Table 4. Sites of the TCCON Network for Which Total Column DeltaD Have Been Retrieveda


Data Set	Reference	Spatial Coverage or Location	Period	Precision

Ny Alesund (Norway)	Deutscher et al. [2010]	78.923degreeN, 11.923degreeE	March 2005-August 2010	40permil, no winter measurements
Bremen (Germany)	Messerschmidt et al. [2010]	53.104degreeN, 8.850degreeE	March 2005-December 2010	35permil
Park Falls (United States)	Washenfelder et al. [2006]	45.94degreeN, 90.27degreeW	June 2004 to December 2009	35permil
Lamont (United States)	Washenfelder et al. [2006]	36.60degreeN, 97.49degreeW	July 2008 to December 2009	15permil
Pasadena (United States)	Washenfelder et al. [2006]	34.20degreeN, 118.189degreeW	July 2007 to June 2008	15permil
Darwin (Australia)	Deutscher et al. [2010]	12.43degreeS, 130.89degreeE	2004-2009	7permil
Wollongong (Australia)	Deutscher et al. [2010]	34.41degreeS, 150.88degreeE	2008-2009	5permil
Lauder (New Zealand)	Wunch et al. [2010]	45.05degreeS, 169.68degreeE	2004-2009	8permil

aThe period indicates that used in our analysis, which can be shorter than the total data set. For all these data sets, model outputs were both collocated and transformed by averaging kernels. Precision estimates as described in Appendix B7.