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Historic CH4 Records from Antarctic and Greenland Ice Cores, Antarctic Firn Data, and Archived Air Samples from Cape Grim, Tasmania in CDIAC/Trends Online
Entry ID: CDIAC_CH4_LAWDOME

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Summary
Abstract: This data represents one thousand years of atmospheric methane concentrations.
Methane concentrations was measured in air bubbles from 1008-1980 in Antarctic
ice cores, and from 1075-1885 in Greenland ice cores. Air in firn samples from
1978 to 1993 are also included as well as archived air samples from Cape Grim,
Tasmania for the years 1978-1995.

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Description: Access to data and graphics from CDIAC

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Description: Access to data from WDC/Paleoclimatology
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Caption:  Methane concentrations from three ice cores, firn, and air samples
Description:  Methane concentrations from three ice cores, firn, and air samples

 
Geographic Coverage
(Click for Interactive Map)
Spatial coordinates   
  N: -66.73   S: -66.73   E: 112.83   W: 112.83
  N: 72.57   S: 72.57   E: -37.62   W: -37.62

Data Set Citation
Dataset Originator/Creator: D.M. Etheridge, L.P. Steele, R.J. Francey, and R.L. Langenfelds
Dataset Title: Historical CH4 Records Since About 1000 A.D. From Ice Core Data
Dataset Release Date: 2002
Dataset Release Place: Oak Ridge, TN
Dataset Publisher: U.S. DOE Carbon Dioxide Information Analysis Center
Online Resource: http://cdiac.ornl.gov/trends/atm_meth/lawdome_meth.html

Dataset Originator/Creator: D.M. Etheridge, L.P. Steele, R.J. Francey, and R.L. Langenfelds
Dataset Title: Ice Core, Firn Air and Archived Air Atmospheric Methane Concentration Data
Dataset Series Name: IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2002-039
Dataset Release Date: June 2002
Dataset Release Place: Boulder, CO
Dataset Publisher: IGBP PAGES/World Data Center for Paleoclimatology
Issue Identification: Data Contribution Series #2002-039
Other Citation Details: NOAA/NCDC Paleoclimatology Program
Online Resource: fftp://ftp.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/law/law_...
Temporal Coverage
Start Date: 1008-01-01
Stop Date: 1995-12-31
Paleo Temporal Coverage
Paleo Start Date: 1000 ybp
Paleo Stop Date: 0 ybp
Chrono Unit:
PHANEROZOIC  >  CENOZOIC  >  QUATERNARY  >  HOLOCENE
Location Keywords
Science Keywords
ISO Topic Category
Platform
GROUND-BASED OBSERVATIONS Ancillary Description
Project
Access Constraints None
Use Constraints Cite the authors when using the data:

CITE AS: D.M. Etheridge, L.P. Steele, R.J. Francey, and
R.L. Langenfelds. 2002. Historical CH4 Records Since About 1000
A.D. From Ice Core Data. In Trends: A Compendium of Data on Global
Change. Carbon Dioxide Information Analysis Center, Oak Ridge National
Laboratory, U.S. Department of Energy, Oak Ridge, Tenn., U.S.A
or

Etheridge, D.M., et al., 2002, Ice Core, Firn Air and Archived Air
Atmospheric Methane Concentration Data, IGBP PAGES/World Data Center
for Paleoclimatology Data Contribution Series #2002-039. NOAA/NGDC
Paleoclimatology Program, Boulder CO, USA.
Ancillary Keywords
Data Set Progress
IN WORK
Originating Center
CDIAC
Data Center
Carbon Dioxide Information Analysis Center, Environmental Sciences Division, Oak Ridge National Laboratory, U. S. Department of Energy Supplemental Info
Data Center URL: http://cdiac.ornl.gov/

Data Center Personnel
Name: CARBON DIOXIDE INFORMATION ANALYSIS CENTER
Fax: (865) 574-2232
Contact Address:
Carbon Dioxide Information Analysis Center (CDIAC)
Oak Ridge National Laboratory
P.O.. Box 2008
City: OAK RIDGE
Province or State: TENNESSEE
Postal Code: 37831-6335
Country: USA
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Distribution
Distribution Media: online WWW, ftp
Distribution Format: ascii
Fees: None
Personnel
DAVID ETHERIDGE
Role: INVESTIGATOR
Phone: +61 3 9239 4590
Fax: +61 3 9239 4444
Email: david.etheridge at csiro.au
Contact Address:
CSIRO Marine and Atmospheric Research
Private Bag #1
City: ASPENDALE
Province or State: Victoria
Postal Code: 3195
Country: Australia
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Publications/References
Etheridge, D.M., L.P Steele, R.J. Francey, and
R.L. Langenfields. 1998. Atmospheric methane between 1000 A.D. and
present: Evidence of anthropogenic emissions and climatic
variability. Journal of Geophysical Research 103:15,979-15,993.
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Creation and Review Dates
DIF Creation Date: 2002-10-15
Last DIF Revision Date: 2005-06-14

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