John E. Frederick, Professor, Department of the Geophysical Sciences and the College.
Master, Physical Sciences Collegiate Division. Associate Dean, Division of the Physical Sciences and the College.

Recent Publications

Photosynthetically Active Sunlight at High Southern Latitudes, John E. Frederick and Yixiang Liao, Photochem. Photobiol. , submitted, 2004.

Mean non-erythemal ultraviolet daylight: Definition and necessity of a standard, F. J., Christiaens, A. Chardon, A. Fourtanier, and J. E. Frederick, Photochem. Photobiol., submitted, 2004.

Behavior of solar ultraviolet irradiance at high southern latitudes over a decadal timescale, J. E. Frederick and Y. Liao, Proc. SPIE, 5156, 37-47, 2003.

Interannual variability in solar ultraviolet irradiance over decadal time scales at latitude 55o South, J. E. Frederick, V. W. Manner, and C. R. Booth, Photochem. Photobiol., 74, 771-779, 2001.

Aerosol optical depth measurements and their impact on surface levels of ultraviolet-B radiation, B. N. Wenny, V. K. Saxena, and J. E. Frederick, J. Geophys. Res., 106, 17,311, 2001.

An empirical method for the determination of the complex index of refraction of size-fractionated atmospheric aerosols for radiative transfer calculations, N. A. Marley, J. S. Gaffney, C. Baird, C. A. Blazer, P. J. Drayton, and J. E. Frederick, Aerosol Sci. Technol., 24, 535-549, 2001.

Annual and interannual behavior of solar ultraviolet irradiance revealed by broadband measurements, J. E. Frederick, J. R. Slusser, and D. S. Bigelow, Photochem. Photobiol., 72, 488-496, 2000.

Detecting the recovery of total column ozone, E. C. Weatherhead et al., J. Geophys. Res., 105, 22,201-22,210, 2000.

Solar Ultraviolet Irradiance at the Ground, K. R. Ryan, J. E. Frederick, A. F. Bais, J. B. Kerr, and B. Wu, Chapter 5 in Aviation and the Global Atmosphere, Cambridge University Press, pp. 165-183, 1999.

Estimating biologically active UV-irradiance from satellite radiance measurements: A sensitivity study, P. F. Soulen and J. E. Frederick, J. Geophys. Res., 104, 4117-4126, 1999. [Abstract]

Atmospheric transmission in the ultraviolet and visible: Aerosols in cloudy atmospheres, C. Erlick, J. E. Frederick, V., K. Saxena, and B. N. Wenny, J. Geophys. Res., 103, 31, 541-31,556, 1998. [Abstract]

The effects of aerosols on the wavelength dependence of atmospheric transmission in the ultraviolet and visible, Part II: Typical continental and urban aerosols in clear skies, C. Erlick and J. E. Frederick, J. Geophys. Res., 103, 23,275-23,285, 1998.

Ultraviolet radiation at sites on the Antarctic coast, J. E. Frederick, Z. Qu, and C. R. Booth, Photochem. Photobiol., 68, 183-190, 1998. [Abstract]

Factors affecting the detection of trends: Statistical considerations and applications to environmental data, E. C. Weatherhead et al., J. Geophys. Res., 103, 17,149-17,161, 1998.

The effects of aerosols on the wavelength dependence of atmospheric transmission in the ultraviolet and visible, Part I: A "single scattering separate" delta-Eddington model, C. Erlick and J. E. Frederick, J. Geophys. Res., 103,11,465-11,472, 1998.

Impacts of solar UVR on aquatic microorganisms, C. R. Booth et al., Photochem. Photobiol., 65, 252-269, 1997.

Response of summertime odd nitrogen and ozone at 17 mb to Mount Pinatubo aerosol over the southern mid-latitudes: Observations from the Halogen Occultation Experiment, L. J. Mickley, J. P. D. Abbatt, J. E. Frederick, and J. M. Russell III, J. Geophys. Res., 102, 23,573-23,582 , 1997.

Evolution of chlorine and nitrogen species in the lower stratosphere during Antarctic spring: Use of tracers to determine chemical change, L. J. Mickley, J. P. D. Abbatt, J. E. Frederick, and J. M. Russell III, J. Geophys. Res., 102, 21,479-21,491, 1997.

The attenuation of sunlight by high latitude clouds: Spectral dependence and its physical mechanisms, J. E. Frederick and C. Erlick, J. Atmos. Sci., 54, 2813-2819, 1997.

Analysis of long-term behavior of ultraviolet radiation measured by Robertson-Berger meters at 14 sites in the United States, E. C. Weatherhead, G. C. Tiao, G. C. Reinsel, J. E. Frederick, J. J. DeLuisi, D. Choi, and W. Tam, J. Geophys. Res., 102, 8737-8754, 1997.

Solar ultraviolet irradiance at Tierra del Fuego: Comparison of measurements and calculations over a full annual cycle, S. B. Diaz, J. E. Frederick, T. Lucas, C. R. Booth, and I. Smolskaia, Geophys. Res. Lett., 23, 355-358, 1996.

A new approach to the characterization of long-term changes in total atmospheric ozone: Determination and application of frequency distributions, R. A. Reck, B. L. Weinberg, R. M. Bornick, G. Wen, and J. E. Frederick, Atmospheric Environment, 30, 2627-2636, 1996.

Validation of nitric oxide and nitrogen dioxide measurements made by the Halogen Occultation Experiment for UARS platform, J. M. Russell III et al., J. Geophys. Res., 101, 10,241-10,266, 1996.

Solar ultraviolet radiation and the risk of infectious disease: Summary of a workshop, R. S. Chapman et al., Photochem. Photobiol., 61, 223-247, 1995.

The transmission of sunlight through cloudy skies: An analysis based on standard meteorological information, J. E. Frederick and H. D. Steele, J. Appl. Meteorol., 34, 2755, 1995.

Trends and interannual variations in erythemal sunlight, 1978-1993, J. E. Frederick and C. Erlick, Photochem. Photobiol., 62, 476-484, 1995.

Pinatubo aerosols and associated behavior of ozone inferred from backscatter ultraviolet measurements on the Space Shuttle, G. Wen and J. E. Frederick, J. Geophys. Res., 100, 18,855, 1995.

The effects of horizontally extended clouds on backscattered ultraviolet sunlight, G. Wen and J. E. Frederick, J. Geophys. Res., 100, 16,387, 1995.