The Stratospheric Aerosol and Gas Experiment (SAGE) is a series of remote sensing satellite instruments used to study the chemical composition of Earth's atmosphere. Specifically, SAGE has been used to study the Earth's ozone layer and aerosols at the troposphere through the stratosphere. The SAGE instruments use solar occultation measurement technique to determine chemical concentrations in the atmosphere. Solar occultation measurement technique measures sunlight through the atmosphere and ratios that measurement with a sunlight measurement without atmospheric attenuation. This is achieved by observing sunrises and sunsets during a satellite orbit. Physically, the SAGE instruments measure ultraviolet/visible energy and this is converted via algorithms to determine chemical concentrations. SAGE data has been used to study the atmospheres aerosols, ozone, water vapor, and other trace gases.
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Transcription
History
There has been 4 series of SAGE instruments:
- SAGE I - Flew on the Explorer 60 satellite.[1]
- SAGE II - Flew on the Earth Radiation Budget Satellite (ERBS).[2]
- SAGE III - Flew on the Meteor-3M No.1.[3]
- SAGE III on ISS, was launched on the SpaceX CRS-10 mission using a Falcon 9 with Cargo Dragon. It was launched on 19 February 2017 and installed on the International Space Station (ISS).[4]
References
- ^ "SAGE I". NASA. April 1996. Archived from the original on 14 February 2013. Retrieved 4 March 2013.
This article incorporates text from this source, which is in the public domain.
- ^ "SAGE II: Understanding the Earth's Stratosphere". NASA. April 1996. Retrieved 12 March 2011. This article incorporates text from this source, which is in the public domain.
- ^ "Meteor-3M Mission". NASA. 20 September 2007. Archived from the original on 18 December 2010. Retrieved 12 March 2011. This article incorporates text from this source, which is in the public domain.
- ^ "About SAGE III on ISS". NASA. Archived from the original on 18 November 2016. Retrieved 21 November 2015. This article incorporates text from this source, which is in the public domain.
External links
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This page was last edited on 22 November 2021, at 08:26