Scientific objectives of GCOM-A1/ODUS

Kazuo Shibasaki; Makoto Suzuki; Takuki Sano; Toshihiro Ogawa

doi:10.1117/12.416954

21 February 2001 Scientific objectives of GCOM-A1/ODUS

Kazuo Shibasaki, Makoto Suzuki, Takuki Sano, Toshihiro Ogawa

Proceedings Volume 4150, Optical Remote Sensing of the Atmosphere and Clouds II; (2001) https://doi.org/10.1117/12.416954
Event: Second International Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 2000, Sendai, Japan

Abstract

The Ozone Dynamics Ultraviolet Spectrometer (ODUS) is one of core sensors onboard Global Change Observation Mission (GCOM)- Al satellite. The ODUS is a Fastie-Ebert type polychromator which measures the solar ultraviolet radiation of 306 nm to 420 nm wavelength region scattered from the Earth's atmosphere and surface. The measuring spectral region contains many absorption features by atmospheric minor constituents such as ozone (O₃), sulfur dioxide (SO₂), nitrogen dioxide (NO₂), and so on. The primary objective of ODUS is to monitor the global total ozone field with an accuracy of 5% before calibration and 2% after calibration. It will map the global total ozone field, except of the latitudinal zone larger than 80 degrees, in one day with better spatial resolution of 20 km by 20 km at nadir than TOMS of 40 km by 40 km. The better spatial resolution will help studying the dynamically related phenomena, such as development of biomass burnings, spreading of urban pollution and of volcanic aerosols, in more detail. In this paper scientific objectives of GCOM A1/ODUS will be discussed and presented.

Citation Download Citation

Kazuo Shibasaki, Makoto Suzuki, Takuki Sano, and Toshihiro Ogawa "Scientific objectives of GCOM-A1/ODUS", Proc. SPIE 4150, Optical Remote Sensing of the Atmosphere and Clouds II, (21 February 2001); https://doi.org/10.1117/12.416954

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