Auxiliary material for this article contains two tables and two figures.

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grl28750-sup-0001-readme.txtplain text document5Kreadme.txt
grl28750-sup-0002-ts01.txtplain text document2KTable S1. List of the continuous air sampling stations used in this study together with the data source and the contact person.
grl28750-sup-0003-ts02.txtplain text document4KTable S2. Same as Table S1 but for the flask-sampling stations.
grl28750-sup-0004-fs01.epsPS document37KFigure S1. Seasonal cycle of the natural CO2 fluxes over 11 land regions used in the TransCom3 program during 2009.

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