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The Problem with Polynyas

A new study from British Antarctic Survey uses MITgcm to explore what effect excessive Weddell Sea convection may have on nearby continental ice shelves.


Shelf Slip

This month we spotlight work by researchers at Imperial College, London, UK, who have been using MITgcm to study the circulation on the Shetland Shelf system.


Map Check

This month we spotlight work by researchers at the University of South Florida who have been using MITgcm in a study assessing mapping error in Southern Ocean transport computed from satellite altimetry and Argo float data.


Shelf Life

This month we focus on work led by Hajoon Song, a postdoc at MIT, who has been using MITgcm to explore nutrient sources for the Patagonia Shelf Region.


Turning Ocean Mixing Upside Down

This month we report on work by Ali Mashayek and Raf Ferrari of MIT who have been using MITgcm to help them understand what sets the density structure and rate of overturning in the ocean.



北极海冰数值预报的初步研究!!!MITgcm基于海冰!海洋耦合模式!”# $

Bathymetry and boundaries of the Arctic domain in the model - source Yang et al., 2011.This month we shine light on recently published work by a team of Chinese investigators who have been using MITgcm to study Arctic sea ice.


Baroclinic Instability in the Ocean

Global maps of inverse Eady time scale (days−1) (upper panel) and the ratio Lbci/Ldef (lower panel) - source Tulloch et al., 2011.In a new JPO paper, Ross Tulloch, John Marshall, Chris Hill and Shafer Smith report on an observational, modeling and theoretical study of the scales, growth rates and spectral fluxes of baroclinic instability in the ocean, permitting a discussion of the relation between the instability scale, the first baroclinic deformation scale (R1) and the equilibrated eddy scale.