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Head of Global Climate research group Office UZI 25 J82 Phone +41 1 635 52 20 ohmura@geo.umnw.ethz.ch |
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Recent Publications (Reviewed journals only) Nishikawa, O. and Ohmura, A., 1965: Hans Rücklin: Die Entstehung des Grossreliefs der Erde, Vesuch einer Zusammenschau der geotektonischen Hypothesen. Jour. Geogr., 74, No.5, 32-38. Tsurumi, E. and Ohmura, A., 1966: Geomorphology and tephrachronology of East Tama Hill. Quaternary Research, 5, 59-64. Garnier, B.J. and Ohmura, A., 1968: A method of calculating the direct short-wave radiation income of slopes. J Appl.Meteorol., 7, 796-800. Garnier, B.J. and Ohmura, A., 1969: The evaluation of surface variations in solar radiation income. Solar Energy, 13, 21-34. Müller, F., Ohmura, A. and Braithwaite, R.J., 1973: Das North Water Projekt (Kanadisch-, grönländische Hocharktis), Geogr.Helvetica, 2.28, 111-117. Ohmura, A. and Müller, F., 1977: Die mesoskalische Verteilung von Lufttemperatur und Niederschlag über der hocharktischen Tundra von Axel Heiberg Island, NWT, Kanada. Geogr. Helvetica, 32.4, 185-194. Ohmura, A. and Müller, F., 1978: Aspects of mesoscale distribution of air temperature and precipitation over high arctic tundra. Polar Geogr., 2, 270-284. Ohmura, A., 1979; Die optimale Ausrichtung des Sonnenkollektors im Raum Zürich. Geogr. Helvetica, 34.3, 145-148. Müller, F., Ohmura, A., Schroff, K., Funk, M., Pfirter, K., Bernath, A. and Steffen, K., 1980: Combined ice, water and energy balances of a glacierized basin of the Swiss Alps - The Rhonegletscher Project. Geogr. Helvetica, 35.5, 57-69. Phillips, P.D., Richner, H., Joss, J. and Ohmura, A., 1981: ASOND-78: An intercomparison of Vaisala, VIZ and Swiss radiosondes. Pure and Applied Geophysics, 119, 259-277. Ohmura, A., 1981: An economical calorimeter for measuring water content of a snow cover. Zeitschr.Gletscherk. u. Glazialgeol., 16, 125-130. Ohmura, A., 1982: Climate and energy balance on the arctic tundra. Jour.Climatol., 2, 65-84. Ohmura, A., 1982: A historical review of studies on the energy balance of arctic tundra. Jour.Climatol., 2, 167-178. Ohmura, A., 1982: Evaporation from the surface of arctic tundra on Axel Heiberg Island. Water.Res.Res., 18, 291-300. Ohmura, A., 1982: Regional water balance on the arctic tundra in summer. Water.Res.Res., 18, 301-305. Ohmura., A., 1982: Objective criteria for rejecting data for Bowen ratio flux calculations. J.Appl.Met., 21, 595-598. Ohmura, A. and Schroff, K., 1983: Physical characteristics of the Davos-type pyrradiometer for short-wave and long-wave radiation. Arch.Met.Geophys.Bioclimatol., Ser. B, 33, 57-76. Ohmura, A., 1984: Comparative energy balance study for arctic tundra, sea surface, glaciers and boreal forests. Geojour. 8.3, 221-228. Ohmura, A., 1984: On the cause of "Fram" type seasonal change in diurnal amplitude of air temperature in polar regions. Jour.Climatol. 4, 325-338. Ohmura, A., Blatter, H. and Funk, M., 1985: Latitudinal variation of seasonal solar radiation for the period 200'000 years B.P. to 20'000 years A.P. In: Fiocco, G.(Ed.):IRS '84: Current Problems in Atmospheric Radiation, A. Deepak Publ., Hampton, VA, 338-341. Steffen, K. and Ohmura, A., 1985: Heat exchange and surface conditions in the North Water. Ann.Glaciol., 6, 178- 181. Ohmura, A., 1987: New temperature distribution maps for Greenland. Zeitschr.Gletscherk.Glazialgeol., 23, 1-45. Ohmura, A. and Lang, H., 1989: Secular variation of global radiation in Europe. In Lenoble, J. and Geleyn, J.-F.