Abstract
The micro-spectrometer Argus 1000 being in space continuously monitors the sources and sinks of the trace gases. It is commonly believed that among other gases CO_2 is the major contributor causing the greenhouse effect. Argus 1000 along its orbit gathers the valuable spectral data that can be analyzed and retrieved. In this paper we present the retrieval of CO_2 gas in the near infrared window 1580 to 1620 nm by using line-by-line code GENSPECT. The retrieved Argus 1000 space data taken over British Columbia on May 31, 2010 indicates an enhancement of CO_2 by about 30%.
Highlights
Radiative transfer models provide the synthetic radiances as if they could be measured by the sensor for a specified state of the atmosphere
In this paper we present the correlation of experimental data from Argus 1000 micro-spectrometer orbiting currently around the Earth with retrieved data obtained by the radiative transfer model GENSPECT (Quine & Drummond, 2002)
The GENSPECT radiative transfer modeling based on the optimal retrievals methodology is applied (Quine & Drummond, 2002)
Summary
Radiative transfer models provide the synthetic radiances as if they could be measured by the sensor for a specified state of the atmosphere. It is common to assume that during data retrieval process the response of the spectrometer would match with that of simulation obtained by a radiative transfer model of the Earth atmosphere (Quine & Drummond, 2002; Clough et al, 2006; Jagpal et al, 2010; Fyfe et al, 2013). In this paper we present the correlation of experimental data from Argus 1000 micro-spectrometer orbiting currently around the Earth with retrieved data obtained by the radiative transfer model GENSPECT (Quine & Drummond, 2002). The nadir view consideration is advantages for relatively more accurate simulation of the atmospheric radiation The nadir view consideration is advantages for relatively more accurate simulation of the atmospheric radiation (Buchwitz et al, 2004; Buchwitz. et al, 2000)
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