arctic/antarctic melting. |
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None. Nada. It only includes sea level rise from thermal expansion of the seas (as water heats up it takes up slightly more volume) and alpine glacial runoff. That's *all*. Even before AR4 got published estimations of ice melt were being thrown around, but since it was past the deadline AR4 could not include it.
A *lot* of research is being done and it seems the arctic / Greenland sheets are decreasing at an alarming pace. I frankly think this guy is being actually quite conservative.
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