Impact of stratospheric ozone depletion on UV penetration into the ocean at high latitudes

Jun Zeng; Zhonghai Jin; Knut H. Stamnes

doi:10.1117/12.165510

10 December 1993 Impact of stratospheric ozone depletion on UV penetration into the ocean at high latitudes

Jun Zeng, Zhonghai Jin, Knut H. Stamnes

Proceedings Volume 2048, Underwater Light Measurements; (1993) https://doi.org/10.1117/12.165510
Event: High Latitude Optics, 1993, Tromso, Norway

Abstract

The effect of ozone depletion on penetration of UVB radiation through the atmosphere and into an aquatic system is investigated with the use of a newly developed radiation model pertinent for the coupled atmosphere-ocean system. The atmosphere and underlying water are each divided into a sufficient number of horizontal layers to resolve the changes in model accounts for all orders of multiple scattering and the change in index of refraction across the air- water interface. The penetration of UVB radiation into the aquatic system is examined by assuming `normal' ozone abundance, taken to be 350 DU, and about 30% reduction from normal (250 DU), at 70 degree(s) N. The effect of ozone depletion on the UVB penetration into the water is more pronounced in early spring than in summer. The UVB enhancements are up to 36% at the earth surface and 33% 10 meters below the sea surface on April 1 at 70 degree(s) N as a consequence of ozone depletion from normal level to 250 DU.

Citation Download Citation

Jun Zeng, Zhonghai Jin, and Knut H. Stamnes "Impact of stratospheric ozone depletion on UV penetration into the ocean at high latitudes", Proc. SPIE 2048, Underwater Light Measurements, (10 December 1993); https://doi.org/10.1117/12.165510

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