(Eds.): IRS'88: Current Problems in Atmospheric Radiation, A. Deepak Publ., Hampton, VA, 298-301. Hutter, K., Blatter, H. and Ohmura, A., 1989: Treibhauseffekt, Eisschilde und Meeresspiegel. Physik in unserer Zeit, 20, 161-171. Ohmura, A., 1990: Reevaluation and monitoring of the global energy balance. In Sanderson, M.(Ed.): UNESCO Source Book in Climatology, UNESCO, Paris, 35-42. Enomoto, H. and Ohmura, A., 1990: The influence of atmospheric half-year cycle on the sea ice extent in the Antarctic. J.Geophys.Res., 95, 9497-9511. Chen, J. and Ohmura, A., 1990: On the influence of Alpine glaciers on runoff. In Lang, H. and Musy, A. (Eds.): Hydrology in Mountainous Regions I, IAHS Publ., No.193, 117-125. Chen, J. and Ohmura, A., 1990: Estimation of Alpine glacier water resources and their change since 1870s. In Lang, H. and Musy, A. (Eds.): Hydrology in Mountainous Regions I, IAHS Publ., No.193, 127- 135. Ohmura, A. and Reeh, N., 1991: New precipitation and accumulation maps for Greenland. J. Glaciol., 37, No.125, 140-148. Ohmura, A., Kasser, P. and Funk, M., 1992: Climate at the equilibrium line of glaciers. J. Glaciol., 38, No.130, 397-411. Ohmura, A. and Gilgen, H., 1992: Global energy balance archive (GEBA, WCP-Water A7) and new aspects of the global radiation distribution on the earth's surface. In Keevallik, S. and Kärner, O. (Eds.): IRS'92: Current Problems in Atmospheric Radiation, A. Deepak Publ., Hampton, VA, 271-274. DeLuisi, J., Dehne, K., Vogt, R., Konzelmann, T. and Ohmura, A., 1992: First results of the Baseline Surface Radiation Network (BSRN) broad band infrared radiometer intercomparison at FIRE II. In Keevallik, S. and Kärner, O. (Eds.): IRS'92: Current Problems in Atmospheric Radiation, A. Deepak Publ., Hampton, VA, 559-564. Ohmura, A. and Gilgen, H., 1993: Re-evaluation of the global energy balance. Geophys.Monogr., 75, IUGG Vol.15, 93- 110. Abe-Ouchi, A., Blatter, H. and Ohmura, A., 1994: How does the Greenland Ice Sheet remember the ice age ? Global and Planetary Change, 9,133-142. Calanca, P. and Ohmura, A., 1994: Atmospheric moisture flux convergence and accumulation on the Greenland Ice Sheet. In Jones, H.G., Davies, T.D., Ohmura, A., and Morris, E. (Eds.): Snow and Ice Covers; Interactions with the Atmosphere and Ecosystems, IAHS Publ. No.223, 77-84. Kang, E., and Ohmura, A., 1994: A parameterized energy balance model of glacier melting on the Tianshan Mountain. Acta Geographica Sinica, 49, 467-476. Ohmura, A., Konzelmann, T., Rotach, M., Forrer, J., Wild, M., Abe-Ouchi, A., and Toritani, H., 1994: Energy balance for the Greenland ice sheet by observation and model computation. In Jones, H.G., Davies, T.D., Ohmura, A., and Morris, E.M. (Eds.): Snow and Ice Covers; Interactions with the Atmosphere and Ecosystems, IAHS Publ.No. 223, 85-94. Konzelmann, T., and Ohmura, A., 1995: Radiative fluxes and their impact on the energy balance of the Greenland ice sheet. J. Glaciol., 41(139), 490-502. Marinucci, M.R., Giorgi, F., Beniston, M., Wild, M., Tschuck, P., Ohmura, A., and Bernasconi, A., 1995: High resolution simulations of January and July climate over the Western Alpine region with a nested modeling system. Theor. Appl. Climatol., 51, 119-138. Whitlock, C.H., Charlock, T.P., Staylor, W.F., Pinker, R.T., Laszlo, I., Ohmura, A., Gilgen, H., Konzelmann, T., DiPasquale, R.C., Moats, C.D., LeCroy, S.R., and Ritchey, N.A., 1995: First global WCRP shortwave surface radiation budget data set. Bull.Am.Meteo.Soc., 76(6), 905-922. Wild, M., Ohmura, A., Gilgen, H., and Roeckner, E., 1995: Validation of GCM simulated radiative fluxes using the surface observations. J.Climate, 8, 1309-1324. Wild, M., Ohmura, A., Gilgen, H., and