| Bulk sediment physical and geochemical properties for cores collected post-hurricane Harvey at the Aransas and Anahuac National Wildlife Refuges, Texas on January 2018 | Used to measure 210Pb, 137Cs, and 226Ra (as 214Pb and 214Bi) .
| Canberra germanium detectors |
| All 234Th measurements made during this study, collected on R/V Yellowfin cruises to the San Pedro Ocean Time-series (SPOT) in 2013 and 2014 | | Ortec low background gamma detector |
| All 234Th data pertaining to the upwelling velocity calculations from R/V Yellowfin cruises to the San Pedro Ocean Time-series (SPOT) in 2013 and 2014 | | Ortec low background gamma detector |
| All 7Be data pertaining to upwelling velocity calculations from R/V Yellowfin cruises to the San Pedro Ocean Time-series (SPOT) in 2013 and 2014 | | Ortec low background gamma detector |
| Water column Beryllium-7 from samples collected on the MOSAiC expedition, PS122, on R/V Polarstern in the Central Arctic Ocean during 2019-2020 | ⁷Be was analyzed with high purity germanium (HPGe) gamma detectors.
| high purity germanium (HPGe) gamma detector |
| Coccolithophore-associated organic biopolymers for fractionating particle-reactive radionuclides (234Th, 233Pa, 210Pb, 210Po, and 7Be) | Canberra ultrahigh purity germanium well gamma detector Model GCW3024
| Canberra ultrahigh purity germanium well gamma detector |
| Mud Patch sediment age dating with Lead-210 and Cesium-137 from R/V Endeavor EN524 in the continental shelf off New England; 40.43 N 70.5 W from May 2013 (OA, Hypoxia and Warming project) | Samples were analyzed on a Canberra model GL2020RS low energy Germanium (LeGe) planar detector coupled with low background cryostats in low background shields, in Jeff Donnelly’s lab at WHOI using standard procedures
| Canberra model GL2020RS low energy Germanium (LeGe) planar detector |
| Partitioning of iron and plutonium in exopolymeric substances and intracellular biopolymers: a comparison study between the coccolithophore Emiliania huxleyi and the diatom Skeletonema costatum | Canberra ultrahigh purity germanium well gamma detector Model GCW3024
| Canberra ultrahigh purity germanium well gamma detector Model GCW3024 |
| Measurements of global dissolved submarine groundwater discharge (SGD) 226-Radium and 228-Radium | Gamma detectors made by Canberra or Ortec.
| well-type gamma spectrometer |
| Aerosol and seawater beryllium-7 concentrations from Leg 1 (Seattle, WA to Hilo, HI) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1814) on R/V Roger Revelle from September to October 2018 | For 7Be, three of the 47mm aerosol samples were stacked in a plastic Petri dish and counted by gamma spectroscopy
| gamma spectroscopy |
| Aerosol and seawater beryllium-7 concentrations from Leg 2 (Hilo, HI to Papeete, French Polynesia) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1815) on R/V Roger Revelle from October to November 2018 | | germanium gamma detector |
| Partition coefficient of 234Th, 233Pa, 210Pb, 210Po, and 7Be | Activity concentrations of 234Th, 233Pa, 210Pb, 210Po, and 7Be were measured by gamma counting the 63.5, 312, 46.5, and 477.6 keV lines, respectively, on a Canberra ultra-highpurity
germanium well-type detector.
| Canberra ultra-highpurity germanium well-type detector |
| Radiochemistry data for fluids sampled from the Lost City Hydrothermal Field at the Atlantis Massif in 2018 | | Gamma Spectrometer, ORTEC |
| Radiochemistry data for rocks and deposits from the Lost City Hydrothermal Field at the Atlantis Massif from 2018-2020 | | Gamma Spectrometer, ORTEC |
| Desorbed Radium from Kolyma (Russia), Ellice (Canada), and Kodiak Island (USA) Rivers | Gamma detectors made by Canberra or Ortec.
| well-type gamma spectrometer |
| Dissolved Radium from Kolyma (Russia), Ellice (Canada), and Kodiak Island (USA) Rivers | Gamma detectors made by Canberra or Ortec.
