CV Alexey Karpechko

Alexey Karpechko

Title Research Professor, tenure track

Contact alexey.karpechko@fmi.fi

Postal address P.O Box 503, FI-00101 Helsinki

Street address Erik Palmenin aukio 1, FI-00560 Helsinki

Phone number +358 50 361 3901

Fields of expertise

  • Stratospheric dynamics and stratosphere-troposphere coupling
  • Stratospheric ozone and its impacts on climate and surface ultraviolet radiation
  • Global atmospheric circulation and its response to radiative forcing
  • Analysis of climate model ensembles

Projects

  • Changing Arctic Climate System: Interaction of Stratosphere, Troposphere, and Sea Ice (CACSI), 2012-2016, Academy of Finland, (PI Timo Vihma)
  • Arctic upper tropospheric and lower stratospheric water vapor, 2011-2014, Academy of Finland, (PI Rigel Kivi)

University and other degrees

  • 2007: PhD Degree in Meteorology, University of Helsinki, Finland
  • 2001: Candidate of Science Degree in Atmospheric Physics, Moscow State University, Moscow, Russia
  • 1996: Diploma in Oceanography (equivalent to MSc), Russian State Hydrometeorological University, St Petersburg, Russia

List of publications

40. Karpechko, A. Yu. (2015) Improvements in statistical forecasts of monthly and bi-monthly surface air temperatures from stratospheric predictor, Quart. J. Roy. Meteor. Soc., accepted.

39. Vargin, P. N., E. M. Volodin, A. Yu. Karpechko, and A. I. Pogoreltsev (2015), Stratosphere–Troposphere Interactions, Herald of the Russian Academy of Sciences, 85, 1, 56–63, doi: 10.1134/S1019331615010074.

38. P. Uotila, A. Karpechko and T. Vihma (2014), Links between Arctic sea ice and extreme summer precipitation in China: an alternative view, Advances in Polar Science, 25, 222-233, doi: 10.13679/j.advps.2014.4.00222

37. Manzini, E., Karpechko A. Yu. et al. (2014), Northern winter climate change: Assessment of uncertainty in CMIP5 projections related to stratosphere-troposphere coupling, J. Geophys. Res. Atmos., 119, 7979–7998

36. Karpechko, A. Yu., J. Perlwitz, and E. Manzini (2014), A model study of tropospheric impacts of the Arctic ozone depletion 2011, J. Geophys. Res. Atmos., 119, 7999–8014

35. Karpechko, A. Yu., D. Maraun, and V. Eyring (2013), Improving estimates of future Antarctic ozone change by process oriented multiple diagnostic ensemble regression, J. Atm. Sci., v. 70, No. 12, 3959-3976, doi: http://dx.doi.org/10.1175/JAS-D-13-071.1.

34. Karpechko. A. Yu., L. Backman, L. Thölix, I. Ialongo, M. Andersson, V. Fioletov, A. Heikkilä, B. Johnsen, T. Koskela, E. Kyrölä, K. Lakkala, C. L. Myhre, M. Rex, V.F. Sofieva, J. Tamminen and I. Wohltmann (2013), The link between springtime total ozone and summer UV radiation in Northern Hemisphere extratropics, J. Geophys. Res., 118, 8649–8661, doi:10.1002/jgrd.50601.

33. Karpechko A. Yu., and E. Manzini (2012), Stratospheric influence on tropospheric climate change in the Northern Hemisphere, J. Geophys. Res., 117, D05133, doi:10.1029/2011JD017036.

32. Simpkins, G. R. and A. Yu. Karpechko (2012), Sensitivity of the Southern Annular Mode to Greenhouse Gas Emission Scenarios, Climate Dynamics, v.38, N. 3-4, 563-572, doi: 10.1007/s00382-011-1121-2.

31. Salmi, S.-M., Verronen, P. T., Thölix, L., Kyrölä, E., Backman, L., Karpechko, A. Yu., and Seppälä, A. (2011), Mesosphere-to-stratosphere descent of odd nitrogen in February–March 2009 after sudden stratospheric warming, Atmos. Chem. Phys., 11, 4645-4655, doi:10.5194/acp-11-4645-2011.

30. Gillett, N. P., Akiyoshi, H., Bekki, S., Braesicke, P., Eyring, V., Garcia, R., Karpechko, A. Yu., McLinden, C. A., Morgenstern, O., Plummer, D. A., Pyle, J. A., Rozanov, E., Scinocca, J., and Shibata, K. (2011), Attribution of observed changes in stratospheric ozone and temperature, Atmos. Chem. Phys., 11, 599-609, doi:10.5194/acp-11-599-2011.

29. Forster P., V. Fomichev, E. Rozanov, C. Cagnazzo, A. Jonsson, U. Langematz, B. Formin, M. Iacono, B. Mayer, E. Mlawer, G. Myhre, R. Portmann, H. Akiyoshi, V. Falaleeva, N. Gillett, A. Karpechko, J. Li, P. Lemennais, O. Morgenstern, S. Oberländer, M. Sigmond, K. Shibata (2011), Evaluation of radiation scheme performance within chemistry-climate models, J. Geophys. Res., 116, D10302, doi:10.1029/2010JD015361.

