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Some Climate-Change Feedback Mechanisms |
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Name |
Nature (+/-) |
Description |
|
Vapor-temperature rise |
+ |
Higher T Þ Atmospheric H2O vapor ↑ Þ greenhouse effect ↑ Þ T ↑ |
|
Snow-albedo feedback |
+ |
Higher T Þ snow/ice reduction Þ albedo ↓ Þ T ↑ |
|
Cloud-temperature feedback |
- |
Higher T Þ H2O vapor ↑ Þ cloud cover ↑ Þ T ↓ |
|
Sea level-temperature feedback |
- |
Higher T Þ snow/ice reduction Þ sea level ↑ Þ Arctic-Atlantic circulation ↑ Þ Arctic ice melt ↑ Þ Northern snowfall ↑ Þ T ↓ |
|
Maritime CO2 feedback |
+ |
Higher T
Þ warmer seas
Þ less ability
for seas to hold dissolved CO2 Þ more atmospheric CO2 Þ greenhouse effect ↑ Þ T ↑ |