Project

Multidecadal variability:

 

 

Linkages/mechanisms of MDV in the Arctic and North Atlantic climate system

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fig

Striking linkage: Long-term variations of the key components of the Arctic/North Atlantic climate system.

fig

Schematic depicting the two states of multidecadal variability in the North Atlantic is based upon previous numerous studies and shows that during MDV phases.

 

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The observations demonstrate a strikingly coherent pattern of large-scale low frequency variations of key Arctic and North Atlantic climate variables (e.g. slp, SST, SAT, & ice cover) as well as a strong coupling between the variations in the Arctic and the North Atlantic. What are the mechanisms which drive this variability and provide linkages of the Arctic/North Atlantic system components? Despite numerous problems, associated, for example, with a lack of observational data, there is strong and steady progress towards the synthesis of a coherent picture of MDV. Our schematics summarizes the present-day knowledge about the different components of the climate system and how they operate together. The evidence supports the notion the ocean and notion that the ocean and air-ocean interactions play a key role in shaping the Arctic/North Atlantic MDV. Advances in climate modeling and further analysis of observational data promise to aid with our progress in understanding of how MDV in the climate system operates.