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NCAR/ACD TUV: Tropospheric Ultraviolet & Visible Radiation Model
Entry ID: UCAR_TUV
Abstract: The Tropospheric Ultraviolet-Visible Model (TUV) model is used over
the wavelength range 121 - 750 nm, for calculating the spectral
irradiance, the spectral actinic flux, photodissociation coefficients
(J-values), and biologically effective irradiance (dose rates, doses).
The code has a number of features including
- separate direct and diffuse contributions,
- easy loading of weighting ... functions,
- variable wavelength and altitude grids, surface
- temperature and pressure dependence for selected J-values,
- absorption by oxygen ozone, and sulfur dioxide,
- scattering by air, clouds, and aerosols (Rayleigh and Mie),
- interchangeability of radiative transfer schemes,
- improved treatment of twilight (pseudo-spherical approximation)
- flexible looping through specified conditions,
- extensive in-code documentation.
This manuscript describes in some detail the driver program that is
likely of greatest interest to first-time users of the model. Some
example calculations are also given, as is some code documentation.
The code is written in standard FORTRAN 77 operating within a UNIX
environment. Conversion to other operating systems has been achieved
(e.g., McIntosh, Windows 95/98/NT), though some convenience may be
lost (e.g., the use of Makefiles). The code may be obtained from the
web site and is packed as a single tape archive (tar) file.
Suggestions for improvements and notification of possible code errors
are welcomed, and should be sent to firstname.lastname@example.org. Updates in input
data (e.g., extraterrestrial flux, cross sections and quantum yields,
action spectra, etc.) will be incorporated in future versions, as will
new features deemed to be generally useful.
More information: http://cprm.acd.ucar.edu/Models/TUV/
[Summary Extracted from the NCAR/ACD TUV Manual]
ISO Topic Category
Use Constraints Please Cite "NCAR/ACD".
Madronich, S., Implications of recent total atmospheric ozone
measurements for biologically active ultraviolet radiation
reaching the Earth's surface, Geophys. Res. Lett., 19, 37-40,
Madronich, S., The atmosphere and UV-B radiation at ground
level, in Environmental UV Photobiology (L. O. Bj?rn and
A. R. Young, eds.), Plenum Press, New York, pp. 1-39, 1993.
(*) Madronich, S., UV radiation in the natural and perturbed
atmosphere, in Environmental Effects of UV (Ultraviolet)
Radiation (M. Tevini, ed.), Lewis Publisher, Boca Raton,
pp. 17-69, 1993.
Madronich, S. and F. R. de Gruijl, Skin cancer and UV radiation,
Nature, 366, 23, 1993.
Madronich, S. and F. R. de Gruijl, Stratospheric Ozone Depletion
between 1979 and 1992: Implications for Biologically Active
Ultraviolet-B Radiation and Non-Melanoma Skin Cancer Incidence,
Photochemistry and Photobiology, 59, 541-546, 1994.
Madronich, S., R. L. McKenzie, L. Bjorn, and M. Caldwell,
Changes in ultraviolet radiation reaching the Earth's surface,
Ambio, 24, 143-152, 1995.
Madronich, S., E. Weatherhead, and S. Flocke, Trends in UV
radiation, Int. J. Environ. Sci., 51, 183-198, 1996.
Madronich, S. and S. Flocke, Theoretical estimation of
biologically effective UV radiation at the Earth?s surface, in
Solar Ultraviolet Radiation - Modeling, Measurements &
Effects (C. S. Zerefos and A. F. Bais, eds.) NATO ASI Series I:
Global Environmental Change, Vol. 52, 23-48, Springer-Verlag,
Madronich, S., R. E. McKenzie, L. O Bjorn, and M. M. Caldwell,
Changes in biologically active ultraviolet radiation reaching
the Earth?s surface, J. Photochem. Photobiol. B:Biology, 46,
Madronich, S., Photodissociation in the atmosphere 1. Actinic
flux and the effects of ground reflections and clouds,
J. Geophys. Res., 92, 9740-9752, 1987.
Madronich, S. and C. Granier, Impact of recent total ozone
changes on tropospheric ozone photodissociation, hydroxyl
radicals, and methane trends, Geophys. Res. Lett., 19, 465-467,
Shetter, R. E., A. H. McDaniel, C. A. Cantrell, S. Madronich,
and J. G. Calvert, Actinometer and Eppley radiometer
measurements of the NO2 photolysis rate coefficient during
MLOPEX, J. Geophys. Res., 97, 10349-10359, 1992.
Lantz, K. O., R. E. Shetter, C. A. Cantrell, S. J. Flocke,
J. G. Calvert, and S. Madronich, Theoretical, actinometric, and
radiometric determinations of the photolysis rate coefficient of
NO2 during MLOPEX II, J. Geophys. Res., 101, 14613-14629, 1996.
Shetter, R.E., C. A. Cantrell, K. O. Lantz, S. J. Flocke,
J. J. Orlando, G. S. Tyndall, T. M. Gilpin, S. Madronich,
J. G. Calvert, Measurements and calculations of the
photodissociation rate coefficient for O3 + hn ? O(1D) + O2
during the MLOPEX II field campaign, J. Geophys. Res., 101,
(**) Madronich, S. and S. Flocke, The role of solar radiation in
atmospheric chemistry, in Handbook of Environmental Chemistry
(P. Boule, ed.), Springer-Verlag, Heidelberg, 1998, pp. 1-26.
Madronich, S., Primary photochemical processes in some important
light-absorbing products of alkene atmospheric oxidation, in The
Mechanisms of Atmospheric Oxidation of the Alkenes (Calvert,
J.G. et al., ed.), pp. 368-412, Oxford University Press, Oxford,
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