Roeckner, E., 1995: Regional climate simulation with a high resolution GCM: surface radiative fluxes. Climate Dynamics, 11, 469-486. Ohmura, A., Wild, M, and Bengtsson, L., 1996: A possible change in mass balance of Greenland and Antarctic ice sheets in the coming century. J.Climate, 9, 2124-2135. Ohmura, A., Wild, M., and Bengtsson, L., 1996: Present and future mass balance of the ice sheets simulated with GCM. Ann.Glaciol., 9, 2124-2135. Ozawa, H. and Ohmura, A., 1997: Thermodynamics of a global-mean state of the atmosphere - a state of maximum entropy increase. J.Climate, 10, 441-445. Rotach, M.W., Marinucci, M.R., Wild, M., Tschuck, P., Ohmura, A., and Beniston, M., 1997: Nested regional simulation of climate change over the Alps for the scenario of a doubled greenhouse forcing. Theor.Appl.Climatol., 57, 209-227. Plüss, C. and Ohmura, A., 1997: Longwave radiation on snow-covered mountainous surfaces. J.Appl.Meteorol., 36, 818-824. Wild, M., Ohmura, A., and Cubasch, U., 1997: GCM-simulated surface energy fluxes in climate change experiments. J.Climate, 10, 3093-3110. Woo, M.K. and Ohmura, A., 1997: Climate of the Arctic Islands. Chap.8 In Bailey, W.G.(Ed.): The Surface Climates of Canada, 172-197, McGill-Queen´s Press, Montreal. Philipona, R., Heimo, A., Fröhlich, C., Marty, Ch., Ohmura, A., Wehrli, Ch., 1997: The Swiss atmospheric radiatioin monitoring program: CHARM. In Smith, W. L., and Stamnes, K. (Eds.): IRS '96: Current Problems in Atmospheric Radiation, A. Deepak, Hampton, VA, 392-395. Gilgen, H., Wild, M., and Ohmura, A., 1998: Means and trends of shortwave irradiance at the surface estimated from Global Energy Balance Archive Data. J.Climate, 11, 2042-2061. Iguchi, J.H., Ohmori, H., Ohmura, A., Suzuki, K., Furuta, K., Yagi, H., Ohta, T., Nakashinden, I., Kinura, K., and Sugai, T., 1998: Experimental studies on vegetation changes due to climate warming at the side of Mt. Norikura, Central Japan. Bull.Dept.Geogr. Univ.Tokyo, 30, 17-26. Iguchi, J.H., Ohmori, H., Ohmura, A., Suzuki, K., Furuta, K., Yagi, H., Ohta, T., Nakashinden, I., Kinura, K., and Sugai, T., 1998: Experimental research on ecological changes due to climate warming at a high mountain in Japan. J.Environ.Res.Snowy Cold Reg., 4, 49-60. Ohmura, A., Dutton, E., Forgan, B., Fröhlich, C., Gilgen, H., Hegner, H., Heimo, A., König-Langlo, G., McArthur, B., Müller, G., Philipona, R., Pinker, R., Whitlock, C.H., Dehne, K., and Wild, M., 1998: Baseline Surface Radiation Network (BSRN/WCRP): New precision radiometry for climate research, Bull.Am.Met.Soc., 79, 2115-2136. Philipona, R., Fröhlich, C., Dehene, K.,DeLuisi, J., Augustine, J., Dutton, E., Nelson, D., Forgan, B., Novotny, P., Hickey, J., Love, S.P., Bender, S., McArthur, B., Ohmura, A., Seymour, J.H., Foot, J.S., Shiobara, M., Valero, F.P.J., and Strawa, A.W., 1998: The Baseline Surface Radiation Network pyrgeometer round-robin calibration experiment. Jour.Atmos.Ocean.Technol., 15, 687-696. Wild, M., Ohmura, A., and Gilgen, H., 1998: The distribution of solar energy at the earth’s surface as calculated in the ECMWF Re-analysis. Geophys.Res.Lett., 25, 4373-4376. Wild, M., Ohmura, A., Gilgen, H., Roeckner, E., Giorgetta, M., and Morcrette, J.