Premium
Chemical and dynamical response to the 11‐year variability of the solar irradiance simulated with a chemistry‐climate model
Author(s) -
Egorova T.,
Rozanov E.,
Manzini E.,
Haberreiter M.,
Schmutz W.,
Zubov V.,
Peter T.
Publication year - 2004
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/2003gl019294
Subject(s) - atmospheric sciences , solar irradiance , environmental science , stratosphere , ozone , climatology , forcing (mathematics) , climate model , irradiance , troposphere , solar cycle , latitude , climate change , meteorology , physics , geology , solar wind , oceanography , quantum mechanics , astronomy , magnetic field
Atmospheric effects of the solar irradiance variations during 11‐year solar cycle are investigated using a chemistry‐climate model. The model is enhanced by a more detailed parameterization of the oxygen and ozone UV heating rates. The simulated ozone response to the imposed solar forcing shows a positive correlation in the tropical stratosphere and a negative correlation in the tropical mesosphere, in agreement with theoretical expectation. The model suggests an acceleration of the polar night jets in both hemispheres and a dipole structure in the temperature changes at high latitudes. The model results also show an alteration of the tropospheric circulation air resulting in a statistically significant warming of 1 K in the annual mean surface air temperature over North America and Siberia. This supports the idea of a solar‐climate connection.