| Radium isotope measurements from CTD and underway water samples from the R/V Endeavor cruise EN614 from 2018-05-06 to 2018-05-29 | Radium-223 activity
| Ra223_Activity |
| Radium isotope measurements from CTD and underway water samples from the R/V Endeavor cruise EN614 from 2018-05-06 to 2018-05-29 | 1-σ analytical uncertainty for Ra223
| Ra223_Unc |
| Radium isotope measurements from CTD and underway water samples from the R/V Endeavor cruise EN614 from 2018-05-06 to 2018-05-29 | Radium-226 activity
| Ra226_Activity |
| Radium isotope measurements from CTD and underway water samples from the R/V Endeavor cruise EN614 from 2018-05-06 to 2018-05-29 | 1-σ analytical uncertainty for Ra226
| Ra226_Unc |
| Radium isotope measurements from CTD and underway water samples from the R/V Endeavor cruise EN614 from 2018-05-06 to 2018-05-29 | Excess radium-224 activity
| XS_Ra224_Activity |
| Radium isotope measurements from CTD and underway water samples from the R/V Endeavor cruise EN614 from 2018-05-06 to 2018-05-29 | 1-σ analytical uncertainty for Ra224
| XS_Ra224_Unc |
| Coccolithophore-associated organic biopolymers for fractionating particle-reactive radionuclides (234Th, 233Pa, 210Pb, 210Po, and 7Be) | percentage of 7Be activity (%)
| Be7_Activity |
| Coccolithophore-associated organic biopolymers for fractionating particle-reactive radionuclides (234Th, 233Pa, 210Pb, 210Po, and 7Be) | percentage of 233Pa activity (%)
| Pa233_Activity |
| Coccolithophore-associated organic biopolymers for fractionating particle-reactive radionuclides (234Th, 233Pa, 210Pb, 210Po, and 7Be) | percentage of 210Pb activity (%)
| Pb210_Activity |
| Coccolithophore-associated organic biopolymers for fractionating particle-reactive radionuclides (234Th, 233Pa, 210Pb, 210Po, and 7Be) | percentage of 210Po activity (%)
| Po210_Activity |
| Coccolithophore-associated organic biopolymers for fractionating particle-reactive radionuclides (234Th, 233Pa, 210Pb, 210Po, and 7Be) | percentage of 234Th activity (%)
| Th234_Activity |
| Measurements of global dissolved submarine groundwater discharge (SGD) 226-Radium and 228-Radium | sample activity ratio (228/226)
| ratio_228Ra_to_226Ra |
| Measurements of global dissolved submarine groundwater discharge (SGD) 226-Radium and 228-Radium | average site AR (228/226)
| ratio_avg228Ra_to_avg226Ra |
| Measurements of global dissolved submarine groundwater discharge (SGD) 226-Radium and 228-Radium | median site AR (228/226
| ratio_med228Ra_to_med226Ra |
| Radium and thorium isotopes measured in the Western Arctic as part of the 2015 US GEOTRACES Arctic Cruise on the USCGC Healy (HLY1502) from August to October 2015 | Excess dissolved radium-223 actvitiy
| Ra_223xs_D_CONC_PUMP |
| Radium and thorium isotopes measured in the Western Arctic as part of the 2015 US GEOTRACES Arctic Cruise on the USCGC Healy (HLY1502) from August to October 2015 | One standard deviation of Ra_223xs_D_CONC_PUMP
| Ra_223xs_D_CONC_PUMP_ERR |
| Radium and thorium isotopes measured in the Western Arctic as part of the 2015 US GEOTRACES Arctic Cruise on the USCGC Healy (HLY1502) from August to October 2015 | Dissolved radium-223 activity
| Ra_223_D_CONC_PUMP_8qp1jk |
| Radium and thorium isotopes measured in the Western Arctic as part of the 2015 US GEOTRACES Arctic Cruise on the USCGC Healy (HLY1502) from August to October 2015 | Excess dissolved radium-224 activity