28. Karpechko A. Yu. (2010), Uncertainties in future climate attributable to uncertainties in future Northern Annular Mode trend, Geophys. Res. Lett., 37, L20702, doi:10.1029/2010GL044717.

27. Karpechko, A. Yu., N. P. Gillett, L. J. Gray, and M. Dall'Amico (2010), Influence of ozone recovery and greenhouse gas increases on Southern Hemisphere circulation, J. Geophys. Res., 115, D22117, doi:10.1029/2010JD014423.

26. Karpechko A. Yu., Gillett N. P., Dall'Amico M., and Gray L. J. (2010), The Southern Hemisphere atmospheric circulation response to volcanic eruptions in coupled climate models, Quart. J. Roy. Meteor. Soc., 136, 1813–1822, doi:10.1002/qj.683.

25. Gerber, E. P., M. P. Baldwin, H. Akiyoshi, J. Austin, S. Bekki, P. Braesicke, N. Butchart, M. Chipperfield, M. Dameris, S. Dhomse, S. H. Frith, R. R. Garcia, H. Garny, A. Gettelman, S. C. Hardiman, A. Karpechko, M. Marchand, O. Morgenstern, J. E. Nielsen, S. Pawson, T. Peter, D. A. Plummer, J. A. Pyle, E. Rozanov, J.F. Scinocca, T. G. Shepherd, and D. Smale (2010), Stratosphere-Troposphere Coupling and Annular Mode Variability in Chemistry-Climate Models, J. Geophys. Res., 115, D00M06, doi:10.1029/2009JD013770.

24. Karpechko, A. Yu., Gillett, N. P., Hassler, B., Rosenlof, K. H., and Rozanov, E. (2010), Quantitative assessment of Southern Hemisphere ozone in chemistry-climate model simulations, Atmos. Chem. Phys., 10, 1385-1400

23. Screen, J.A., N.P. Gillett, D.P. Stevens, and A.Yu. Karpechko (2010), Mixed layer temperature response to the Southern Annular Mode: mechanisms and model representation, J. Climate, v.23, 664-678, 2010

22. Baldwin, M., N. P. Gillett, P. M. Forster, E. P. Gerber, M. I. Hegglin, A. Yu. Karpechko, J. Kim, P. J. Kushner, O. H. Morgenstern, T. Reichler, S.-W. Son, K. Tourpali (2010), Chapter 10: Effects of the stratosphere on the troposphere, SPARC Report on the Evaluation of Chemistry-Climate Models, V. Eyring, T. G. Shepherd, D. W. Waugh (Eds.), SPARC Report No. 5, WCRP-132, WMO/TD-No. 1526.

21. Fomichev, V.I., P.M. Forster, C. Cagnazzo, A.I. Jonsson, U. Langematz, E. Rozanov, V. Falaleeva, B. Fomin, N. Gillett, M. Iacono, A. Karpechko, J. Li, P. Lemennais, B. Mayer, E. Mlawer, O. Morgenstern, G. Myhre, S. Oberlander, R. Portmann, M. Sigmond (2010), Chapter 3: Radiation, SPARC Report on the Evaluation of Chemistry-Climate Models, V.Eyring, T. G. Shepherd, D. W. Waugh (Eds.), SPARC Report No. 5, WCRP-132, WMO/TD-No. 1526.

20. Dall'Amico, M, P. A. Stott, A. A. Scaife, L. J. Gray, K. H. Rosenlof, A. Yu. Karpechko (2010), Impact of stratospheric variability on tropospheric climate change, Clim. Dyn, v.34, N2-3, pp. 399-417, doi: 10.1007/s00382-009-0580-1.

19. Karpechko, A. Yu., N. P. Gillett, G. J. Marshall, and J. A. Screen (2009), Climate impacts of the Southern Annular Mode simulated by the CMIP3 models, J. Climate, v.22, pp3751-3768.

18. Orsolini, Y. J., A. Yu. Karpechko, G. Nikulin (2009), Variability of the northern hemisphere polar stratospheric cloud potential: the role of North Pacific disturbances, Quart. J. Roy. Meteor. Soc., 135: 1020–1029.

17. Munakata N, Kazadzis S, Bolseé D, Schuch N, Koskela T, Karpetchko A., Meleti C, Casiccia C, Barcellos da Rosa M, Saida T, Nishigori C, Ogata K, Imafuku K, Liu CM, Lestari S, Kanoko M, Cornain S, Mulyadi K, Hieda K (2009), Variations and trends of biologically effective doses of solar ultraviolet radiation in Asia, Europe and South America from 1999 to 2007, Photochem. Photobiol. Sci., 8(8),1117-1124.

16. Luk'yanov, A. N., A. Yu. Karpechko, V. A. Yushkov, L. I. Korshunov, S. M. Khaikin, A. V. Gan'shin, E. Kyro, R. Kivi, M. Maturilli, and H. Voemel (2009), Estimation of water-vapor and ozone transport in the upper troposphere-lower stratosphere and fluxes through the tropopause during the field campaign at the Sodankyla station (Finland), Izvestiya - Atmospheric and Oceanic Physics, 45, 3.

