Atmospheric concentrations of CH4 were extracted from the 2,184-m ice core from
Byrd Station (Antarctica) for the period 550 - 51,100 BP in 1967-68 by
the U.S. Cold regions Research and Engineering ...
Ice cores drilled at Siple Station (Antarctica) for 200-m depth were analyzed
for CH4 concentrations for the period 1771-1956. Two different methods were
used for extracting air in the ice core (dry ...
Nitrous oxide (N2O) records from the Byrd (Antarctica) 1968 ice core
spans the period 43,000 - 800 BP. The N2O record for the Dye 3 ice
core in Greenland covers the period from 1781 - 1947 (A.D.). ...