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)
Atmosphere   3He 1.399e-06   1.3e-08         Isotopic compositions of Earth Atmosphere as given in relative abundances of noble-gas and major volatiles. Porcelli & Turekian 2014 Ozima & Podosek 2001
Porcelli et al. 2002
Atmosphere   3He 3200             Global inventory of 3He isotope in the Earth's atmosphere as measured in either grams, kilograms or tons.  The inventory of this stable nuclide is based on its atmospheric inventory, which includes an appreciable contribution from crustal degassing of 3He. Turekian & Graustein 2004 Lal & Peters 1967
Atmosphere   3He/4He 1.4             Helium, Neodymium and Argon Isotopic compositions in the Solar System as first given by McDougall and Honda 1998. Hilton & Porcelli 2004 McDougall & Honda 1998
Atmosphere   4He 1             Isotopic compositions of Earth Atmosphere as given in relative abundances of noble-gas and major volatiles. Porcelli & Turekian 2014 Ozima & Podosek 2001
Porcelli et al. 2002
Atmosphere 2 He 926000000000000             Global inventory for atmospheric volatiles as measured in moles. Based on dry tropospheric air. Porcelli & Turekian 2009 Ozima & Podosek 2001
Atmosphere 2 He 5.24           ppm Mole fraction of He: Helium gas in dry air. Major sources for these gases in the atmosphere range from biological sources to antropogenic. Prinn 2004 Brasseur et al. 1999
Prinn et al. 2000
CI Chondrites   4He/20Ne 780             Anders & Ebihara 1982 Cameron 1982
CI Chondrites   4He/20Ne 400             Anders & Ebihara 1982 Marti et al. 1972
CI Chondrites   4He/20Ne 720             Anders & Ebihara 1982 Cameron 1973
CI Chondrites   4He/20Ne 670             Anders & Ebihara 1982
CI Chondrites 2 He 56   0         Abundance of elements in the solar system based off of Palme & Beer 1993 study of CI meteorites. Elements imcompletely condensed in CI meteorites. Palme & Jones 2004 Palme & Beer 1993
CI Chondrites 2 He 56             Abundance of elements in the solar system from Anders & Grevesse 1989 study of CI meteorites. Palme & Jones 2004 Anders & Grevesse 1989
Depleted Mantle 2 He 157   72.22       ppt Estimate for the concentrations in the Depleted Mantle of most of the elements of the Periodic Table.  C/He is the element ratio used to make this estimate. Salters & Stracke 2004
Jupiter Atmosphere 2 He 0.8             Abundances of major element species in the atmosphere of Jupiter with the values expressed as relative to solar abundance. See Source citations for abundance values in absolute units. Lunine 2004 Atreya et al. 1999b
Gautier et al. 2001
Noll et al. 1989
Fink et al. 1978
Neptune Atmosphere 2 He 1.3             Abundances of major element species in the atmosphere of Neptune with the values expressed as relative to solar abundance. See Source citations for abundance values in absolute units. Lunine 2004 Gautier et al. 1995
Oceans Deep water 2 He 1.9             Deep ocean water is ~1,000 m depth. Where possible data is from the Pacific ocean that shows the greates variations; otherwhise data is from the Atlantic ocean. Depth = 927 m. Quinby-Hunt & Turekian 1983 Clarke et al. 1970
Oceans Surface water 2 He 1.7             Surface or near-surface concentratio. Where possible data is from the Pacific ocean that shows the greates variations; otherwhise data is from the Atlantic ocean. Depth = 2 m. Quinby-Hunt & Turekian 1983 Clarke et al. 1970
Orgueil Chondrite 2 He 56             Orgueil meteorite measurements. Abundance approximated from 4He not element. As He in bulk Orgueil is mainly derived from the solar wind, the values have been based on ratios for NaOH-etch Orgueil silicates: 20Ne/36Ar = 0.27 and 4He/20Ne = 277. Anders & Grevesse 1989
Orgueil Chondrite 2 He 56             Solar system abundances of major and minor elements as based on studies from the Orgueil Meteorite. Abundances in the Orgueil meteorite are adequately close to the C1 chondrite mean except for REE, in which case other studies will yield more preferable results Anders & Ebihara 1982
Planets   4He 1.56e-13             Abundance of volatiles in the atmospheres of terrestrial planets. In this case, the value is for the atmosphere of Earth and is measured as a ratio of moles to the mass of the planet itself (mol/g-planet) where the planet is given in grams in the actual table. These values were originally given by Ozima and Podosek 2001. Porcelli & Pepin Ozima & Podosek 2001
Planets   4He 2.9e-11             Abundance of volatiles in the atmospheres of terrestrial planets. In this case, the value is for the atmosphere of Venus and is measured as a ratio of moles to the mass of the planet itself (mol/g-planet) where the planet is given in grams in the actual table. These values were originally given by Ozima and Podosek 2001. Porcelli & Pepin Ozima & Podosek 2001
Saturn Atmosphere 2 He 0.8             Abundances of major element species in the atmosphere of Saturn with the values expressed as relative to solar abundance. See Source citations for abundance values in absolute units. Lunine 2004 Atreya et al. 1999b