-J., 1998: The disposition of radiative energy in the global climate system: GCM-calculated versus observational estimates. Climate Dynamics, 14, 853-869. Wild, M., Ohmura, A., Gilgen, H., and Morcrette, J.J., 1998: Assessment of the ECMWF reanalysis radiative fluxes using surface observations. Proceedings of the First WCRP International Conference on Reanalyses, WCRP-104, WMO/TD-No.876, 69-72. Wild, M., and Ohmura, A., 1999: The role of clouds and the cloud-free atmosphere in the problem of underestimated absorption of solar radiation in GCM atmospheres. Phys.Chem.Earth (B), 24, 261-268. Roesch, A., Gilgen, H., Wild, M., and Ohmura, A., 1999: Assessment of GCM simulated snow albedo using direct observations. Climate Dynamics, 15, 405-418. Gilgen, H., and Ohmura, A., 1999: The Global Energy Balance Archive. Bull.Am.Met.Soc. 80, 831-850. Ohmura, A., Calanca, P., Wild, M., and Anklin, M., 1999: Precipitation, accumulation and mass balance of the Greenland ice sheet. Zeitschr. Gletscherk. Glazialgeol., 35, 1-20 Wild, M., and Ohmura, A., 2000: Change in mass balance of polar ice sheets and sea level from high-resolution GCM simulations of greenhouse warming. Ann. Glaciol, 30, 197-203. Calanca, P., Gilgen, H., Ekholm, S., and Ohmura, a., 2000: Gridded temperature and accumulation distributions for use in cryospheric models. Ann. Glaciol., 31, 118-120. Ohmura, A., 2000: Climate on tundra and thoughts on causes of regional climate differences. Ann. Glaciol., 31, 10-14. Ohmura, A., 2001: Physical basis for the temperature/melt-index method. J. Appl. Meteor., 40, 753-761. Schmucki. D., Voigt, S., Philipona, R., Fröhlich, C., Lenoble, J., Ohmura, A., and Wehrli, C., 2001: Effective albedo derived from UV measurements in the Swiss Alps. Jour. Geophys. Res., 106, 5369-5383. Ohmura, A., 2001: Summit Greenland environment observatory. Mem. Nat. Inst. Pol. Res., 54, 153-159. Roesch, A., Wild, M., Gilgen, H., and Ohmura, A., 2001: A new snow cover fraction parameterization for the ECHAM4 GCM. Climate Dynamics, 17, 933-946. Yamano, H., Hori, K., Yamauchi, M., Yamagawa, O., and Ohmura, A., 2001: Highest-latitude coral reef at Iki Island, Japan. Coral Reefs, 20, 9-12. Wild, M., Ohmura, A., Gilgen, H., Morcrette, J.-J., Slingo, A., 2001: Evaluation of downward longwave radiation in general circulation models. J. Climate, 14, 3227-3239. Philipona, R., and Ohmura, A., 2001: Pyrgeometer absolute calibration and the quest for a world radiometric reference for longwave irradiance measurements. In Smith, W. L. and Timofeyev, Yu. M., Eds., 2001: Current Problems in Atmospheric Radiation. A. Deepak Publ., Hampton, VA, 461-464. Goeldi-Cheda, B., Ohmura, A., and Heimo, A., 2001: Radiation trends at the Swiss BSRN station Payerne. In Smith, W. L. and Timofeyev, Yu. M., Eds., 2001: Current Problems in Atmospheric Radiation. A. Deepak Publ., Hampton, VA, 509-512. Lehmann, A., Heimo, A., Vernez, A., Koepke, P., Ohmura, A., Gueymard, C., 2001: Comparison between models and measurements of direct and diffuse UV erythemal irradiance under clear sky conditions - Analysis of environmental impacts on the measurements. In Smith, W. L. and Timofeyev, Yu. M., Eds., 2001: Current Problems in Atmospheric Radiation. A. Deepak Publ., Hampton, VA, 547-550. Wild, M., and Ohmura, A., 2001: Longwave forcing at the surface as simulated in transient climate change experiments. In Smith, W. L. and Timofeyev, Yu. M., Eds., 2001: Current Problems in Atmospheric Radiation. A. Deepak Publ., Hampton, VA, 745-748. Wild, M., and Ohmura, A., Gilgen, H., Morcrette, and Slingo, A., 2001: Deficiencies in GCM-simulated downward longwave radiation inferred from surface observations. In Smith, W. L. and Timofeyev, Yu. M., Eds., 2001: Current Problems in Atmospheric Radiation. A. Deepak Publ., Hampton, VA, 1231-1234. Marty, C., Philipona, R., Fröhlich, C., and Ohmura, A., 2002: Altitude dependence of surface radiation fluxes and cloud forcing in the Alps: Results from Alpine Surface Radiation Budget Network. Theor. Appl. Climatol. 