N2O, CH4 and CO2 Data Covering the Holocene: Readme file
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              World Data Center for Paleoclimatology, Boulder
                                and 
                   NOAA Paleoclimatology Program
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NOTE: PLEASE CITE ORIGINAL REFERENCE WHEN USING THIS DATA!!!!!

NAME OF DATA SET: N2O, CH4 and CO2 Data Covering the Holocene
CONTRIBUTORS: Jacqueline Flückiger, Eric Monnin, Bernhard Stauffer, 
Climate and Environmental Physics, University of Bern, Switzerland

IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2002-018


SUGGESTED DATA CITATION: Flückiger, J. et al., 2002,
N2O, CH4 and CO2 Data Covering the Holocene,
IGBP Pages/World Data Center-A for Paleoclimatology
Data Contribution Series #2002-018
NOAA/NGDC Paleoclimatology Program, Boulder CO, USA.

ORIGINAL REFERENCE: Flückiger, J., E. Monnin, B. Stauffer, J. Schwander, 
T.F. Stocker, J. Chappellaz, D. Raynaud, and J.-M. Barnola, 2002, 
High resolution Holocene N2O ice core record and its relationship 
with CH4 and CO2, Glob. Biogeochem. Cycles, Volume 16, Number 1, 
March 2002, 10.1029/2001GB001417.

LAST UPDATE: 26.3.02

GEOGRAPHIC REGION: Global
PERIOD OF DOME C N2O, CH4 AND CO2 RECORDS: 0 - 11 kyr BP

LIST OF FILES: readme_flueckiger2002.txt (this file), dc_n2o_hol_fl02.txt, 
dc_ch4_hol_fl02.txt, dc_co2_hol_fl02.txt

DESCRIPTION:
dc_n2o_hol_fl02.txt: N2O record from the EPICA Dome C ice core (Antarctica) 
covering the Holocene
dc_ch4_hol_fl02.txt: CH4 record from the EPICA Dome C ice core (Antarctica) 
covering the Holocene
dc_co2_hol_fl02.txt: CO2 record from the EPICA Dome C ice core (Antarctica) 
covering the Holocene

File name: dc_n2o_hol_fl02.txt 
The file contains four columns:
Column 1: depth [m]
Column 2: age [yr BP]
Column 3: N2O concentration [ppbv]
Column 4: one standard deviation [ppbv]

File name: dc_ch4_hol_fl02.txt 
The file contains five columns:
Column 1: depth [m]
Column 2: age [yr BP]
Column 3: CH4 concentration [ppbv]
Column 4: one standard deviation [ppbv]

File name: dc_co2_hol_fl02.txt 
The file contains four columns:
Column 1: depth [m]
Column 2: age [yr BP]
Column 3: CO2 concentration [ppmv]
Column 4: one standard deviation [ppmv]

REMARKS: yr BP is years before 1950 AD.
For further information see original reference.

CONTACT: flueckiger@climate.unibe.ch
depth	age	CO2	uncertainty
			(1 sigma)
[m]	[yr BP]	[ppmv]	[ppmv]
110.5	435	281.9	1.1
121.5	806	280.1	0.6
132.5	1175	277.7	1.2
144.05	1574	280	0.8
154.5	1948	276.9	0.7
171	2550	278.9	0.6
181.445	2918	274.6	0.8
193	3337	275	0.6
204	3724	275.4	0.5
215	4117	272.8	0.8
221.05	4335	271.1	0.8
232.05	4737	270.7	0.5
242.5	5114	267.6	0.6
253.5	5521	265.9	0.9
264.5	5921	265.5	0.8
280.53	6514	262.1	0.9
292	6930	262.3	0.9
303	7328	260.1	0.6
314	7714	260.8	1.4
325	8118	261.3	0.9
330.5	8315	261.8	1
341.5	8697	259.3	1
349.75	8974	263.8	0.8
352.58	9067	265.2	0.9
360.2	9310	263	0.4
369.55	9604	264.4	0.4
375.05	9776	264	0.3
380	9931	265.7	0.5
385.13	10093	267.5	0.4
390.45	10263	266	1.1
396.5	10458	267.6	0.7
399.28	10550	264.8	0.6
402	10640	264.8	0.4
404.78	10732	265.3	0.4
407.5	10822	264.1	0.7
411.38	10952	264.5	0.4