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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Advective transport between atmospheric layers
 Zajíček, Radek ; Šácha, Petr (advisor) ; Karami, Khalil (referee)
The transport in the middle atmosphere is controlled by the global-scale Brewer-Dobson circulation. Advective transport is an important component of the Brewer-Dobson circulation. Using the transformed Eulerian mean framework this thesis focuses in detail on advective transport in the middle atmosphere based on data from the ERA5 reanalysis and chemistry-climate models within the Coupled Model Intercomparison Project Phase 6 (CMIP6) and the Chemistry-Climate Model Initiative (CCMI-1). Part of the thesis concerns the derivation of a new method for analytical decomposition of transport changes into partial kinematic factors such as accelerating residual circulation, changes in the vertical structure of the middle atmosphere and others.
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Transport between the stratosphere and mesosphere
 Zajíček, Radek ; Pišoft, Petr (advisor) ; Mikšovský, Jiří (referee)
The transport between the stratosphere and mesosphere is controlled by the large-scale Brewer- Dobson circulation. This thesis investigates the influence of greenhouse gases and ozone-depleting substances on the development of vertical flow in the middle atmosphere for the period 1960-2080, especially integrated flows through the stratopause. The vertical flow analysis is based on the residual stream function, the data of which were obtained by calculation from chemistry-climate models within the Chemistry-Climate Model Initiative (CCMI-1) . The results of the work show a clear effect of increasing concentration of greenhouse gases in the atmosphere on the amplification of the deep branch of the Brewer-Dobson circulation, both in ascending and descending movements.
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See also: similar author names
3 Zajíček, Robert
4 Zajíček, Roman
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