Nitrous oxide (N2O) concentrations were obtained from the 473-m-long
ice core designated "BHD" from the summit of Law Dome, Antarctica, by
the 1977 Australian National Antarctic Research Expedition. The data
cover the period from 1520 to 1966.
Please use the following citation for this dataset:
Etheridge, D.M., G.I. Pearman, and F. de Silva. 1994. 'Historical N2O
record from the "BHD" ice core ... at Law Dome'. pp. 391-394. In T.A.
Boden, D.P. Kaiser, R.J. Sepanski, and F.W. Stoss (eds.), 'Trends
'93: A Compendium of Data on Global Change', ORNL/CDIAC-65. Carbon
Dioxide Information Analysis Center, Oak Ridge National Laboratory,
Oak Ridge, TN, USA.
Data from Law Dome are tabulated in the Carbon Dioxide Information
Analysis Center's (CDIAC's) 'Trends '93: A Compendium of Data on
Global Change' (Boden, et al, eds., 1994) as year and N2O
concentration (ppbv) and is available via ftp: