Not exact matches
The lag between decreases in sea ice extent during late summer and
changes in the mid-latitude
atmospheric circulation during other seasons (like autumn and winter, when the recent loss of sea ice is much smaller) have been demonstrated empirically, but have not been captured by existing
dynamical models.
It presents a significant reinterpretation of the region's recent climate
change origins, showing that
atmospheric conditions have
changed substantially over the last century, that these
changes are not likely related to historical anthropogenic and natural radiative forcing, and that
dynamical mechanisms of interannual and multidecadal temperature variability can also apply to observed century - long trends.
In turn, temperature
change affects
atmospheric water vapor as well as the more
dynamical components of equator - to - pole insolation and of temperature gradients that vary on timescales of decades to hundreds of years.
It is emergent behviour in a complex
dynamical system characterised by
changes in ocean and
atmospheric circulation and consequential
changes in cloud radiative forcing.
Dynamical effects arising from
changes in
atmospheric pressure also play a role in distributing meltwater, as do geostrophic ocean currents that flow along the lines where pressure gradients are counterbalanced by the Coriolis effect associated with the Earth's rotation.
Wang et al. (2012b) force the
dynamical core of an
atmospheric general circulation model with warming in the tropical troposphere that mimics the effects of climate
change there.