N2O Data Covering Abrupt Climatic Changes: Readme file
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			World Data Center A - Paleoclimatology
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NOTE: PLEASE CITE ORIGINAL REFERENCE WHEN USING THIS DATA!!!!!


NAME OF DATA SET: N2O Data Covering Abrupt Climatic Changes
CONTRIBUTORS: Jacqueline Flückiger, André Dällenbach, Bernhard Stauffer, 
Climate and Environmental Physics, University of Bern, Switzerland

IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 1999-057
SUGGESTED DATA CITATION: Flückiger, J., A. Dällenbach, B. Stauffer, 1999, 
N2O Data Covering Abrupt Climatic Changes.
IGBP Pages/World Data Center-A for Paleoclimatology
Data Contribution Series #1999-057
NOAA/NGDC Paleoclimatology Program, Boulder CO, USA.

ORIGINAL REFERENCE:
Flückiger, J., A. Dällenbach, T. Blunier, B. Stauffer, T. F. Stocker, 
D. Raynaud and J.-M. Barnola, 1999, Variations in atmospheric N2O 
concentration during abrupt climatic changes, Science 285, 227-230.

LAST UPDATE: 11/1999 (Original receipt by WDC-A Paleo)
GEOGRAPHIC REGION: Global
PERIOD OF GRIP TRANSITION RECORD: 10.9 - 16.4 kyr BP
PERIOD OF GRIP DANSGAARD-OESCHGER EVENT 8 RECORD: 32.9 - 36.8 kyr BP
PERIOD OF BYRD RECORD: 33.4 - 36.3 kyr BP

LIST OF FILES: readme.n2o_fl99.txt (this file), grip_n2o_tr_fl99.txt, 
grip_n2o_do8_fl99.txt, byrd_n2o_do8_fl99.txt

DESCRIPTION:
grip_n2o_tr_fl99.txt: N2O record from the GRIP ice core (Greenland) 
covering the last glacial-interglacial transition
grip_n2o_do8_fl99.txt: N2O record from the GRIP ice core (Greenland) 
covering Dansgaard-Oeschger event 8
byrd_n2o_do8_fl99.txt: N2O record from the Byrd ice core (Antarctica) 
covering Dansgaard-Oeschger event 8

File name: grip_n2o_tr_fl99.txt
The file contains five columns:
Column 1: depth [m]
Column 2: age [yr BP]
Column 3: N2O concentration [ppbv]
Column 4: N2O artefacts [ppbv] (for further information see original reference)
Column 5: one standard deviation [ppbv]

File name: grip_n2o_do8_fl99.txt
The file contains five columns:
Column 1: depth [m]
Column 2: age [yr BP]
Column 3: N2O concentration [ppbv]
Column 4: N2O artefacts [ppbv] (for further information see original reference)
Column 5: one standard deviation [ppbv]

File name: byrd_n2o_do8_fl99.txt
The file contains four columns:
Column 1: depth [m]
Column 2: age [yr BP]
Column 3: N2O concentration [ppbv]
Column 5: one standard deviation [ppbv]