Current status and early results of the ILAS-II onboard the ADEOS-II Satellite

Hideaki Nakajima; Takafumi Sugita; Tatsuya Yokota; Yasuhiro Sasano

doi:10.1117/12.510022

2 February 2004 Current status and early results of the ILAS-II onboard the ADEOS-II Satellite

Hideaki Nakajima, Takafumi Sugita, Tatsuya Yokota, Yasuhiro Sasano

Author Affiliations +

Proceedings Volume 5234, Sensors, Systems, and Next-Generation Satellites VII; (2004) https://doi.org/10.1117/12.510022
Event: Remote Sensing, 2003, Barcelona, Spain

Abstract

The Improved Limb Atmospheric Spectrometer-II (ILAS-II) onboard the Advanced Earth Observing Satellite-II (ADEOS-II) was successfully launched on 14 December, 2002 from National Space Development Agency of Japan (NASDA)’s Tanegashima Space Center. ILAS-II is a solar-occupation atmospheric sensor which will measure vertical profiles of O₃, HNO₃, NO₂, N₂O, CH₄, H₂O, ClONO₂, aerosol extinction coefficients, etc. with four grating spectrometers. After the checkout period of the ILAS-II which is scheduled in January-February, 2003, ILAS-II will make routine measurements from early April. An initial checkout (ICO) operation was done on 20-23 January, 2003. Data taken during the ICO period suggest that ILAS-II was functioning normally as designed. Signal-to-noise ratio (SNR) for each channel showed good quality of the ILAS-II data except for Ch.3. Preliminary comparison of ILAS-II O₃ profiles with ozonesondes showed good agreements. A validation campaign is scheduled to be taken place in Kiruna, Sweden in 2003, when several balloon-borne measurements are planned.

Citation Download Citation

Hideaki Nakajima, Takafumi Sugita, Tatsuya Yokota, and Yasuhiro Sasano "Current status and early results of the ILAS-II onboard the ADEOS-II Satellite", Proc. SPIE 5234, Sensors, Systems, and Next-Generation Satellites VII, (2 February 2004); https://doi.org/10.1117/12.510022

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