Gautier et al. 2001
Noll et al. 1989
Fink et al. 1978
Seawater 2 He 0.0018             Broeker & Peng 1982
Seawater 2 He 1.9             This mean ocean concentratio has been calculated based on the correlation expressions in Table 1, assuming a salinity of 35¿, a nitrate concentratio of 30 ¿mol/kg, a phosphate concentratio of 2 ¿mol/kg and a silicate concentratio of 110 ¿mol/kg. Where possible data is from the Pacific ocean that shows the greates variations; otherwhise data is from the Atlantic ocean. Quinby-Hunt & Turekian 1983 Clarke et al. 1970
Solar Corona 2 He 10.14   0.06         SEP values corrected for the Q/M-depenent fractionation which depend on the assumed Fe/Si ratio. For the most part these values are quite accurate they generally agree with Solar Wind values and lie within the errors of the specroscopic data. Anders & Grevesse 1989 Breneman & Stone 1985
Solar Corona 2 He 10.88   0.48         Coronal spectroscopic results apply variously to the ordinary quiet coronas, active regions, coronal holes or prominences. Found that coronal abundances do not differ from photospheric abundances by more than their uncertainties. Very Uncertain Data. Anders & Grevesse 1989 Meyer 1985
Solar Corona 2 He 10.14   0.06         Based on the measurement of solar energetic particles and the solar wind. Adopted solar corona values corrected for residual charge/mass fractionation. Normalized to Log A(Si) = 7.55 based on the photospheric scale. Anders & Grevesse 1989
Solar Photosphere 2 He 10.99   0.02         Elemental solar photospheric abundances as given by various references. Abundances are not derived from the photosphere. Outer layers of sun are 10% lower in He. Palme & Jones 2004 Grevesse & Sauval 1998
Solar Photosphere 2 He 10.99   0.035         Abundances in Solar Photosphere; in original table: log N(H) = 12.00. Based on solar or astronomical data. Anders & Grevesse 1989
Solar System   3He/4He 457             Helium, Neodymium and Argon Isotopic compositions in the Solar System as first given by McDougall and Honda 1998. Hilton & Porcelli 2004 McDougall & Honda 1998
Solar System   4He/20Ne 780             Solar system Noble Gas ratios as measured by Cameron 1982. Anders & Grevesse 1989 Cameron 1982
Solar System   4He/20Ne 400             Solar system Noble Gas ratios as measured by Marti et al. 1972. Anders & Grevesse 1989 Marti et al. 1972
Solar System   4He/20Ne 670             Solar system Noble Gas ratios as measured by Anders & Ebihara 1982. These particular ratio values are high compared to the solar wind and SEP most likely due to different depletions of He and Ne in SEPs. Anders & Grevesse 1989 Anders & Ebihara 1982
Solar System   4He/20Ne 850             The 4He/20Ne ratio is high compared to solar wind and solar energetic particles due to differential depletions in these particles. Anders & Grevesse 1989
Solar System 2 He 1800000000             Anders & Ebihara 1982 Cameron 1982
Solar System 2 He 2720000000             Solar atomic abundances. Values are not normalised to 100% but they are relative to 10E6 Silica atoms. Anders & Grevesse 1989
Solar System 2 He 2180000000   261600000         Anders & Ebihara 1982
Solar System 2 He 2455             Solar system abundances of major rock forming elements relative to silicon and taken from Palme & Jones Chapter 1.03 of the Treatise of Geochemistry 2004. Clayton 2004 Palme & Jones 2004
Solar Wind   4He/20Ne 570   70         Noble gas ratios as measured in the solar wind by Bochsler 1987. Anders & Grevesse 1989 Bochsler 1987
Solar Wind   4He/20Ne 570   70         Anders & Ebihara 1982 Cerutti 1974
Geiss 1982
Solar Wind 2 He 10.13   0.1         Anders & Grevesse 1989 Bochsler 1987
Solid Earth   3He/4He 143             Helium, Neodymium and Argon Isotopic compositions in the Solar System as first given by McDougall and Honda 1998. Hilton & Porcelli 2004 McDougall & Honda 1998
Uranus Atmosphere 2 He 1             Abundances of major element species in the atmosphere of Uranus with the values expressed as relative to solar abundance. See Source citations for abundance values in absolute units. Lunine 2004 Gautier et al. 1995
Venus Atmosphere   3He/4He         0.0003     Isotopic composition of Venus' atmosphere as obtained by Pioneer Venus Mass Spectroscopy. Fegley, Jr. 2004 Lodders & Fegley 1998
Wieler 2002
Venus Atmosphere   4He       0.6 12     Abundance of various elements, isotopes and compounds to give a representative chemical composition model of the atmosphere found on Venus. Fegley, Jr. 2004 Lodders & Fegley 1998
Wieler 2002
Venus Atmosphere 2 He       30 70   ppm Abundance of various elements, isotopes and compounds to give a representative chemical composition model of the atmosphere found on Venus. Fegley, Jr. 2004 Lodders & Fegley 1998
Wieler 2002
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