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Publications

Please feel free to contact me if you wish a copy of any of the following publications!

Books
The picture shows a close-up of my doctoral cap that my dear colleagues have made :-)

 

Submitted Papers and Papers in Press

G. Bernhard, C. R. Booth, and J. C. Ehramjian, Climatology of Ultraviolet Radiation at High Latitudes Derived from Measurements of the National Science Foundation’s Ultraviolet Spectral Irradiance Monitoring Network, accepted for publication in: UV Radiation in Global Change: Measurements, Modeling and Effects on Ecosystems, edited by W. Gao and J. Slusser, Springer-Verlag and Tsinghua University Press.

K. Lantz, P. Disterhoft, J. Slusser, W. Gao, J. Berndt, G. Bernhard, S. Bloms, R. Booth, J. Ehramjian, L. Harrison,G. Janson, P. Johnston, P. Kiedron,b, R. McKenzie, M. Kimlin,J, P. Neale, M. O’Neill, V. V. Quang, G. Seckmeyer, T. Taylor, S. Wuttke, J. Michalsky,The 2003 North American interagency intercomparison of ultraviolet spectroradiometers: Scanning and spectrograph instruments, Journal of Applied Remote Sensing, accepted.

 

Publications in Peer Reviewed Journals

G. Bernhard, C. R. Booth, and J. C. Ehramjian, Comparison of UV irradiance measurements at Summit, Greenland; Barrow, Alaska; and South Pole, Antarctica, Atmos. Chem. Phys., 8, 4799–4810, 2008.

G. Bernhard, R. L. McKenzie, M. Kotkamp, S. Wood, C. R. Booth, J. C. Ehramjian, P. Johnston, and S. E. Nichol, Comparison of ultraviolet spectroradiometers in Antarctica, J. Geophys. Res., 113, D14310, doi:10.1029/2007JD009489, 2008.

B. Johnsen, B. Kjeldstad, T. N. Aalerud, L. T. Nilsen, J. Schreder, M. Blumthaler, G. Bernhard, C. Topaloglou, O. Meinander, A. Bagheri, J. R. Slusser, and J. Davis, Intercomparison and harmonization of UV Index measurements from multiband filter radiometers, J. Geophys. Res., 113, D15206, doi:10.1029/2007JD009731.

A. Tanskanen, A. Lindfors, A. Määttä, N. Krotkov, J. Herman, J. Kaurola, T. Koskela, K. Lakkala, V. Fioletov, G. Bernhard, R. McKenzie, Y. Kondo, M. O'Neill, H. Slaper, P. den Outer, A. Bais, and J. Tamminen, Validation Of Daily Erythemal Doses from OMI with Ground-Based UV Measurement Data, J. Geophys. Res., 112, D24S44, doi:10.1029/2007JD008830, 2007

G. Bernhard, C.R. Booth, J.C. Ehramjian, R. Stone, and E. G. Dutton, Ultraviolet and visible radiation at Barrow, Alaska: Climatology and influencing factors on the basis of version 2 National Science Foundation network data, J. Geophys. Res., 112, D09101, doi:10.1029/2006JD007865, 2007, 2007.

G. Bernhard, C.R. Booth, J.C. Ehramjian, and S.E. Nichol, UV climatology at McMurdo Station, Antarctica, Based on Version 2 data of the National Science Foundation’s Ultraviolet Radiation Monitoring Network, J. Geophys. Res., 111, D11201, doi:10.1029/2005JD005857, 2006.

S. Wuttke, G. Seckmeyer, G. Bernhard, J. Ehramjian, R. McKenzie, P. Johnston, and M. O'Neil, New spectroradiometers complying with the NDSC standards, J. Atmos. Ocean. Tech., 23(2), pages 241-251, 2006.

G. Bernhard, R.D. Evans, G.J. Labow, and S.J. Oltmans, Bias in Dobson Total Ozone Measurements at High Latitudes due to Approximations in Calculations of Ozone Absorption Coefficients and Airmass, J. Geophys. Res., 110, D10305doi:10.1029/2004JD005559, 2005.

