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The Thermohaline Circulation and Climate Change

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Effect of the formation of the Isthmus of Panama on Atlantic Ocean thermohaline circulation. Nature, 393, 673-676. Teller, J. T., D. W. Leverington, ... – PowerPoint PPT presentation

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Title: The Thermohaline Circulation and Climate Change


1
The Thermohaline Circulation and Climate Change
  • Michael P. Erb

2
The Thermohaline Circulation
3
Younger Dryas
4
Glacial Lake Agassiz
5
Simulated Tropical Response to a Substantial
Weakening of the Atlantic Thermohaline
Circulation Zhang Delworth 2005 Journal of
ClimateClimate Model Experiment an extra
freshwater forcing of 0.6 Sv (1 Sv 106 m3s-1)
is uniformly distributed over the North Atlantic
for 60 years
6
Simulated Tropical Response to a Substantial
Weakening of the Atlantic Thermohaline
Circulation Zhang Delworth 2005 Journal of
ClimateClimate Model Experiment an extra
freshwater forcing of 0.6 Sv (1 Sv 106 m3s-1)
is uniformly distributed over the North Atlantic
for 60 years
7
Plate Tectonics can affect the Thermohaline
Circulation, too.
Around 3 million years ago the Isthmus of Panama
formed, cutting off the mixing of water between
the Atlantic and Pacific and forcing ocean
circulations to reorganize.
8
Professional Papers
  • Haug, G. H., and R. Tiedemann, 1998. Effect of
    the formation of the Isthmus of Panama on
    Atlantic Ocean thermohaline circulation. Nature,
    393, 673-676.
  • Teller, J. T., D. W. Leverington, and J. D. Mann,
    2002. Freshwater outbursts to the oceans from
    glacial Lake Agassiz and their role in climate
    change during the last deglaciation. Quaternary
    Science Reviews, 21, 879-887.
  • Weaver, A. J., O. A. Saenko, P. U. Clark, and A.
    X. Mitrovika, 2003. Meltwater Pulso 1A from
    Antarctica as a Trigger of the Bolling-Allerod
    Warm Interval. Science, 299, 1709-1713.
  • Zhang, R., and T. L. Delworth, 2005. Simulated
    Tropical Response to a Substantial Weakening of
    the Atlantic Thermohaline Circulation. Journal
    of Climate, 18, 1853-1860.
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