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Pakitsoq carbon-14 of methane and supporting gas data
Entry ID:
severinghaus_0221470
Summary
Abstract:
This data set includes carbon-14 measurements on atmospheric methane obtained
from air bubbles in glacial ice at the Pakitsoq outcrop in western Greenland, during two abrupt increases in methane concentration during the last deglaciation (14.7 and 11.6 kyr BP). Supporting measurements of oxygen-18 of O2, nitrogen-15 of N2, methane concentration, and oxygen-18 of ice used to establish the chronology are also included. The data were collected between 2001 and 2005 in a test of the "clathrate hypothesis", that massive releases of methane from marine methane hydrates caused the observed abrupt increases in atmospheric concentration at those two times. Geographic Coverage
(Click for Interactive Map)
Spatial coordinates
Data Set Citation
Dataset Originator/Creator:
Jeff Severinghaus, Vasilii Petrenko, Ed Brook, Niels Reeh, Dave Lowe, Andrew Smith
Dataset Title:
Pakitsoq carbon-14 of methane and related gases
Paleo Temporal Coverage
Paleo Start Date:
15400 ybp
Paleo Stop Date: 11200 ybp Chrono Unit: Location Keywords
Science Keywords
ISO Topic Category
Project
Data Center
Personnel
Role:
INVESTIGATOR
Phone:
858-822-2483
Fax:
858-822-3310
Email:
jseveringhaus at ucsd.edu
Contact Address:
Scripps Institution of Oceanography
9500 Gilman Dr.
City:
La Jolla
Province or State:
CA
Postal Code:
92093-0244
Country:
USA
Publications/References
Petrenko, V.V., Severinghaus, J.P., Brook, E.J., Reeh, N., Schaefer, H., Gas
records from the west Greenland ice margin covering the last glacial Termination: A horizontal ice core, Quaternary Science Reviews 25, 865-875 (2006). Creation and Review Dates
DIF Creation Date:
2006-11-22
Last DIF Revision Date:
2007-12-19
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- Responsible NASA Official: Lola Olsen
- Last updated: June 2013