72, 137-155. Ohmura, A., and Wild, M., 2002: Is the hydrological cycle accelerating ? Science, 298, 1345-1346. Roesch, A., Wild, M., Pinker, R., and Ohmura, A., 2002: Comparison of spectrtal surface albedos and their impact on general circulation model simulated surface climate. Jour. Geophys. Res., 107 (D14), 13-1-18. Ohmura, A., 2002: Future changes in the interaction between the climate and glaciers: Related issues on research and university education. Bull. Center for Global Environmental Research, National Institute of Environment Research, 13, 8-14. Wild, M., Calanca, P., Scherrer, S. C., and Ohmura, A., 2003: Effects of polar ice sheets on global sea level in high-resolution greenhouse scenarios. J. Geophys. Res., 108, D5, 4165, ACL 5-1-10 Matzinger, N., Andretta, M., van Gorsel, E., Vogt, R., Ohmura, A., Rotach, M., 2003: Surface radiation budget in an Alpine valley. Q. J. R. Meteorol. Soc., 129, 877-895. Ozawa, H., Ohmura, A., Lorenz, R. D., and Pujol, T., 2003: The second law of thermodynamics and the global climate system: A review of the maximum entropy production principle. Rev. Geophys., 41, 4-1-24. Wild, M., Ohmura, A., and Gilgen, H., 2004: On the consistency of trends in radiation and temperature records and implications for the global hydrological cycle. Geophys. Res., Let., 31, 10.1029/2003GL019188. Wild, M., and Ohmura, A., 2004: BSRN longwave downward radiation measurements combined with GCMs show promise for greenhouse detection studies. GEWEX News, 14, 9-10. Suter, S., Hoelzle, M., and Ohmura, A., 2004: Energy balance at a cold Alpine firn saddle, Seserjoch, Monte Rosa. Intern. J. Climatol., 24. 1423-1442. Wild, M., Ohmura, A., Gilgen, H., and Rosenfeld, D., 2004: On the consistency of trends in radiation and temperature records and implication for the global hydrological cycle. Jour. Geophys. Res., 31, L11201, doi:10.1029/2003GL019188. Philipona, R., Dürr, B., Marty, C., and Ohmura, A., 2004: Radiative forcing -measured at the Earth's surface -corroborate the increasing greenhouse effect. Geophys. Res. Letters, 31, doi:10.1029/2003GL018765. Ohmura, A., 2004: Cryosphere during the Twentieth Century: Geophys. Monogr., 150, Am. Geophys. Union, 239-257. Dürr, B., Philipona, R., Schubiger, F., and Ohmura, A., 2005: Comparison of modeled and observed cloud-free longwave downward radiation over the Alps. Meteorol. Zeitschr., 14, 47-55. Wild, M., Gilgen, H., Roesch, A., and Ohmura, A., 2005: From dimming to brightning: Decadal changes in solar radiation at the Earth's surface, Sience, in press. Raschke, E., and Ohmura, A., 2005: Radiation Budget of the Climate System. Chap. 4 in Hantel, M. ( Ed.): Observed Global Climate, Vol. 6, Group V: Geophysics, Landolt-Börnstein Numerical and Functional Relationships in Science and Technology, New Series, 4.1-4.42, Springer Verlag, Berlin, Heidelberg, New York.Ohmura, A., and Raschke, A., 2005: Energy Budget at the Earth’s Surface. Chap. 10 in Hantel, M. (Ed.): Observed Global Climate, Vol. 6, Group V: Geophysics, Landolt- Börnstein Numerical and Functional Relationships in Science and Technology, New Series, 10.1-10.28, Springer Verlag, Berlin, Heidelberg, New York.Raschke, E., Ohmura, A., Rossow, W.B., Carlson, B.E., Zhang, Y.C., Stubenrauch, C., Kottek, M., and Wild, M., 2005: Cloud effects on the radiation budget based on ISSP data (1991 to 1995), Intern. Jour. Climatol., 25, 1103-1125.Wild, M., Long, C.N., and Ohmura, A., 2006: Evaluation of clear sky solar fluxes in GCMs participating in AMIP and IPCC-AR4 from a surface perspective. J. Geophys. Res., 111, Do1104, doi: 10.1029/2005JD006118.
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