Articles | Volume 13, issue 9
Clim. Past, 13, 1227–1242, 2017
https://doi.org/10.5194/cp-13-1227-2017

Special issue: International Partnerships in Ice Core Sciences (IPICS) Second...

Clim. Past, 13, 1227–1242, 2017
https://doi.org/10.5194/cp-13-1227-2017
Research article
22 Sep 2017
Research article | 22 Sep 2017

Atmospheric methane control mechanisms during the early Holocene

Ji-Woong Yang et al.

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Short summary
The early Holocene climate is characterized as an interglacial boundary condition without substantial human influence. Here we present a high-resolution CH4 record covering the early Holocene. The results show that abrupt cooling in Greenland and southward migration of ITCZ were able to induce an ~20 ppb CH4 decrease on a millennial timescale. The inter-polar difference exhibits a gradual increase during the early Holocene, implying the strengthening of northern extratropical emission.