Relationship between denitrification and hydrate saturations: a comparison of ILAS observations with nucleation models

Hitoshi Irie; Yutaka Kondo; Makoto Koike; Hideaki Nakajima; Yasuhiro Sasano

doi:10.1117/12.466782

9 April 2003 Relationship between denitrification and hydrate saturations: a comparison of ILAS observations with nucleation models

Hitoshi Irie, Yutaka Kondo, Makoto Koike, Hideaki Nakajima, Yasuhiro Sasano

Author Affiliations +

Proceedings Volume 4891, Optical Remote Sensing of the Atmosphere and Clouds III; (2003) https://doi.org/10.1117/12.466782
Event: Third International Asia-Pacific Environmental Remote Sensing Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2002, Hangzhou, China

Abstract

The Improved Limb Atmospheric Spectrometer on board the Advanced Earth Observing Satellite first detected the onset of denitrification in the 1996/1997 Arctic winter stratosphere. Box model calculations along back trajectories are used to estimate the degree of denitrification caused by the formation of nitric acid trihydrate (NAT) particles followed by their growth and sedimentation. The calculated loss of reactive nitrogen explains well the observed loss, identifying the mechanism of large NAT particle formation causing Arctic denitrification.

Citation Download Citation

Hitoshi Irie, Yutaka Kondo, Makoto Koike, Hideaki Nakajima, and Yasuhiro Sasano "Relationship between denitrification and hydrate saturations: a comparison of ILAS observations with nucleation models", Proc. SPIE 4891, Optical Remote Sensing of the Atmosphere and Clouds III, (9 April 2003); https://doi.org/10.1117/12.466782

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