Mapping of surface UV over Antarctica using satellite observations

Catherine H. Gautier; Paul Ricchiazzi; Dan Lubin

doi:10.1117/12.163512

2 November 1993 Mapping of surface UV over Antarctica using satellite observations

Catherine H. Gautier, Paul Ricchiazzi, Dan Lubin

Proceedings Volume 2049, Atmospheric Radiation; (1993) https://doi.org/10.1117/12.163512
Event: High Latitude Optics, 1993, Tromso, Norway

Abstract

Two methods have been investigated to map UV surface irradiance over Antarctica and the adjacent oceans using satellite remote sensing and ground truth radiometer measurements. Both methods are based on radiance observations from the Advanced Very High Resolution Radiometer (AVHRR) and from the Total Ozone Mapping Spectrometer (TOMS). Surface albedo and cloud optical depth are estimated from visible and infrared AVHRR data, and ozone concentration is derived from TOMS data. Radiative transfer models are applied to retrieve geophysical parameters from satellite data but also to compute the surface UV irradiance. The two methods differ in: (1) the derivation of cloud optical depth, and (2) the type of radiative transfer model used. Preliminary results from both methods are presented and compared with ground measurements made at Palmer Station, Antarctica.

Citation Download Citation

Catherine H. Gautier, Paul Ricchiazzi, and Dan Lubin "Mapping of surface UV over Antarctica using satellite observations", Proc. SPIE 2049, Atmospheric Radiation, (2 November 1993); https://doi.org/10.1117/12.163512

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