OSA's Digital Library

Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 14 — May. 10, 2005
  • pp: 2863–2869

Assessment of the ultraviolet radiation field in ocean waters from space-based measurements and full radiative-transfer calculations

Alexander P. Vasilkov, Jay R. Herman, Ziauddin Ahmad, Mati Kahru, and B. Greg Mitchell  »View Author Affiliations


Applied Optics, Vol. 44, Issue 14, pp. 2863-2869 (2005)
http://dx.doi.org/10.1364/AO.44.002863


View Full Text Article

Enhanced HTML    Acrobat PDF (392 KB)





Browse Journals / Lookup Meetings

Browse by Journal and Year


   


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools

Share
Citations

Abstract

Quantitative assessment of the UV effects on aquatic ecosystems requires an estimate of the in-water radiation field. Actual ocean UV reflectances are needed for improving the total ozone retrievals from the total ozone mapping spectrometer (TOMS) and the ozone monitoring instrument (OMI) flown on NASA's Aura satellite. The estimate of underwater UV radiation can be done on the basis of measurements from the TOMS/OMI and full models of radiative transfer (RT) in the atmosphere–ocean system. The Hydrolight code, modified for extension to the UV, is used for the generation of look-up tables for in-water irradiances. A look-up table for surface radiances generated with a full RT code is input for the Hydrolight simulations. A model of seawater inherent optical properties (IOPs) is an extension of the Case 1 water model to the UV. A new element of the IOP model is parameterization of particulate matter absorption based on recent in situ data. A chlorophyll product from ocean color sensors is input for the IOP model. Verification of the in-water computational scheme shows that the calculated diffuse attenuation coefficient Kd is in good agreement with the measured Kd.

© 2005 Optical Society of America

OCIS Codes
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(280.0280) Remote sensing and sensors : Remote sensing and sensors

History
Original Manuscript: June 25, 2004
Revised Manuscript: October 14, 2004
Manuscript Accepted: October 29, 2004
Published: May 10, 2005

Citation
Alexander P. Vasilkov, Jay R. Herman, Ziauddin Ahmad, Mati Kahru, and B. Greg Mitchell, "Assessment of the ultraviolet radiation field in ocean waters from space-based measurements and full radiative-transfer calculations," Appl. Opt. 44, 2863-2869 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-14-2863


