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| Titel |
Aircraft measurements of carbon dioxide and methane for the calibration of ground-based high-resolution Fourier Transform Spectrometers and a comparison to GOSAT data measured over Tsukuba and Moshiri |
| VerfasserIn |
T. Tanaka, Y. Miyamoto, I. Morino, T. Machida, T. Nagahama, Y. Sawa, H. Matsueda, D. Wunch, S. Kawakami, O. Uchino |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1867-1381
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Measurement Techniques ; 5, no. 8 ; Nr. 5, no. 8 (2012-08-20), S.2003-2012 |
| Datensatznummer |
250003052
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| Publikation (Nr.) |
 copernicus.org/amt-5-2003-2012.pdf |
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| Zusammenfassung |
Aircraft measurements of carbon dioxide and methane over Tsukuba
(36.05° N, 140.12° E) (February 2010) and Moshiri
(44.36° N, 142.26° E) (August 2009) were made to calibrate
ground-based high-resolution Fourier Transform Spectrometers (g-b FTSs) and
to compare with the Greenhouse gases Observing SATellite (GOSAT). The
aircraft measurements over Tsukuba in February 2010 were successful in
synchronizing with both the g-b FTS and GOSAT for the first time. Airborne in situ and flask-sampling instruments were mounted on the aircraft, and
measurements were carried out between altitudes of 0.5 and 7 km to obtain
vertical profiles of carbon dioxide (CO2), methane (CH4), and other
gaseous species.
By comparing the g-b FTS measurements with the airborne measurements, the
column-averaged dry air mole fractions of CO2 (XCO2)
and CH4 (XCH4) retrieved from the g-b FTS measurements
at Tsukuba were biased low by 0.33 ± 0.11% for XCO2 and 0.69 ± 0.29% for XCH4.
The g-b FTS values at Moshiri were biased low by 1.24% for
XCO2 and 2.11% for XCH4. The GOSAT data
show biases that are 3.1% ± 1.7% lower for XCO2 and 2.5% ± 0.8% lower for XCH4 than the aircraft
measurements obtained over Tsukuba. |
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