ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa


Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2012, Vol. 9, No. 4, pp. 162-170

Effect of the Arctic polynyas and leads on the atmospheric boundary layer structure and the regional climate

I.A. Repina 1, D.G. Chechin 2
1 A.M. Obukhov Institute of Atmospheric Physics RAS Space Research Institute Russian State Hydrometeorological University, 119017, Moscow, Pyzhevski, 3 117997, Moscow, Profsouznaya, 84/32 195196, Saint-Petersburg, Malookhtinsky, 98
2 A.M. Obukhov Institute of Atmospheric Physics RAS Russian State Hydrometeorological University, 119017, Moscow, Pyzhevski, 3 195196, Saint-Petersburg, Malookhtinsky, 98
This paper discusses the importance of the dynamics of Arctic polynyas diagnosis and modeling to improve global
and regional climate models. A brief review of methods for satellite monitoring of polynyas is proposed. The results
of meteorological and micro-meteorological measurements in the Arctic regions above heterogeneous ice surface are
used to develop parameterizations and to interpret satellite data. We research the atmospheric boundary layer dynamics
in the areas of polynyas and leads, as well as its structure. From a set of data, the dependence of exchange coefficients
of various meteorological parameters in convective processes is determinated. The investigations of metrological
parameter variability under cold-air outbreaks are carried out with mesoscale modeling. This work was supported by
RFBR grants 11-05-00679-a, 12-05-01068-a, 11-05-12019-ofi-m, grant OSL, and the grant of the Government of the
Russian Federation (contract № 11.G34.31.0078).
Keywords: Arctic climate, polynyas and leads, remote sensing methods for polynias size detection, atmospheric boundary layer, exchange processes parameterization
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