G. Bernhard, C.R. Booth, and J.C. Ehramjian, Real-time UV and column ozone from multi-channel UV radiometers deployed in the National Science Foundation’s UV monitoring network, Optical Engineering, 44(4), 041011-1 - 041011-12, 2005.

G. Bernhard, C.R. Booth, and J.C. Ehramjian, Version 2 data of the National Science Foundation's Ultraviolet Radiation Monitoring Network: South Pole, J. Geophys. Res., 109, D21207, doi:10.1029/2004JD004937, 2004.

G. Bernhard, C.R. Booth, and R. McPeters, Calculation of Total Column Ozone from Global UV Spectra at High Latitudes, Journal of Geophysical Research, 108(D17), 4532, doi:10.1029/2003JD003450, 2003.

S.E. Nichol, G. Pfister, G.E. Bodeker, R.L. McKenzie, S.W. Wood, G. Bernhard, Moderation Of Cloud Reduction Of UV in the Antarctic due to High Surface Albedo, J. Appl. Meteorol., 42(8), 1174-1183, 2003.

K. Lantz, P.Disterhoft, E.A.Early, J.DeLuisi, A.Thompson, J.Berndt, L.Harrison, P.Kiedron, J.Ehramjian, G.Bernhard, L.Cabasug, J.Robertson, W.Mou, T.Taylor, J.Slusser, D.Bigelow, B.Durham, G.Janson, D.Hayes, M.Beaubien, and A.Beaubien, The 1997 North American interagency intercomparison of ultraviolet spectroradiometers including narrowband filter radiometers, J. Res. Natl. Inst. Stand. Technol., 107, 19-62, 2002.

A.F. Bais, B.G. Gardiner, H. Slaper, M. Blumthaler, G. Bernhard, R. McKenzie, A.R. Webb, G. Seckmeyer, B. Kjeldstad, T. Koskela, P.J. Kirsch, J. Groebner, J.B. Kerr, S. Kazadzis, K. Leszczynski, D. Wardle, W. Josefsson, C. Brogniez, D. Gillotay, H. Reinen, P. Weihs, T. Svenoe, P. Eriksen, F. Kuik, and A. Redondas, SUSPEN intercomparison of ultraviolet spectroradiometers, Journal of Geophysical Research, 106(D12), 12,509-12,526, 2001.

C. Zerefos, D. Balis, M. Tzortziou, A. Bais, K. Tourpali, C. Meleti, G. Bernhard, and J. Herman, A note on the interannual variations of UV-B erythemal doses and solar irradiance from ground-based and satellite observations, Annales Geophysicae, 19, 115-120, 2001.

G. Bernhard and G. Seckmeyer, Uncertainty of measurements of spectral solar UV irradiance, Journal of Geophysical Research, 104(D12), 14,321-14,345, 1999.

G. Bernhard, R.L. McKenzie, G. Seckmeyer, and P.V. Johnston, Ratio spectra as a quality control tool for solar spectral UV measurements, Journal of Geophysical Research, 103(22), 28,855-28,861, 1998.

G. Bernhard, A. Moise, B. Mayer, and G. Seckmeyer, Measurements of spectral solar UV irradiance in tropical Australia, Journal of Geophysical Research, 102(D7), 8719-8730, 1997.

G. Bernhard and G. Seckmeyer, New entrance optics for solar spectral UV measurements, Photochemistry and Photobiology, 65(6), 923-930, 1997.

G. Seckmeyer and B. Mayer, G. Bernhard, A. Albold, R. Erb, H. Jäger, W.R. Stockwell, New maximum UV irradiance levels observed in central Europe, Atmospheric Environment, 31(18), 2971-2976, 1997.

G. Seckmeyer, G. Bernhard, B. Mayer, and R. Erb, High accuracy spectroradiometry of solar UV radiation, Metrologia, 32(6), 697-700, 1996.

G. Seckmeyer, B. Mayer, G. Bernhard, R.L. McKenzie, P.V. Johnston, M. Kotkamp, C.R. Booth, T. Lucas, T. Mestechkina, C.R. Roy, H.P. Gies, and D. Tomlinson, Geographical differences in the UV measured by intercompared spectroradiometers, Geophysical Research Letters, 22(14), 1889-1892, 1995.