| Ra_224xs_D_CONC_PUMP |
| Radium and thorium isotopes measured in the Western Arctic as part of the 2015 US GEOTRACES Arctic Cruise on the USCGC Healy (HLY1502) from August to October 2015 | One standard deviation of Ra_224xs_D_CONC_PUMP
| Ra_224xs_D_CONC_PUMP_ERR |
| Radium and thorium isotopes measured in the Western Arctic as part of the 2015 US GEOTRACES Arctic Cruise on the USCGC Healy (HLY1502) from August to October 2015 | Dissolved radium-224 activity
| Ra_224_D_CONC_PUMP_ryelyc |
| Radium and thorium isotopes measured in the Western Arctic as part of the 2015 US GEOTRACES Arctic Cruise on the USCGC Healy (HLY1502) from August to October 2015 | Dissolved radium-226 activity
| Ra_226_D_CONC_PUMP_tmldld |
| Radium and thorium isotopes measured in the Western Arctic as part of the 2015 US GEOTRACES Arctic Cruise on the USCGC Healy (HLY1502) from August to October 2015 | Dissolved radium-228 activity
| Ra_228_D_CONC_PUMP_5i7kz7 |
| Radium and thorium isotopes measured in the Western Arctic as part of the 2015 US GEOTRACES Arctic Cruise on the USCGC Healy (HLY1502) from August to October 2015 | One standard deviation of Ra_223_D_CONC_PUMP_8qp1jk
| SD1_Ra_223_D_CONC_PUMP_8qp1jk |
| Radium and thorium isotopes measured in the Western Arctic as part of the 2015 US GEOTRACES Arctic Cruise on the USCGC Healy (HLY1502) from August to October 2015 | One standard deviation of Ra_224_D_CONC_PUMP_ryelyc
| SD1_Ra_224_D_CONC_PUMP_ryelyc |
| Radium and thorium isotopes measured in the Western Arctic as part of the 2015 US GEOTRACES Arctic Cruise on the USCGC Healy (HLY1502) from August to October 2015 | One standard deviation of Ra_226_D_CONC_PUMP_tmldld
| SD1_Ra_226_D_CONC_PUMP_tmldld |
| Radium and thorium isotopes measured in the Western Arctic as part of the 2015 US GEOTRACES Arctic Cruise on the USCGC Healy (HLY1502) from August to October 2015 | One standard deviation of Ra_228_D_CONC_PUMP_5i7kz7
| SD1_Ra_228_D_CONC_PUMP_5i7kz7 |
| Radium and thorium isotopes measured in the Western Arctic as part of the 2015 US GEOTRACES Arctic Cruise on the USCGC Healy (HLY1502) from August to October 2015 | One standard deviation of Th_228_D_CONC_PUMP_fejwms
| SD1_Th_228_D_CONC_PUMP_fejwms |
| Radium and thorium isotopes measured in the Western Arctic as part of the 2015 US GEOTRACES Arctic Cruise on the USCGC Healy (HLY1502) from August to October 2015 | Dissolved thorium-228 activity
| Th_228_D_CONC_PUMP_fejwms |
| Radiocarbon DelC14 from the 2013 Eastern Pacific Zonal Transect cruise on R/V Thomas G. Thompson (TN303) (US GEOTRACES EPZT project) | Radiocarbon \ Delta^{14}C in per mil. d14C is the per mil deviation of 14C/12C ratio relative to a standard, normalized to a d13C of -25 per mil.
For more details on radiocarbon calculation, see: http://www.whoi.edu/nosams/radiocarbon-data-calculations
| C_14_DELTA |
| Radium isotopes collected on R/V Thomas G. Thompson cruise TN303 in the Eastern Tropical Pacific in 2013 (U.S. GEOTRACES EPZT project) | Concentration of 226-Radium (dissolved).
| Ra_226_D_CONC_PUMP |
| Radium isotopes collected on R/V Thomas G. Thompson cruise TN303 in the Eastern Tropical Pacific in 2013 (U.S. GEOTRACES EPZT project) | Concentration of 228-Radium (dissolved).
