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High-resolution glacial and deglacial record of atmospheric methane by continuous-flow and laser spectrometer analysis along the NEEM ice core

Creator:

Chappellaz, J., Stowasser, C., Blunier, T., Baslev-Clausen, D., Brook, Edward J., Dallmayr, R., Fain, X., Lee, J. E., Mitchell, L. E., Pascual, O., Romanini, D., Rosen, J., and Schuepbach, S.

Abstract:

The Greenland NEEM (North Greenland Eemian Ice Drilling) operation in 2010 provided the first opportunity to combine trace-gas measurements by laser spectroscopic instruments and continuous-flow analysis along a freshly drilled ice core in a field-based setting. We present the resulting atmospheric methane (CH₄) record covering the time period from 107.7...

Resource Type:

Article

Full Text:

the PDD (see Schüpbach et al., 2009 for details). When a new ice rod is placed on the melt head or