G. Seckmeyer, B. Mayer, R. Erb, and G. Bernhard, UVB in Germany higher in 1993 than in 1992, Geophysical Research Letters, 21(7), 577-580, 1994.

 

Contributions in Books and Conference Proceedings

A. F. Bais and D. Lubin (lead authors); G. Bernhard, M. Blumthaler, N. Chubarova, C. Erlick, H. P. Gies, N. Krotkov, K. Lantz, B. Mayer, R. McKenzie, R. Piacentini, G. Seckmeyer, J. Slusser, and C.S. Zerefos, Surface Ultraviolet Radiation: Past and Future, in: Scientific Assessment of Ozone Depletion: 2006, Global Ozone Research and Monitoring Project Report No. 50, 572 pp., World Meteorology Organisation, Geneva, Switzerland, 2007.

B. Johnsen, B. Kjeldstad, T. N. Aalerud, L. T. Nilsen, J. Schreder, M. Blumthaler, G. Bernhard, A. Bagheri, B. Bhattarai, C. Topaloglou, G. Zablocki, O. Meinander, B. A. Høiskar, R. Haugen, W. S. Durham, G. Janson, A. R. Marrero, A.Dahlback, D. Bolsée, J. R. Slusser, J. Stamnes, C. Torres, A. R. D. Smedley, L.-E. Paulsson, K. Lakkala, A. R. Webb, J. B. Ørbæk, A. A. Grimenes, T. Ringstad, T. Langet, and W. Josefsson, International intercomparison of multiband filter radiometers in Oslo 2005, In Remote Sensing of Clouds and the Atmosphere XI, edited by J. R. Slusser, K. Schäfer, and A. Comeron, Proc. SPIE Int. Soc. Opt. Eng., Vol. 6362, 63620W-1 - 63620W-12, 2006.

G. Bernhard, C.R. Booth, and J.C. Ehramjian, UV climatology at Palmer Station, Antarctica, in: Ultraviolet Ground- and Space-based Measurements, Models, and Effects V, edited by G. Bernhard, J. R. Slusser, J. R. Herman, W. Gao, Proceedings of SPIE, 588607-1 - 588607-12, 2005.

G. Bernhard, C.R. Booth, and J.C. Ehramjian, UV and total ozone climatology at the South Pole based on Version 2 NSF network data , in: Ultraviolet Ground- and Space-based Measurements, Models, and Effects IV, edited by J.R. Slusser, J.R. Herman, W. Gao and G. Bernhard, Proceedings of SPIE, Vol. 5545, 1-6, 2004.

G. Bernhard, C.R. Booth, J.C. Ehramjian, S.A. Lynch, and V.V. Quang, UV Spectroradiometer monitoring program: Spectral global irradiance and total column ozone measurements at South Pole and Barrow, in: Climate Monitoring and Diagnostics Laboratory Summary Report 2002-2003, No 27, edited by R.C. Schnell, A.-M. Buggle, and R.M. Rosson, pp. 139-141, U.S. Department of Commerce, Boulder, CO, 2004.

G. Bernhard, C.R. Booth, and J.C. Ehramjian, High levels of ultraviolet radiation observed in November 1998 at Amundsen-Scott South Pole Station, Antarctic Journal of the United States, 33, 255-258, 2004.

G. Bernhard, C.R. Booth, and J.C. Ehramjian, Real-time UV and column ozone from multi-channel UV radiometers deployed in the National Science Foundation's UV monitoring network, in: Ultraviolet Ground- and Space-based Measurements, Models, and Effects III, edited by J.R. Slusser, J.R. Herman, and W. Gao, Proceedings of SPIE, Vol. 5156, 167-178, 2003.

G. Bernhard, C.R. Booth, J.C. Ehramjian, The quality of data from the National Science Foundation’s UV Monitoring Network for Polar Regions, in: Ultraviolet Ground- and Space-based Measurements, Models, and Effects II, edited by W. Gao, J.R. Herman, G. Shi, K. Shibasaki, and J.R. Slusser, Proceedings of SPIE, Vol. 4896, 79-93, 2003.

