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34147199862
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For this figure, the data from (6) were adjusted using the new internationally accepted gravimetrically prepared scale for methane (21).
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For this figure, the data from (6) were adjusted using the new internationally accepted gravimetrically prepared scale for methane (21).
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22
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34147213966
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Supported by Natural Environment Research Council grant NERC/L/S/00661 (K.P.S, and the European Commission CRYOSTAT project (W.T.S, We thank S. Montzka and E. Dlugokencky (NOAA Earth System Research Laboratory) for updated data for HFC-134a and CH4, and L. Gohar and D. Worton for other assistance with the figure
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4, and L. Gohar and D. Worton for other assistance with the figure.
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