Historic CH4 Records from Antarctic and Greenland Ice Cores, Antarctic Firn Data, and Archived Air Samples from Cape Grim, Tasmania

• Main Authors: D. M. Etheridge, L. P. Steele, R. J. Francey, R. J. Langenfelds
• Format: Dataset
• Language: unknown
• Published: ESS-DIVE: Deep Insight for Earth Science Data 2002
• Subjects: CH4 measurements; CH4 mixing ratio; atmospheric CH4 reconstructions; TRENDS-OTHER ATMOSPHERIC TRACE GASES; mean air age; mean ice depth; ice age year A.D.; ice sample code; year A.D.; 75 year smoothing spline; Antarctic; The Antarctic; East Antarctica; Greenland; Law Dome; Grim; Antarc*; Antarctica; Greenland ice cores; ice core; Ice Sheet
• Online Access: https://search.dataone.org/view/ess-dive-47b6690fb47c0e7-20180621T214550113

The Antarctic CH4 records presented here are derived from three ice cores obtained at Law Dome, East Antarctica (66°44'S, 112°50'E, 1390 meters above mean sea level). Law Dome has many qualities of an ideal ice core site for the reconstruction of past concentrations of atmospheric gases; t...