J.B. Kerr, G. Seckmeyer (lead authors); A.F. Bais, G. Bernhard, M. Blumthaler, S.B. Diaz, N. Krotkov, D. Lubin, R.L. McKenzie, A.A. Sabziparvar, and J. Verdebout (coauthors), Surface Ultraviolet Radiation: UV Radiation at the Earth’s Surface, in: Scientific Assessment of Ozone Depletion: 2002, edited by A.-L. N. Ajavon, D.L. Albritton, G. Megie, and R.T. Watson, World Meteorological Organisation, Global Ozone Research and Monitoring Project, Report No. 47, Geneva, 2003.

D.W. Fahey, with contributions from A.-L.N. Ajavon, D.L. Albritton, S.O. Andersen, P.J. Aucamp, G. Bernhard, M.P. Chipperfield, J.S. Daniel, S.B. Diaz, E.S. Dutton, C.A. Ennis, P.J. Fraser, R.-S. Gao, R.R. Garcia, M.A. Geller, S. Godin-Beekmann, M. Graber, J.B. Kerr, M.K.W. Ko, M.J. Kurylo, G.L. Manney, K. Mauersberger, M. McFarland, G. Mégie, S.A. Montzka, R. Müller, E.R. Nash, P.A. Newman, S.J. Oltmans, M. Oppenheimer, L.R. Poole, G. Poulet, M.H. Proffitt, W.J. Randel, A.R. Ravishankara, C.E. Reeves, R.J. Salawitch, M.L. Santee, G. Seckmeyer, D.J. Siedel, K.P. Shine, C.C. Sweet, A.F. Tuck, G.J.M. Velders, R.T. Watson, and R.J. Zander, Twenty Questions and Answers about the Ozone Layer, , in: Scientific Assessment of Ozone Depletion: 2002, edited by A.-L. N. Ajavon, D.L. Albritton, G. Megie, and R.T. Watson, World Meteorological Organisation, Global Ozone Research and Monitoring Project, Report No. 47, Geneva, 2003.

G. Bernhard, C.R. Booth, and J.C. Ehramjian, UV Spectroradiometer Monitoring Program: Calculation of Total Column Ozone from Spectra of Global Irradiance Measured at the South Pole and Barrow and Comparison with CMDL/Dobson and NASA/TOMS Ozone Data, in: Climate Monitoring and Diagnostics Laboratory Summary Report 2000-2001, No 26, edited by D.B. King, R.C. Schnell, R.M. Rosson, and C. Sweet, pp. 136-138, U.S. Department of Commerce, Boulder, CO, 2002.

G. Bernhard, C.R. Booth, and J.C. Ehramjian, Comparison of measured and modeled spectral ultraviolet irradiance at Antarctic stations used to determine biases in total ozone data from various sources, in: Ultraviolet Ground- and Space-based Measurements, Models, and Effects, edited by J.R. Slusser, J.R. Herman, and W. Gao, Proceedings of SPIE, Vol. 4482, 115-126, 2002.

G. Bernhard, C.R. Booth, J.C. Ehramjian, S.A. Lynch, and V.V. Quang, UV spectroradiometer monitoring program: Influence of total ozone, cloud cover, and surface albedo on UV doses in Barrow, Alaska, in: Climate Monitoring and Diagnostics Laboratory Summary Report 1998-1999, No 25, 113-115, 2001.

P. Taalas, G. Amanatidis, G. Bernhard, W. Josefsson, T. Koskela, A. Kylling, and K. Vanicek, Summary of the European Conference on Atmospheric UV Radiation, ECUV, 29 June-2 July 1998, Helsinki, Finland , in: SPARC Newsletter 12 - January 1999 published by SPARC WCRP, 1999.

