Tuesday 9 October 2018

Monitoring Arctic Environmental Changes Through the Application of the Next Generation Coupled Regional Climate Model (MAOPS)- Lupine Publishers

Global warming is associated with significant polar amplification feedbacks. But how strong is the amplification? Will it be a slow increase or will it accelerate in the coming 20-100 years? This is currently unknown, despite 20 years of research. One of the problems is that most Arctic processes feedbacks reside in the eddy resolving detail because of the high latitude nature of the problem with a small Rossby Radious of deformation. As a result, a high-resolution model is needed to capture eddy-resolution at high latitude zones. The Arctic cloud-radiation feedback when coupled with the ice-albedo feedback is not adequately captured in the current coupled climate models [1], partly due to the coarse resolutions of both the atmosphere and ocean models that will fundamentally affect quantification of polar amplification. The proposed model framework will permit a new transformative way of thinking about the climate feedbacks (ocean-atmosphere exchange) in the Arctic both positive and negative. Changes to the marine biota are known to involve oceanic oxygen and carbonate chemistry.

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