This data set compares global atmospheric concentration of methane from ice cores taken on the ice sheets of Antarctica and Greenland. The data come from multiple ice cores on each continent, including Greenland Ice Core Project (GRIP) and Greenland Ice Sheet Project (GISP) ice cores and the Byrd and Vostok cores from Antarctica.
Metadata update history
2004-08-27T14:00:00Z : Created : Made by transformation from DIF record
2023-05-23T14:00:00Z : Minor modification : Made by transformation from DIF record, type is hardcoded.