J.R. Herman, R.L. McKenzie, S. Diaz, J. Kerr, S. Madronich, and G. Seckmeyer with contributions from G. Bernhard, M. Blumthaler, B. Bodhaine, R. Booth, E. Celarier, P. Forster, N. Krotkov, J. Lenoble, K. Leszczynski, C. Long, B. Mayer, F. Mims, P. Neale, R Piacentini, K. Ryan, H. Slaper, J. Slusser, R. Wooldridge, and C. Zerefos, UV Radiation at the Earth’s Surface, in: UNEP/WMO Scientific Assessment of Ozone Depletion: 1998, edited by D.L. Albritton, R.T. Watson, and P.J. Aucamp, World Meteorological Organisation, Geneva, 1999.

G. Seckmeyer, B. Mayer, G. Bernhard, and A. Albold, Evaluation of radiative transfer models, in: IRS '96: Current problems in atmospheric, radiation edited by W.L. Smith and K. Stamnes, A. Deepak Publishing, 1997.

G. Pfister, E. Putz, G. Bernhard, G. Seckmeyer, and B. Mayer, Comparison of high resolution spectral UV measurements with DISORT model results using different extraterrestrial spectra, in: IRS '96: Current problems in atmospheric radiation, edited by W.L. Smith and K. Stamnes, A. Deepak Publishing, 1997.

G. Seckmeyer, B. Mayer, G. Bernhard, and R. Erb, UV monitoring in Germany: past, present and future, in: Measurement and trends of terrestrial UVB radiation in Europe, edited by B.L. Diffey, OEMF spa, Milano, 1996.

G. Seckmeyer, B. Mayer, G. Bernhard, and R. Erb, Changes of ultraviolet radiation, in: Proceedings of Eurotrac Symposium '94 edited by P.M. Borell, P. Borell, T. Cvitas, W. Seiler, SPB Academic Publishing bv, The Hague, 1994.

G. Seckmeyer and G. Bernhard, Cosine error correction of spectral UV irradiances, in: Atmospheric Radiation, Proc. SPIE, 2049, 140-151, 1993.

 

Books and Reports

G. Bernhard, C.R. Booth, J.C. Ehramjian, and V.V. Quang, NSF Polar Programs UV Spectroradiometer Network 2006-2007 Operations Report Volume 16.0, Biospherical Instruments Inc., San Diego, 2008.

G. Bernhard, C.R. Booth, J.C. Ehramjian, and V.V. Quang, NSF Polar Programs UV Spectroradiometer Network 2005-2006 Operations Report Volume 15.0, Biospherical Instruments Inc., San Diego, 2008.

G. Bernhard, C.R. Booth, J.C. Ehramjian, and V.V. Quang, NSF Polar Programs UV Spectroradiometer Network 2004-2005 Operations Report Volume 14.0, Biospherical Instruments Inc., San Diego, 2006.

G. Bernhard, C.R. Booth, J.C. Ehramjian, and V.V. Quang, NSF Polar Programs UV Spectroradiometer Network 2003-2004 Operations Report Volume 13.0, Biospherical Instruments Inc., San Diego, 2005.

G. Bernhard, C.R. Booth, J.C. Ehramjian, and V.V. Quang, NSF Polar Programs UV Spectroradiometer Network 2002-2003 Operations Report Volume 12.0, Biospherical Instruments Inc., San Diego, 2005.

G. Bernhard, C.R. Booth, J.C. Ehramjian, and V.V. Quang, NSF Polar Programs UV Spectroradiometer Network 2001-2002 Operations Report Volume 11.0, Biospherical Instruments Inc., San Diego, 2005.

G. Seckmeyer, A. Bais, G. Bernhard, M. Blumthaler, C.R. Booth, P. Eriksen, K. Lantz, R.L. McKenzie, and C. Roy with contributions from P. Disterhoft, Instruments to Measure Solar Ultraviolet Radiation - Part 2: Broadband Instruments Measuring Erythemally Weighted Solar Irradiance , (WMO TD No. 1289), World Meteorological Oranization, Global Atmospheric Watch Publication, 2005.

G. Bernhard, C.R. Booth, J.C. Ehramjian, and V.V. Quang, NSF Polar Programs UV Spectroradiometer Network 2000-2001 Operations Report, Biospherical Instruments Inc., San Diego, 2003.