| Ra_228_D_CONC_PUMP |
| Tritium Concentrations from the 2013 Eastern Pacific Zonal Transect cruise on R/V Thomas G. Thompson (TN303) (US GEOTRACES EPZT project) | Tritium concentration in Tritium Units
| TRITIUM |
| ODF bottle data along with US GEOTRACES North Atlantic Transect from the R/V Knorr KN199-04 cruise in the subtropical N. Atlantic during 2010 (U.S. GEOTRACES NAT project) | Radium-226 disintegrations per minute per 100 liters.
| RA_226 |
| ODF bottle data along with US GEOTRACES North Atlantic Transect from the R/V Knorr KN199-04 cruise in the subtropical N. Atlantic during 2010 (U.S. GEOTRACES NAT project) | Thorium-230.
| TH_230 |
| ODF bottle data along with US GEOTRACES North Atlantic Transect from the R/V Knorr KN199-04 cruise in the subtropical N. Atlantic during 2010 (U.S. GEOTRACES NAT project) | Tritium.
| TRITUM |
| ODF bottle data along with US GEOTRACES North Atlantic Transect from the R/V Knorr KN199-04 cruise in the subtropical N. Atlantic during 2010 (U.S. GEOTRACES NAT project) | Uranium-238.
| U_238 |
| Radium and Thorium isotopes sampled by in situ pump on R/V Knorr cruises KN199-04 and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) | Radium-223 corrected for 227Ac .
| exRa223 |
| Radium and Thorium isotopes sampled by in situ pump on R/V Knorr cruises KN199-04 and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) | Radium-224 corrected for 228Th.
| exRa224 |
| Radium and Thorium isotopes sampled by in situ pump on R/V Knorr cruises KN199-04 and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) | Radium-223 disintegrations per minute per 100 liters.
| Ra223 |
| Radium and Thorium isotopes sampled by in situ pump on R/V Knorr cruises KN199-04 and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) | Radium-224 disintegrations per minute per 100 liters.
| Ra224 |
| Radium and Thorium isotopes sampled by in situ pump on R/V Knorr cruises KN199-04 and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) | Radium-226 disintegrations per minute per 100 liters.
| Ra226 |
| Radium and Thorium isotopes sampled by in situ pump on R/V Knorr cruises KN199-04 and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) | Radium-228 disintegrations per minute per 100 liters.
| Ra228 |
| Radium and Thorium isotopes sampled by in situ pump on R/V Knorr cruises KN199-04 and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) | Dissolved Thorium-228 disintegrations per minute per 100 liters.
| Th228_diss |
| Radium and Thorium isotopes sampled by in situ pump on R/V Knorr cruises KN199-04 and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) | Particulate Thorium-228 disintegrations per minute per 100 liters.
| Th228_part |
| Radium and Thorium isotopes sampled by in situ pump on R/V Knorr cruises KN199-04 and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) | Total Thorium-228 disintegrations per minute per 100 liters.
| Th228_tot |
| Water-column total Thorium-234 and Uranium-238 from R/V Knorr cruises KN199-04 and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) | Thorium-234 concentration.
| Th234_tot |
| Water-column total Thorium-234 and Uranium-238 from R/V Knorr cruises KN199-04 and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) | Total Uranium-238 concentration. Includes dissolved + particulate (though particulate fraction is very small).
| U238 |
| Tritium concentration from R/V Knorr cruises KN199-04 (GT10) and KN204-01 (GT11) in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) | Concentration of Tritium.
| Tritium |
| Dissolved radium isotope activity around Guaymas Basin from samples collected by CTD and HOV Alvin during R/V Atlantis cruise AT42-05 in November 2018 | Measured activity of Ra-223; "BD" = below detection
| Ra223_Activity |
| Dissolved radium isotope activity around Guaymas Basin from samples collected by CTD and HOV Alvin during R/V Atlantis cruise AT42-05 in November 2018 | 1-s analytical uncertainty in measured activity of Ra-223; "BD" = below detection
| Ra223_Unc |
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