19 - Melting Ice Sheets

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19 +7 m +54 m Fuente: IPCC Deshielo de casquetes polares
Set 3 www.climatefresk.org 19 Los casquetes polares (o glaciares continentales) están en Groenlandia y en la Antártida. Si se derritieran totalmente, el nivel del mar subiría 7 metros debido a Groenlandia y 54 metros debido a la Antártida. Durante la última era glacial los casquetes polares eran tan grandes que el nivel del mar era 120 metros inferior al actual.
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1
Cause

Energy Budget

Energy Budget

2
Consequences

Rising Sea Levels

Melting Ice Sheets

Weakening Gulf Stream

Melting Ice Sheets

Freshwater coming from the melting of Greenland may threaten the thermohaline circulation.

1
Other possible cause

Disruption of the Water Cycle

Disruption of the Water Cycle

It's a bit technical, but the blue part of the map of Antarctica on card 19 represents a gain in mass due to an increase of precipitations. The red part represents a loss in mass. In total, Antarctica is losing mass.
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