Gulf of Guinea Coral Isotope, Luminescence and Density Data
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               World Data Center for Paleoclimatology, Boulder
                                  and
                     NOAA Paleoclimatology Program
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NOTE: PLEASE CITE CONTRIBUTORS WHEN USING THIS DATA!!!!!


NAME OF DATA SET: Gulf of Guinea Coral Isotope, Luminescence and Density Data
LAST UPDATE: 2/2005 (Original receipt by WDC Paleo)


CONTRIBUTOR: Peter Swart, University of Miami
IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2005-017


SUGGESTED DATA CITATION: Swart, P.K., et al. 2005. 
Gulf of Guinea Coral Isotope, Luminescence and Density Data. 
IGBP PAGES/World Data Center for Paleoclimatology 
Data Contribution Series # 2005-017.
NOAA/NGDC Paleoclimatology Program, Boulder CO, USA.


ORIGINAL REFERENCES: 
Swart, P.K., K.S. White, D. Enfield, R.E. Dodge, and P. Milne. 1998. 
Stable oxygen isotopic composition of corals from the Gulf of Guinea as 
indicators of periods of extreme precipitation conditions in the sub-Sahara. 
J. Geophys. Res. Vol. 103 , No. C12 , p. 27,885 (98JC02404).

White, K.S. 1995. Proxy indicators of climate in coral skeletons used to 
identify correlations between climate variations in the Gulf of Guinea 
and Subsaharan drought.
Marine Geology and Geophysics. University of Miami, RSMAS, Miami, FL (77)


GEOGRAPHIC REGION: Gulf of Guinea, Eastern Atlantic
PERIOD OF RECORD:  1975 - 1993 A.D.


DESCRIPTION: 
Corals from the Gulf of Guinea - Sao Tome and Principe
Collected in 1993 by the University of Miami, RSMAS.
Analyzed at the University of Miami, RSMAS, Stable Isotope Lab
Sampled sub-annually; reported as annual averages


Site: Sao Tome  0 28'N,  6 35'E, 4m. water depth.
Coral ST-1 collected August 1993.
Siderastrea spp. 


DATA:
1. Stable Isotopes

Year       d18O     d13C
1977      -3.60     -1.05
1978      -3.48     -1.17
1979      -3.59     -1.07
1980      -3.69     -1.03
1981      -3.50     -0.87
1982      -3.52     -1.15
1983      -3.66     -1.23
1984      -3.85     -0.89
1985      -3.81     -1.10
1986      -3.51     -1.01
1987      -3.48     -1.12
1988      -3.27     -0.99
1989      -3.80     -1.39
1990      -3.68     -1.34
1991      -3.28     -1.31
1992      -3.63     -1.04
1993      -3.51     -1.30


2. Luminescence (relative units)

Year    Luminescence
1975          -13.274
1976            1.392
1977            4.481
1978            5.966
1979            7.250
1980           15.983
1981            5.236
1982           10.030
1983           13.752
1984            9.509
1985            5.770
1986            6.514
1987           -1.673
1988            0.708
1989            2.578
1990            0.703
1991            6.420
1992            9.449


3. Skeletal Density

Year     Skeletal Density (g/cm3)
1976       1.664
1977       1.646
1978       1.645
1979       1.686
1980       1.590
1981       1.712
1982       1.675
1983       1.560
1984       1.472
1985       1.483
1986       1.744
1987       1.712
1988       1.672
1989       1.628
1990       1.727
1991       1.716
1992       1.687