G. Bernhard, C.R. Booth, J.C. Ehramjian, V.V. Quang, and S.A. Lynch, NSF Polar Programs UV Spectroradiometer Network 1999-2000 Operations Report, Biospherical Instruments Inc., San Diego, 2000.

G. Seckmeyer, A. Bais, G. Bernhard, M. Blumthaler, C.R. Booth, P. Disterhoft, P. Eriksen, R.L. McKenzie, M. Miyauchi, and C. Roy with contributions from K. Dehne, U. Feister, B. Mayer, P. Taalas, E. Weatherhead, and A. Webb, Instruments to measure solar ultraviolet radiation. Part 1: Spectral instruments, World Meteorological Oranization, Global Atmospheric Watch Publication No. 125, WMO TD No. 1066, Geneve, Switzerland, 2001.

C.R. Booth, G. Bernhard, J.C. Ehramjian, V.V. Quang, and S.A. Lynch, NSF Polar Programs UV Spectroradiometer Network 1998-1999 Operations Report, 218 pp., Biospherical Instruments Inc., San Diego, 2000.

C.R. Booth, G. Bernhard, J.C. Ehramjian, L.W. Cabasug, V.V. Quang, and S.A. Lynch, NSF Polar Programs UV Spectroradiometer Network 1997-1998 Operations Report, 233 pp., Biospherical Instruments Inc., San Diego, 2000.

A.R. Webb, B.G. Gardiner, T.J. Martin, K. Leszcynski, J. Metzdorf, and V.A. Mohnen with contributions from D. Wardle, G. Seckmeyer, and G. Bernhard, Guidelines for Site Quality Control of UV Monitoring, World Meteorological Oranization, Global Atmospheric Watch Publication No. 126, WMO TD No. 884, Geneve, Switzerland.

G. Seckmeyer, B. Mayer, and G. Bernhard, The 1997 Status of Solar UV Spectroradiometry in Germany: Results from the National Intercomparison of UV Spectroradiometers, Garmisch-Partenkirchen, Germany, Schriftenreihe of the Fraunhofer-Institute for Atmospheric Environmental Research, 55, 166 pp., Shaker Verlag, Frankfurt am Main, Germany, ISBN 3-8265-36950-9, 1998.

G.Seckmeyer, G. Bernhard, and B. Mayer. Abschlußbericht zum BMBF-Vorhaben "Entwicklung und Einsatz von Referenzgeräten zur Messung der solaren UV-B Strahlung", BMBF Förderkennzeichen 01 LU 9306/5, Fraunhofer-Insitute for Atmospheric Environmental Research, Garmisch-Partenkirchen, Germany, 1997.

B.G. Gardiner and P.J. Kirsch (eds.), Intercomparison of ultraviolet spectroradiometers, Nea Michaniona, 4-5 July 1997, Report to the Commission of the European Communities, Contract ENV4-CT95-0056, 1998.

 

Selected Presentations at Conferences

G. Bernhard, Climatology and Changes of Ultraviolet Radiation at High Latitudes, Invited presentation at "Quadrennial Ozone Symposium," Tromsø, Norway, June 29 - July 5, 2008.

G. Bernhard, Instrumental and Methodological Developments in UV Research, Invited presentation at One century of UV Radiation Research, Davos, Switzerland, September 18-20, 2007.

A. Tanskanen, A. Määtä, N. Krotkov, J. Herman, J. Kaurola, T. Koskela, A. Karpetchko, V. Fioletov, and G. Bernhard, Surface UV irradiance from OMI and EOS-Aura, Presentation at Atmospheric Science Conference organised by ESA in Frascati, Italy, May 8-12, 2006.

G. Bernhard, C.R. Booth, and J.C. Ehramjian, Spectral UV and total ozone observations of the National Science Foundation's UV Monitoring Network, Oral presentation at the XX Quadrennial Ozone Symposium, Kos, Greece, June 1-8, 2004.

G. Bernhard, and C.R. Booth, Effects of Total Ozone, Albedo and Clouds on Biologically Relevant UV Levels at Barrow, Presentation at Annual Meeting of Climate Monitoring and Diagnostics Laboratory, Boulder, CO, May 21-23, 2002.