| well-type gamma spectrometer |
| Arctic aerosol Be7 concentrations from the MOSAIC expedition on the R/V Polarstern in the Central Arctic Ocean from December 2019 to June 2020 | | High purity germanium (HPGe) gamma detector |
| Ice core Be7 concentrations from the MOSAIC expedition on the R/V Polarstern in the Central Arctic Ocean from October 2019 to May 2020 | | high purity germanium (HPGe) gamma detectors |
| Snow and frost flower Be7 concentrations from the MOSAIC expedition on the R/V Polarstern in the Central Arctic Ocean from October 2019 to May 2020 | | high purity germanium (HPGe) gamma detectors |
| Percent activity of organic fractions from diatoms that bind with radionuclide | Activity concentrations of 234Th, 233Pa, 210Pb, and 7Be were measured by counting the gamma decay energies at 63.5 keV, 312 keV, 46.5 keV, and 477.6 keV, respectively, on a Canberra ultrahigh purity germanium well detector.
| Canberra ultrahigh purity germanium well detector |
| Percent amount of organic fractions from diatoms that bind with radionuclides | Activity concentrations of 234Th, 233Pa, 210Pb, and 7Be were measured by counting the gamma decay energies at 63.5 keV, 312 keV, 46.5 keV, and 477.6 keV, respectively, on a Canberra ultrahigh purity germanium well detector.
| Canberra ultrahigh purity germanium well detector |
| Experimental observations of radionuclide uptake by colloidal and particulate humic acids obtained from 14 soils collected worldwide | Canberra ultrahigh purity germanium well gamma detector Model GCW3024
| Canberra ultrahigh purity germanium well gamma detector |
| Radium isotope measurements from bottom waters in the South Atlantic Bight from 2015-2020 (SAB BMA project) | After the short-lived measurements were complete, Ra and Mn were stripped from the Mn-fiber and radium was coprecipitated with BaSO4 and transferred to a small tube. 226Ra and 228Ra were measured by gamma spectrometry after 222Rn had equilibrated with 226Ra [Moore et al., 1985].
| Gamma Spectrometer, ORTEC |
| Radium isotope results from groundwater wells around Little Lagoon, Alabama from 2010-2012 (LittleLagoonGroundwater project) | with relative efficiency of 20% (Dulaiova and Burnet, 2004) - see methodology paper by Su et al.
Ra determined via Lucas cell counting and assessed by gamma spectrometry (R=0.97, n=112).
| Ortec IG detector |
| Radium isotope results from surface waters of several sites around Little Lagoon, Alabama from 2010-2012 (LittleLagoonGroundwater project) | with relative efficiency of 20% (Dulaiova and Burnet, 2004) - see methodology paper by Su et al.
Ra determined via Lucas cell counting and assessed by gamma spectrometry (R=0.97, n=112).
| Ortec IG detector |
| Po, Pb and Be partition coefficients on nanoparticles from laboratory experiments | Canberra ultra-high purity germanium well detector.
| Gamma-spectrometry |
| Salinity, radium/thorium radionuclide, and nitrogen oxide concentration measurements from surface and porewater samples collected in coastal South Carolina from 2017 to 2019 | Well Germanium Crystal Gamma Ray Detector (WeGe), Manufactured by Canberra, used to measure 226Ra and 228Ra.
| Well Germanium Crystal Gamma Ray Detector (WeGe) |
| Experiments evaluating protein size distribution pattern in EPS Si+ and EPS Si2 using sodium dodecyl sulfate–polyacrylamide gel electrophoresis | Activity concentrations of 234Th, 233Pa, 210Pb, 210Po, and 7Be were measured by gamma counting the 63.5, 312, 46.5, and 477.6 keV lines, respectively, on a Canberra ultra-highpurity
germanium well-type detector.
| Canberra ultra-highpurity germanium well-type detector |
| Grain size and radiometric data from multi-core sediments collected Fall 2017 from the R/V Acadiana in the northwestern Gulf of Mexico to assess Hurricane Harvey impacts | The CANBERRA High-Purity Germanium Well Detector provides maximum efficiency for small samples and allows spectroscopy from 20keV up to 10MeV. (More details in manual, http://www.gammadata.se/assets/Uploads/Germanium-Well-SS-C49321.pdf)
| Canberra Germanium Well Detectors GCW3523 and GCW4023 |
| Table 1: Pb-210, Bi-210, and Po-210 activity measurements in rain, lake water, and dreissenid (Quagga) mussels collected in the Milwaukee Inner Harbor on Lake Michigan, Nov. 2018 | | low background gas-flow proportional detector with anticoincidence circuitry (G542 System, Gamma Products) |
| Table 3: 210Pb, 210Bi, and 210Po activities in quagga mussels (Dreissena rostriformis bugensis) from Lake Michigan in 2018, from Waples (2020) Limnol. Oceanogr. Methods. | | low background gas-flow proportional detector with anticoincidence circuitry (G542 System, Gamma Products) |
©2020 Biological and Chemical Oceanography Data Management Office.