Sort:  Author  |  Year  |  Journal  |  Reset  

References

  1. S. de More, S. Demers, M. Vernet, eds., The Effects of UV Radiation in the Marine Environment (Cambridge University, Cambridge, UK, 2000). [CrossRef]
  2. J. R. Herman, E. Celarier, “Earth surface reflectivity climatology at 340 to 380 nm from TOMS data,” J. Geophys. Res. 102, 28003–28011 (1997). [CrossRef]
  3. K. Stamnes, “Ultraviolet and visible radiation in the atmosphere–ocean system: a tutorial review of modeling capabilities,” Opt. Eng. 41, 3008–3018 (2002). [CrossRef]
  4. A. P. Vasilkov, N. Krotkov, J. R. Herman, C. McClain, K. Arrigo, W. Robinson, “Global mapping of underwater UV irradiance and DNA-weighted exposures using TOMS and SeaWiFS data products,” J. Geophys. Res. 106, 27205–27219 (2001). [CrossRef]
  5. C. D. Mobley, Light and Water: Radiative Transfer in Natural Waters (Academic, San Diego, Calif, 1994).
  6. Z. Ahmad, R. S. Fraser, “An iterative radiative transfer code for ocean–atmosphere systems,” J. Atmos. Sci. 39, 656–665 (1982). [CrossRef]
  7. K. Stamnes, S.-C. Tsay, W. Wiscombe, K. Jayaweera, “Numerically stable algorithm for discrete ordinate method radiative transfer in multiple scattering and emitting layered media,” Appl. Opt. 27, 2502–2509 (1988). [CrossRef] [PubMed]
  8. R. M. Pope, E. S. Fry, “Absorption spectrum(380–700 nm) of pure water. II. Integrating cavity measurements,” Appl. Opt. 36, 8710–8723 (1997). [CrossRef]
  9. F. M. Sogandares, E. S. Fry, “Absorption spectrum(340–700 nm) of pure water. I. Photothermal measurements,” Appl. Opt. 36, 8710–8723 (1997). [CrossRef]
  10. R. C. Smith, K. C. Baker, “Optical properties of the clearest natural waters,” Appl. Opt. 20, 177–186 (1981). [CrossRef] [PubMed]
  11. A. P. Vasilkov, J. Herman, N. A. Krotkov, M. Kahru, B. G. Mitchell, C. Hsu, “Problems in assessment of the UV penetration into natural waters from space-based measurements,” Opt. Eng. 41, 3019–3027 (2002). [CrossRef]
  12. T. I. Quickenden, J. A. Irvin, “The ultraviolet absorption spectrum of liquid water,” J. Chem. Phys. 72, 4416–4428 (1980). [CrossRef]
  13. E. S. Fry, “Visible and near ultraviolet absorption spectrum of liquid water,” Appl. Opt. 39, 2743–2744 (2000). [CrossRef]
  14. A. P. Vasilkov, J. Joiner, J. Gleason, P. K. Bhartia, “Ocean Raman scattering in satellite backscatter UV measurements,” Geophys. Res. Lett. 29(17), 1837, doi: (2002). [CrossRef]
  15. O. V. Kopelevich, S. V. Lutsarev, V. V. Rodionov, “Light spectral absorption by yellow substance of ocean water,” Oceanology 29, 409–414 (1989).
  16. A. Morel, “Optical modeling of the upper ocean in relation to its biogeneous matter content (Case I waters),” J. Geophys. Res. 93, 10749–10768 (1988). [CrossRef]
  17. A. Bricaud, M. Babin, A. Morel, H. Claustre, “Variability in the chlorophyll-specific absorption coefficients of natural phytoplankton: analysis and parameterization,” J. Geophys. Res. 100, 13321–13332 (1995). [CrossRef]
  18. M. Kahru, B. G. Mitchell, “Spectral reflectance and absorption of a massive red tide off Southern California,” J. Geophys. Res. 103, 21601–21609 (1998). [CrossRef]
  19. A. Morel, S. Maritorena, “Bio-optical properties of oceanic waters: a reappraisal,” J. Geophys. Res. 106, 7163–7180 (2001). [CrossRef]
  20. H. Loisel, A. Morel, “Light scattering and chlorophyll concentration in Case 1 waters: a reexamination,” Limnol. Oceanogr. 43, 847–858 (1998).
  21. G. Fournier, J. L. Forand, “Analytic phase functions for ocean water,” in Ocean Optics XII, J. S. Jaffe, ed., Proc. SPIE2258, 194–201 (1994). [CrossRef]
  22. Z. Ahmad, J. R. Herman, A. Vasilkov, M. Tzortziou, B. G. Mitchell, M. Kahru, “Seasonal variation of UV radiation in the ocean under clear cloudy conditions,” in Ultraviolet Ground- and Space-Based Measurements, Models, and Effects, J. R. Slusser, J. R. Herman, W. Gao, eds., Proc. SPIE5156, 63–73 (2003). [CrossRef]
  23. N. K. Hojerslev, “Optical properties of sea water,” in Landolt-Bornstein Numerical Data and Functional Relationships in Science and Technology, J. Sundermann, ed. (Springer-Verlag, New York, 1986), pp. 263–281.
  24. H. R. Gordon, “Can the Lambert–Beer law be applied to the diffuse attenuation coefficient of ocean water?”Limnol. Oceanogr. 34, 1389–1409 (1989). [CrossRef]
  25. A. P. Vasilkov, J. Herman, Z. Ahmad, M. Kahru, B. G. Mitchell, M. Tzortziou, “A comparison of UV penetration into ocean waters with models and in situ data,” in Proceedings of the Ocean Optics XVI Conference (CD-ROM) (Office of Naval Research, Arlington, Va., 2002).
  26. C. D. Mobley, L. K. Sundman, E. Boss, “Phase function effects on oceanic light fields,” Appl. Opt. 41, 1035–1050 (2002). [CrossRef] [PubMed]
  27. A. P. Vasilkov, J. Herman, Z. Ahmad, M. Kahru, G. Mitchell, “Model for the assessment of UV penetration into ocean waters from space-based measurements and full radiative transfer calculations,” in Ultraviolet Ground- and Space-Based Measurements, Models, and Effects III, J. R. Slusser, J. R. Herman, W. Gao, eds., Proc. SPIE5156, 316–322 (2003). [CrossRef]

Cited By

Alert me when this paper is cited

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.

Figures

Fig. 1 Fig. 2 Fig. 3
 
Fig. 4 Fig. 5
 

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited