TY  - JOUR
A1  - Messerschmidt, Janina
A1  - Geibel, Marc Christoph
A1  - Blumenstock, Thomas
A1  - Chen, Hilin
A1  - Deutscher, Nicholas M.
A1  - Engel, Andreas
A1  - Feist, Dietrich G.
A1  - Gerbig, Christoph
A1  - Gisi, Michael
A1  - Hase, Frank
A1  - Katrynski, Krzysztof
A1  - Kolle, Olaf
A1  - Lavrič, Jost-Valentin
A1  - Notholt, Justus
A1  - Palm, Mathias
A1  - Ramonet, Michael
A1  - Rettinger, Markus
A1  - Schmidt, Martina
A1  - Sussmann, Ralf
A1  - Toon, Geoffrey C.
A1  - Truong, Francois
A1  - Warneke, Thorsten
A1  - Wennberg, Paul O.
A1  - Wunch, Debra
A1  - Xueref-Remy, Irene
T1  - Calibration of TCCON column-averaged CO2: the first aircraft campaign over European TCCON sites
T2  - Atmospheric chemistry and physics
N2  - The Total Carbon Column Observing Network (TCCON) is a ground-based network of Fourier Transform Spectrometer (FTS) sites around the globe, where the column abundances of CO2, CH4, N2O, CO and O2 are measured. CO2 is constrained with a precision better than 0.25% (1-σ). To achieve a similarly high accuracy, calibration to World Meteorological Organization (WMO) standards is required. This paper introduces the first aircraft calibration campaign of five European TCCON sites and a mobile FTS instrument. A series of WMO standards in-situ profiles were obtained over European TCCON sites via aircraft and compared with retrievals of CO2 column amounts from the TCCON instruments. The results of the campaign show that the FTS measurements are consistently biased 1.1% ± 0.2% low with respect to WMO standards, in agreement with previous TCCON calibration campaigns. The standard a priori profile for the TCCON FTS retrievals is shown to not add a bias. The same calibration factor is generated using aircraft profiles as a priori and with the TCCON standard a priori. With a calibration to WMO standards, the highly precise TCCON CO2 measurements of total column concentrations provide a suitable database for the calibration and validation of nadir-viewing satellites
Y1  - 2011
UR  - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/23481
UR  - https://nbn-resolving.org/urn:nbn:de:hebis:30:3-234812
UR  - http://www.atmos-chem-phys.net/11/10765/2011/
SN  - 1680-7316
VL  - 11
SP  - 10765
EP  - 10777
PB  - European Geosciences Union
CY  - Katlenburg-Lindau
ER  -