15. Karpechko A. Yu., N. P. Gillett, G. J. Marshall, and A. A. Scaife (2008), Stratospheric influence on circulation changes in the Southern Hemisphere troposphere in coupled climate models, Geophys. Res. Lett., 35, L20806, doi:10.1029/2008GL035354.

14. Harris, N. R. P., E. Kyrö, J. Staehelin, D. Brunner, S-B. Andersen, S. Godin-Beekmann, S. Dhomse, P. Hadjinicolaou, G. Hansen, I. Isaksen, A. Jrrar, A. Karpetchko, R. Kivi, B. Knudsen, P. Krizan, J. Lastovicka, J. Maeder, Y. Orsolini, J.A. Pyle, M. Rex, K. Vanicek, M. Weber, I. Wohltmann, P. Zanis, and C. Zerefos (2008), Ozone trends at northern mid- and high latitudes– a European perspective, Annales Geophysicae, 26, 1207–1220.

13. Gillett N. P., D. A. Stone, P. A. Stott, T. Nozawa, A. Yu. Karpechko, G. C. Hegerl, M. F. Wehner, P. D. Jones (2008), Attribution of polar warming to human influence, Nature Geoscience, 1, 750 – 754, doi:10.1038/ngeo338.

12. Karpechko, A., A. Lukyanov, E. Kyrö, S. Khaikin, L. Korshunov, R. Kivi and H. Vömel (2007), The water vapour distribution in the Arctic lowermost stratosphere during the LAUTLOS campaign and related transport processes including stratosphere-troposphere exchange, Atmos. Chem. Phys., 7, 107-119.

11. Demin V.I., Karpechko A. Yu., Beloglazov, M.I., Kyrö E. (2006), On the role of turbulent mixing in the formation of surface ozone concentration fields on the Kola Peninsula, Atmospheric and Oceanic Optics, vol. 19, No.05, p.448-451 (in Russian).

10. Karpetchko, A., E. Kyrö, and B. M. Knudsen (2005), Arctic and Antarctic polar vortices 1957–2002 as seen from the ERA-40 reanalyses, J. Geophys. Res., 110, D21109, doi:10.1029/2005JD06113.

9. Nikulin G. and A. Karpechko (2005), The mean meridional circulation and midlatitude ozone buildup, Atmos. Chem. Phys., 5, 3159-3172.

8. Karpetchko A, and Nikulin G. (2004), Influence of early winter upward wave activity flux on midwinter circulation in the stratosphere and troposphere, J. Climate, v.17, N22, pp4443-4452.

7. Roldugin V.K., Rumyantsev S.A., Karpechko A.Yu., Beloglazov M.I. (2004), Variations of the surface ozone content and UV radiation intensity on the Kola Peninsula, Atmospheric and Oceanic Optics, vol. 17, No.07, p.536-542 (in Russian).

6. Meijer Y., D. Swart, M. Allaart, S. B. Andersen, G. Bodeker, I. Boyd, G. Braathen, Y. Calisesi, H. Claude, V. Dorokhov, P. von der Gathen, M. Gil, S. Godin-Beekmann, F. Goutail, G. Hansen, A. Karpetchko, P. Keckhut, H. Kelder, R. Koelemeijer, B. Kois, R. Koopman, G. Kopp, J.-C Lambert, T. Leblanc, I. Stuart McDermid, S. Pal, H. Schets, R. Stubi, T. Suortti, G. Visconti, M. Yela (2004), Pole-to-pole validation of ENVISAT/GOMOS ozone profiles using data from ground-based and balloon-sonde measurements, J. Geophys. Res., 109, D23305, doi:10.1029/2004JD004834.

5. Karpetchko A, Kyrö E. von der Gathen P. (2003), Generation of layering in the upper arctic troposphere away from the jet stream, Annales Geophysicae 21, 1653-1665.

4. Tarasova O. A. and Karpetchko A. Yu. (2003), Accounting for local meteorological effects in the ozone time-series of Lovozero (Kola Peninsula) Atmos. Chem. Phys., 3, 941–949.

3. Karpechko A. Yu., N. F. Elansky, G.I. Kuznetsov, O. A. Tarasova, M. I. Beloglazov, and S. A. Rumyantsev (2001), Role of air transport processes in the formation of surface ozone concentration fields on the Kola Peninsula, Izvestia - Atmospheric and Oceanic Physics, Vol. 37, No 5, pp. 644-650 (translated into English).

2. Beloglazov, M.I., Karpechko, A.Yu., Nikulin, G.N., and Roumjantsev, S.A. (2001), Influence of anthropogenic nitrogen oxides on surface ozone content in the atmosphere of the polar town under different light conditions, Meteorology and Hydrology, No 3, pp. 57-63 (in Russian)

1. Nikulin, G.N., Roldugin, V.C., Beloglazov M.I., Karpechko A.Yu. (2000), Observations of total ozone content over the Kola peninsula in 1998-1999, Meteorology and Hydrology, No 11, pp. 96-98 (in Russian).