G. Bernhard, C.R. Booth, and J.C. Ehramjian, The National Science Foundation's UV Monitoring Network for Polar Regions: Recent Advancements and New Results , Poster presented at VIII SCAR International Biology Symposium "Antarctic Biology in a Global Context", Amsterdam, The Netherlands, August 27 - September 1, 2001.

G. Bernhard, C.R. Booth, and J.C. Ehramjian, Effects of Ozone Column and Ozone Profiles on Global Spectral Ultraviolet Irradiance at the South Pole, Poster presented at Sixth Conference on Polar Meteorology and Oceanography, San Diego, California, May 14-18, 2001.

G. Bernhard, C.R. Booth, and J.C. Ehramjian, Changes in Antarctic UV Levels in Relation to Ozone Hole Characteristics, Oral presentation at the 2nd SPARC General Assembly "SPARC2000", Mar del Plata, Argentina, November 6-10, 2000.

G. Bernhard, C.R. Booth, and J.C. Ehramjian, The United States National Science Foundation's UV Monitoring Network for Polar Regions: An Overview and Recent Results, Poster presented at the 7th International Symposium on Antarctic Science, Cheju Island, Korea, August 25-26, 2000.

G. Bernhard, C.R. Booth, and J.C. Ehramjian, Effect of albedo and total column ozone on long-term spectral UV measurements in Barrow, Alaska, Oral presentation at the XXV General Assembly of the European Geophysical Society, Nice, France, April 25-29, 2000.

G. Bernhard, C.R. Booth, C. Lovengreen, J.C. Ehramjian, L. Cabasug, J. Robertson, and T. Mestechkina, Recent results from the United States National Science Foundation's UV Monitoring Network for Polar Regions, Poster presented at the 27th Annual Meeting of the American Society for Photobiology,Washington, D.C., July 10-15, 1999.

G. Bernhard, C.R. Booth, J.C. Ehramjian, D. Goebel, T. Mestechkina, and L. Cabasug, The SUV-150 spectroradiometer: An upgrade to the SUV-100 spectroradiometer currently deployed in the United States UV monitoring network for polar regions, Oral Presentation at the XXIV General Assembly of the European Geophysical Society, The Hague, The Netherlands, April 19-23, 1999.

C.R. Booth, L. Cabasug, T. Mestechkina, J. Robertson, G. Bernhard, and J.C. Ehramjian, UV irradiance measurements in Antarctica: Changes seen in UV Environment at Palmer Station 1988-1998, Poster presented at the 1998 Fall Meeting of the American Geophysical Union, San Francisco, December 6-10, 1998.

G. Bernhard, B. Mayer, and G. Seckmeyer, The German intercomparison of UV spectroradiometers in Garmisch-Partenkirchen, August 1997, Oral Presentation at the European Conference on Atmospheric UV Radiation (ECUV), Helsinki, Finland, 29.6.-2.7.1998.

 

Dissertations

G. Bernhard, Die Genauigkeit von Messungen der solaren UV-Globalbestrahlungsstärke bei verschiedenen Atmosphärenbedingungen (The accuracy of measurements of solar global UV irradiance under different atmospheric conditions), Ph.D. thesis, Karl-Franzens-University Graz, Institute of Meteorology and Geophysics, published in: Schriftenreihe of the Fraunhofer-Insitute for Atmospheric Environmental Research, 47 , 170 pp., Wissenschafts-Verlag Maraun, Frankfurt am Main, Germany, ISBN 3-927548-98-7, 1997.

G. Bernhard, Einfluß von Diffusor-Eigenschaften auf die Bestimmung von Bestrahlungsstärken im UV-Bereich: Versuchsaufbau, Messung und Korrekturverfahren (The influence of diffuser properties on the determination of UV irradiance: experimental set-up, measurement and correction procedures), diploma thesis, Institute of Hydrogeology, Hydrochemistry and Environmental Analysis, Technical University of Munich, published in: Schriftenreihe of the Fraunhofer-Insitute for Atmospheric Environmental Research, 22, 86 pp., Wissenschafts-Verlag Maraun, Frankfurt am Main, Germany, ISBN 3-927548-61-8, 1993.



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