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1.
V. P. Dymnikov V. N. Lykosov E. M. Volodin 《Izvestiya Atmospheric and Oceanic Physics》2006,42(5):568-585
The properties of the climate system as a physical object are considered. Major concepts of the mathematical theory of climate are stated, and the problems of constructing mathematical climate models are discussed. The results of reproducing the present-day climate are analyzed, and the sensitivity of the climate system to changes in the content of greenhouse gases is considered. Major directions are formulated in which the development of the mathematical theory of climate and of modeling climate and climate change is possible. 相似文献
2.
O. O. Rybak E. M. Volodin A. P. Nevecherya P. A. Morozova 《Russian Meteorology and Hydrology》2016,41(6):379-387
The Greenland ice sheet is a very important potential source of fresh water inflow to the World Ocean under warming climate conditions. Apparently, it was the same during the Last Interglacial 130-115 thousand years ago. In order to quantify input of the Greenland ice sheet to the rise of the global mean sea level in the past or in the future, we include a surface mass balance model block into the Earth System Model. The computational algorithm is based on the calculation of energy balance on the ice sheet surface. The key tuning parameter of the model is the daily amplitude of air surface temperature. It defines the area and the rate of snow or ice melting. The range of possible values of this parameter is determined during a series of numerical experiments. High sensitivity of meltwater runoff volume to surface air temperature amplitude is revealed. 相似文献
3.
The reproduction of dynamic processes in the stratosphere at extratropical latitudes is considered in calculations of the atmospheric module of the global climate model of the Institute of Numerical Mathematics, Russian Academy of Sciences, with an upper boundary of 0.2 hPa (~60 km) for the period from 1979 to 2008 in comparison with the data observational. Changes in temperature, zonal wind, activity of planetary waves, heat fluxes in the lower stratosphere, and sudden stratospheric warmings with the displacement and splitting of the polar vortex, as well as the distribution of associated circulation anomalies in the troposphere, are analyzed. 相似文献
4.
As follows from data analysis of physical modeling, the reaction of acoustic background oscillations to an external impact is well-defined under triaxial loading of a dry sandstone core in the low-frequency range (1–100 Hz). This phenomenon is explained by the generation of a low-frequency constituent of acoustic emission. A high correlation of oscillation dynamics (Klimontovich S entropy) is observed at frequencies of tens of hertz and tens of kilohertz in the absence of such a correlation in the intermediate frequency range; a synchronous increase in the oscillation level is also observed at low and high frequencies. 相似文献
5.
Simulating present-day climate with the INMCM4.0 coupled model of the atmospheric and oceanic general circulations 总被引：5，自引：0，他引：5
E. M. Volodin N. A. Dianskii A. V. Gusev 《Izvestiya Atmospheric and Oceanic Physics》2010,46(4):414-431
The INMCM3.0 climate model has formed the basis for the development of a new climate-model version: the INMCM4.0. It differs
from the previous version in that there is an increase in its spatial resolution and some changes in the formulation of coupled
atmosphere-ocean general circulation models. A numerical experiment was conducted on the basis of this new version to simulate
the present-day climate. The model data were compared with observational data and the INMCM3.0 model data. It is shown that
the new model adequately reproduces the most significant features of the observed atmospheric and oceanic climate. This new
model is ready to participate in the Coupled Model Intercomparison Project Phase 5 (CMIP5), the results of which are to be
used in preparing the fifth assessment report of the Intergovernmental Panel on Climate Change (IPCC). 相似文献
6.
E. A. Jadin Yu. A. Zyulyaeva E. M. Volodin 《Izvestiya Atmospheric and Oceanic Physics》2008,44(5):594-605
The leading modes of interannual and long-term variations in the stratospheric and tropospheric circulation and total ozone (TOMS data) and their relations to Northern Hemisphere sea surface temperature (SST) anomalies are investigated using the monthly mean NCEP/NCAR reanalysis data for the winter months of 1958–2003. Strong correlations are indicated between the interannual total ozone variations over Labrador and the North Atlantic and changes in the stratospheric polar vortex. The onset of major stratospheric warmings is connected not only with the strengthening of westerlies at the 500-hPa level in the midlatitude Atlantic, but also with the weakening of tropospheric winds over the north of eastern Siberia and strengthening over the Far East. In years with major stratospheric warmings, abnormally cold winters are observed in Eurasia, especially in eastern Siberia and northeastern China. The calculated simultaneous (with no time lags) correlations of the stratospheric circulation changes with El Niño/La Niña events give evidence of low correlations between the tropical Pacific SST anomalies and the stratospheric dynamics in the Arctic. However, there are high correlations of the extratropical Pacific and Atlantic SST anomalies with interannual tropospheric and stratospheric circulation variations, the stratospheric dynamics being more strongly connected with Pacific SST than with Atlantic SST anomalies. The interannual changes in tropospheric circulation are coupled to SST anomalies in both the Pacific and the Atlantic. Mechanisms of long-term changes in the interactive ocean-atmosphere-ozone layer system are discussed. 相似文献
7.
D. V. Kulyamin E. M. Volodin V. P. Dymnikov 《Izvestiya Atmospheric and Oceanic Physics》2009,45(1):37-54
The problem of simulating quasi-biennial oscillations (QBOs) of zonal velocity in the equatorial stratosphere in atmospheric general circulation models is considered. In accordance with the results from Part I of this study on the basis of the models developed at the Institute of Numerical Mathematics of the Russian Academy of Sciences (INM RAS), the possibility of implementing (in these models) mechanisms of QBO excitation through both the interaction of planetary waves with the mean flow and breaking of short gravity waves is investigated. A new high-resolution 2° × 2.5° × 80 version of the INM RAS model is designed, a climate simulation with the two 2° × 2.5° × 39 and 2° × 2.5° × 80 versions of the INM RAS model is briefly described, results of spectral analysis of equatorial wave activity are presented, and the QBO formation processes in these models are considered in detail. For the new 2° × 2.5° × 80 model, realistic QBOs of zonal wind are obtained as the result of the action of both mechanisms. 相似文献
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9.
V. V. Kaminskiy N. N. Stepanov N. M. Volodin Yu. N. Mishin 《Solar System Research》2014,48(7):561-567
The paper describes the dependence of the piezoresistance of the hydrostatic compression of the SmS baroresistor on mechanical properties of the electrical part of the carrier. Isotropic and anisotropic materials are considered that can serve as a baroresistor carrier. 相似文献
10.
Izvestiya, Atmospheric and Oceanic Physics - For the evolution equation, a technique is proposed to estimate the contribution of different terms to a phase change during oscillations of different... 相似文献