Staff – Institute of Atmospheric Physics CAS

RNDr. Peter Križan, Ph.D.

Department:	Department of Ionosphere and Aeronomy
Position:
Position:	Research Scientist
E-mail:
Phone:	+420 267 103 055
Room:	G316

Education:

1986-1991 – Faculty of Mathematics and Physics, Charles University, Prague, meteorology and climatology

1991-1994 – Faculty of Mathematics and Physics, Charles University, Prague, Department of Atmospheric Physics

Employment and academic experience:

Professional interest:

Visits abroad

2005 – Polish Academy of Science 4 week stay

2006 – Polish Academy of Science 3 week stay

2006 a 2007 –ALOMAR observatory Andenes, Norway, 3 month stay

2008-2010 – Chinese Academy of Science, Beijing 2 month stay

Topics of research

Characteristics of ozone lamina and their trends, vertical profile of ozone and its connection to stratospheric circulation, yearly coarse of total ozone and its trend, ozone in Europe and in China.

Other info:

Projects:

MŠMT. ME10077 , Změny v trendech celkového ozónu v Číně a v Evropě, 2010-2012, investigator (IAP): Križan Peter

Publications:

Kozubek, M., Križan, P., Ramatheerthan, S. K., Laštovička, J., 2024: Large Ozone Hole in 2023 and the Hunga Tonga Volcanic Eruption, Pure and Applied Geophysics, 181, 2391-2402
Križan, P., 2024: Attempt to Explore Ozone Mixing Ratio Data from Reanalyses for Trend Studies, Atmosphere, 15, 11, 1298
Križan, P., Kozubek, M., Laštovička, J., Lán, R., 2021: Share of Discontinuities in the Ozone Concentration Data from Three Reanalyses, Atmosphere, 12, 11, 1508
Kozubek, Michal, Križan, Peter, Laštovička, Jan, 2020: Homogeneity of the Temperature Data Series from ERA5 and MERRA2 and Temperature Trends, Atmosphere, 11
Kozubek, Michal, Laštovivčka, Jan, Križan, Peter, 2020: Comparison of Key Characteristics of Remarkable SSW Events in the Southern and Northern Hemisphere, Atmosphere, 11, 1063
Križan, Peter, 2019: Assessing the role of planetary and gravity waves in the vertical structure of ozone over midlatitudinal Europe, Annales Geophysicae, 37, 4, 525-533
Križan, Peter, Kozubek, Michal, Laštovička, Jan, 2019: Discontinuities in the Ozone Concentration Time Series from MERRA 2 Reanalysis, Atmosphere, 10, 12, 812
Laštovička, Jan; Križan, Peter; Kozubek, Michal, 2018: Longitudinal structure of stationary planetary waves in the middle atmosphere–extraordinary years, Annales Geophysicae, 36, 1, 181-192
Kozubek, Michal; Križan, Peter; Laštovička, Jan, 2017: Comparison of the long-term trends in stratospheric dynamics of four reanalyses, Annales Geophysicae, 35, 279-294
Laštovička, Jan; Burešová, Dalia; Kouba, Daniel; Križan, Peter, 2016: Stability of solar correction for calculating ionospheric trends, Annales Geophysicae, 34, 12, 1191-1196
Križan, Peter ; Laštovička, Jan ; Kozubek, Michal, 2015: Size dependence of ozone lamina characteristics and their correlations, Journal of Atmospheric and Solar-Terrestrial Physics, 132, September, 116-123

Kozubek, Michal ; Križan, Peter ; Laštovička, Jan, 2015: Northern Hemisphere stratospheric winds in higher midlatitudes: longitudinal distribution and long-term trends, Atmospheric Chemistry and Physics, 15, -, 2203-2213
Kozubek, Michal ; Laštovička, Jan ; Križan, Peter, 2014: Differences in mid-latitude stratospheric winds between reanalysis data and versus radiosonde observations at Prague, Annales Geophysicae, 32, -, 353-366
Laštovička, Jan ; Križan, Peter ; Kozubek, Michal, 2014: Long-term trends in the northern extratropical ozone laminae with focus on European stations, Journal of Atmospheric and Solar-Terrestrial Physics, 120, -, 88-95
Križan, Peter ; Mikšovský, J. ; Kozubek, M. ; Wang, G. C. ; Bai, J. H., 2011: Long term variability of total ozone yearly minima and maxima in the latitudinal belt from 20° N to 60° N derived from the merged satellite data in the period 1979-2008, Advances in Space Research, 48, -, 2016-2022
Jacobi, C. ; Hoffmann, P. ; Liu, R. Q. ; Križan, Peter ; Laštovička, Jan ; Merzlyakov, E. G. ; Solovjova, T. V. ; Portnyagin, Yu. I., 2009: Midlatitude mesopause region winds and waves and comparison with stratospheric variability, Journal of Atmospheric and Solar-Terrestrial Physics, 71, 14-15, 1540-1546
Laštovička, Jan ; Križan, Peter, 2009: Impact of strong geomagnetic storms on total ozone at southern higher middle latitudes, Studia geophysica et geodaetica, 53, 1, 151-156
Harris, N. R. P. ; Kyrö, E. ; Staehelin, J. ; Brunner, D. ; Andersen, S.-B. ; Godin-Beekmann, S. ; Dhomse, S. ; Hadjinicolaou, P. ; Hansen, G. ; Isaksen, I. ; Jrrar, A. ; Karpetchko, A. ; Kivi, R. ; Knudsen, B. ; Križan, Peter ; Laštovička, Jan ; Maeder, J. ; Orsolini, Y. ; Pyle, J. A. ; Rex, M. ; Vaníček, K. ; Weber, M. ; Wohltmann, I. ; Zanis, P. ; Zerefos, C., 2008: Ozone trends at northern mid- and high latitudes – a European perspective, Annales Geophysicae, 26, 5, 1207-1220
Krzyscin, J. ; Križan, Peter ; Jarosławski, J., 2007: Long-term changes in the tropospheric column ozone from the ozone soundings over Europe, Atmospheric Environment, 41, 3, 606-616
Križan, Peter ; Laštovička, Jan, 2006: Ozone laminae: Comparison of the Southern and Northern Hemisphere, and tentative explanation of trends, Journal of Atmospheric and Solar-Terrestrial Physics, 68, 17, 1962-1972
Laštovička, Jan ; Šauli, Petra ; Križan, Peter, 2006: Persistence of planetary wave type oscillations in the mid-latitude ionosphere, Annals of Geophysics, 49, -, 1189-1200
Laštovička, Jan ; Križan, Peter, 2006: Trends in laminae in ozone profiles in relation to trends in some other middle atmospheric parameters, Physics and Chemistry of the Earth, 31, 1-3, 46-53
Križan, Peter ; Laštovička, Jan, 2005: Trends in positive and negative ozone laminae in the Northern Hemisphere, Journal of Geophysical Research, 110, -, D10107/1/-D10107/11
Laštovička, Jan ; Križan, Peter, 2005: Geomagnetic storms, Forbush decreases of cosmic rays and total ozone at northern higher middle latitudes, Journal of Atmospheric and Solar-Terrestrial Physics, 67, 1-2, 119-124