GERM Reservoir Database
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GERM Database Search Results        
Reservoir Z Element Value Median SD Low High N Unit Info Reference Source(s)
Amazon River 88 Ra       200 730     Radium 226 activity of the Amazon river in dpm per liter. 226Ra concentrations of all rivers were determined according to the 222Rn emanation method from Broecker 1964 and Key 1983. Moore & Scott 1986 Moore & Edmond 1984
Key et al. 1985
Fresh Mid-Ocean Ridge Basalts   226Ra/230Th 1             Isotopic analyses from axial MORB samples from the Mid-Atlantic Ridge (specifically the FAZAR area) located at  37-41¿N at a depth of 950-3,000m.  These analyses are taken from Bourdon et al. 1996a,b, 2000. Elliott & Spiegelman 2004 Bourdon et al. 1996a
Bourdon et al. 1996b
Bourdon et al. 2000
Fresh Mid-Ocean Ridge Basalts   226Ra/230Th 7             Isotopic analyses from axial MORB samples from the Mid-Atlantic Ridge (specifically the Reykjanes Ridge) located at  57-63¿N at a depth of 600-1,825m.  These analyses are taken from Peate et al. 2001. Elliott & Spiegelman 2004 Peate et al. 2001
Fresh Mid-Ocean Ridge Basalts   226Ra/230Th 6             Isotopic analyses from axial MORB samples from the East Pacific Rise located 26-28¿S and 35¿S at a depth of 2,450m.  These analyses are taken from Rubin and McDougall 1988 & 1990. Elliott & Spiegelman 2004 Rubin & Macdougall 1988
Rubin & Macdougall 1990
Fresh Mid-Ocean Ridge Basalts   226Ra/230Th 5             Isotopic analyses from axial MORB samples from Juan de Fuca ridge located 44-48¿ N at a depth of 2,200 m.  These analyses are taken from various sources. Elliott & Spiegelman 2004 Goldstein et al. 1991
Goldstein et al. 1993
Volpe & Goldstein 1993
Lundstrom et al. 1995
Fresh Mid-Ocean Ridge Basalts   226Ra/230Th 23             Isotopic analyses from axial MORB samples from the East Pacific Rise as well as the Siqueiros transform located 8-10¿N at a depth of 2,600m.  These analyses are taken from various sources. Elliott & Spiegelman 2004 Volpe & Goldstein 1993
Lundstrom et al. 1999
Sims et al. 2002
Fresh Mid-Ocean Ridge Basalts   226Ra/230Th 10             Isotopic analyses from axial MORB samples from the East Pacific Rise located 11-13¿N at a depth of 2,600m.  These analyses are taken from various sources. Elliott & Spiegelman 2004 Rubin & Macdougall 1988
Reinitz & Turekian 1989
BenOthman & Allegre 1990
Goldstein et al. 1991
Goldstein et al. 1993
Fresh Mid-Ocean Ridge Basalts   226Ra/230Th 1             Isotopic analyses from axial MORB samples from the East Pacific Rise located 20-21¿N at a depth of 2,600m.  These analyses are taken from various sources. Elliott & Spiegelman 2004 Newman et al. 1983
Rubin & Macdougall 1988
Rubin & Macdougall 1990
Fresh Mid-Ocean Ridge Basalts   226Ra/230Th 4             Isotopic analyses from axial MORB samples from Gorda Ridge located 41-42¿N at a depth of 3,000m.  These analyses are taken from various sources. Elliott & Spiegelman 2004 Goldstein et al. 1991
Goldstein et al. 1993
Volpe & Goldstein 1993
Cooper et al. 2003
Fresh Mid-Ocean Ridge Basalts   226Ra/230Th 6             Isotopic analyses from axial MORB samples from the Mid-Atlantic Ridge located at 33¿S at a depth of 3,500 and 2,700m.  These analyses are taken from Lundstrom et al. 1998a. Elliott & Spiegelman 2004 Lundstrom et al. 1998a
Fresh Mid-Ocean Ridge Basalts   226Ra/230Th 10             Isotopic analyses from axial MORB samples from the East Pacific Rise located 13-23¿S at a depth of 2,600-2,900m.  These analyses are taken from Rubin and McDougall 1988 & 1990. Elliott & Spiegelman 2004 Rubin & Macdougall 1988
Rubin & Macdougall 1990
Ganges River 88 Ra 2000             Radium 226 activity of the Ganges river in dpm per liter. 226Ra concentrations of all rivers were determined according to the 222Rn emanation method from Broecker 1964 and Key 1983. Moore & Scott 1986 Bhat & Krishnasawami 1969
Hudson River 88 Ra       100 700     Radium 226 activity of the Hudson river in dpm per liter. 226Ra concentrations of all rivers were determined according to the 222Rn emanation method from Broecker 1964 and Key 1983. Moore & Scott 1986 Rona & Urry 1952
Li 1977
Marine Organisms 88 Ra 1e-07           ppm Concentration values of various elements found in marine organisms. Element concentrations are mainly from brown algae data from Bowen 1979, which are also indicative of phytoplankton and zooplankton. Li 1991 Bowen 1979
Marine Pelagic Clay 88 Ra 2.8e-05           ppm Average concentrations for various elements enriched in Oceanic Pelagic Clays.  Compared to the element values of Shales, the Pelagic Clays are relatively similar with few exceptions.   All sea salt components are subtracted from the sample analysis assuming all chloride is of seawater origin. Li 1991 Turekian & Wedepohl 1961
Mississippi River 88 Ra 700             Radium 226 activity of the Mississippi river in dpm per liter. 226Ra concentrations of all rivers were determined according to the 222Rn emanation method from Broecker 1964 and Key 1983. Moore & Scott 1986 Moore 1967
Pee Dee River 88 Ra       300 600     Radium 226 activity of the Pee Dee river in dpm per liter. 226Ra concentrations of all rivers were determined according to the 222Rn emanation method from Broecker 1964 and Key 1983. Moore & Scott 1986 Elsinger & Moore 1980
Seawater 88 Ra 0.00013             Elemental average concentrations of the deep Atlantic and deep Pacific waters summarized by Whitfield & Turner 1987.  Li 1991 Whitfield & Turner 1987
St. Lawrence River 88 Ra 500             Radium 226 activity of the St. Lawrence river in dpm per liter. 226Ra concentrations of all rivers were determined according to the 222Rn emanation method from Broecker 1964 and Key 1983. Moore & Scott 1986 Rona & Urry 1952
Susquehanna River 88 Ra       100 510     Radium 226 activity of the Susquehanna river in dpm per liter. 226Ra concentrations of all rivers were determined according to the 222Rn emanation method from Broecker 1964 and Key 1983. Moore & Scott 1986 Moore 1981
Waccamaw River 88 Ra 600             Radium 226 activity of the Waccamaw river in dpm per liter. 226Ra concentrations of all rivers were determined according to the 222Rn emanation method from Broecker 1964 and Key 1983. Moore & Scott 1986 Elsinger & Moore 1980
Yangtze River 88 Ra 1100             Radium 226 activity of the Yangtze river in dpm per liter. 226Ra concentrations of all rivers were determined according to the 222Rn emanation method from Broecker 1964 and Key 1983. Moore & Scott 1986 Moore & Edmond 1984
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