Nitrogen and Carbon Isotope Data from the Central Arctic Ocean: Readme file
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                   NOAA Paleoclimatology Program
                               and
            World Data Center for Paleoclimatology, Boulder
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NOTE: PLEASE CITE ORIGINAL REFERENCE WHEN USING THIS DATA!!!!!

NAME OF DATA SET: Nitrogen and Carbon Isotope Data from the Central Arctic Ocean
LAST UPDATE: 04/2001 (Original Receipt by WDCA Paleo)  

CONTRIBUTORS: 
Carsten J. Schubert, Max Planck Institute, Bremen, Germany 
Ruediger Stein, Alfred Wegener Institute, Bremerhaven, Germany 
Stephen E. Calvert, University of British Columbia, Vancouver, Canada

IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2001-037

SUGGESTED DATA CITATION: Schubert, C.J., et al., 2001, 
Nitrogen and Carbon Isotope Data from the Central Arctic Ocean, 
IGBP PAGES/World Data Center for Paleoclimatology, Boulder
Data Contribution Series #2001-037. 
NOAA/NGDC Paleoclimatology Program, Boulder CO, USA. 

ORIGINAL REFERENCE: Schubert, C.J., Stein, R., and Calvert, S.E., 2001, 
Tracking nutrient and productivity variations over the last deglaciation in 
the Arctic Ocean, Paleoceanography, Vol. 16, No.2, 199-211.

GEOGRAPHIC REGION: Central Arctic Ocean
PERIOD OF RECORD: 20 KYrBP-present

FUNDING SOURCES: Max Planck Society, German Academic Exchange Service (DAAD, 
scholarship to C.J.S.), German Ministry of Education and Research (BMBF, 
grants to R.S., and Polarstern cruise funding), Natural Sciences and 
Engineering Research Council of Canada (NSERC, grants to S.E.C.)


LIST OF FILES: Readme_Schubert2001.txt (this file), 
arctic_core.xls (Microsoft Excel format, 4 cores), arctic_core.txt, 
ps2163.txt, ps2170.txt, ps2178.txt, ps2185.txt (tab-delimited ASCII text).


DESCRIPTION:
Nitrogen and Carbon Isotope Data from the Central Arctic Ocean

Core Locations: 
Core PS2163-1, 86°14.5'N, 59°12.9'E, 3040m 
Core PS2170-4, 87°35.8'N, 60°53.7'E, 4083m 
Core PS2178-4, 88°01.3'N, 159°35.1'E, 4008m 
Core PS2185-4, 87°30.0'N, 144°28.9'E, 1051m

Total organic carbon (TOC) and carbonate values, and nitrogen and carbon 
isotope values of four multicorers from the central Arctic Ocean

Data files contain Core name, Depth (cm), TOC (%,), Carbonate (%), 
13 C isotopes (per mil), 15 N isotopes (per mil)

Precision: TOC and Carbonate values (± 1.2%, 1 standard deviation), 
Carbon and nitrogen isotope values (±0.3 per mil, 1 standard deviation)