| Radiocarbon and 13C of sediment from cores collected pre- and post-hurricane Harvey at the Aransas and Anahuac National Wildlife Refuges, Texas on January 2018 | | Continuous flow accelerator mass spectrometer |
| Atlantic sediment radiocarbon from mult-corer samples collected in the Amazon Delta and Sierra Leone Rise during R/V Endeavor cruises EN-480 and EN-481 in 2010 | | continuous-flow AMS system |
| Radiocarbon (C14) calendar ages measured on pelagic foraminifera species collected from sediment cores from the Cocos Ridge (Eastern Equatorial Pacific) acquired during cruise SR2113 between November - December 2021. | Accelerator mass spectrometer was used to measure 14C/C
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| Dissolved inorganic carbon (DIC) and isotopes from vertical profiles from multi- and gravity cores from two cruises, R/V Robert Gordon Sproul SP1215 and R/V New Horizon NH1319, in the Santa Barbara and Santa Monica Basins in 2012 and 2013 | | |
| Dissolved organic carbon (DOC) and isotopes from vertical profiles from multi- and gravity cores from two cruises, R/V Robert Gordon Sproul SP1215 and R/V New Horizon NH1319 in the Santa Barbara and Santa Monica Basins in 2012 and 2013 | | |
| Location, weathering, bulk isotope, and 14C data for fossil seals from the western Ross Sea, Antarctica from from 2013-2014 | NOSAMS used their organic combustion method to graphitize the samples, which were then pressed into target cartridge and loaded into the Accelerator Mass Spectrometer (AMS) for analysis.
| Accelerator Mass Spectrometer (AMS) |
| Iodine 129 levels from R/V Ka`imikai-O-Kanaloa KOK1108 from June 2011 (Fukushima Radionuclide Levels project) | Accelerator mass spectrometric analyses were made at the Center for Accelerator Mass Spectrometry (CAMS), Lawrence Livermore National Laboratory.
| Accelerator mass spectrometric analyses |
| Concentrations and radiocarbon signatures of SPE-DOC extracted from seawater samples on GO-SHIP cruises P16N, P18, and IO7N in the North Pacific, Eastern Pacific, and Western Indian Oceans | SPE-DOC delta14C values measured using Accelerator Mass Spectrometry in the Keck Carbon Cycle Accelerator Mass Spectrometry Lab at the University of California, Irvine.
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| Radiocarbon DelC14 from the 2013 Eastern Pacific Zonal Transect cruise on R/V Thomas G. Thompson (TN303) (US GEOTRACES EPZT project) | The CO2 was processed by iron-catalyzed hydrogen reduction to filamentous graphite. The graphite was packed into ~1 mg aluminum targets and analyzed by Cs-sputter accelerator mass spectrometry. Either or both of the following AMS systems were used for measurement: (1) A custom-built compact 500 KV National Electrostatics Corporation (NEC), Middleton, WI model 15SDH-1 accelerator with a 134 position NEC MC-SNICS source. (2) A 2.5 MV US-AMS tandetron accelerator with a modified bouncer-injector and 40 position NEC MC-SNICS source.
| Cs-sputter accelerator mass spectrometry |
| Radiocarbon DIC, DIC concentration, pH, and [CH4] in Hudson Canyon, northern US Atlantic Margin collected from R/V Endeavor cruise EN541 in July 2014 | | W. M. Keck Carbon Cycle Accelerator Mass Spectrometry Laboratory |
| Radiocarbon dates on calcite and organic material (gorgonin) in bamboo coral skeletons Keratoisis (Bamboo Coral Boron Isotopes project) | All radiocarbon dates were obtained at the National Ocean Sciences Accelerator Mass Spectrometry facility (NOSAMS).
Full methodology, equations, and discussion of instrumental precision are available from the NOSAMS website: http://www.whoi.edu/nosams/
| AMS - National Ocean Sciences Accelerator Mass Spectrometry facility |
| Methane (CH4) isotopes from vertical profiles from multi- and gravity cores from cruises R/V Robert Gordon Sproul SP1215 and R/V New Horizon NH1319 in the Santa Barbara and Santa Monica Basins in 2012 and 2013 | | |
| Total organic carbon content, total nitrogen content, and carbon isotope (13C and 14C) composition of atmospheric particulates from aerosol samples collected on the R/V Dong Fang Hong-3 in the western North Pacific from October to December 2019 | The Δ14C values of POC were measured by accelerator mass spectrometry (AMS, NEC 0.5MV XCAMS).
| accelerator mass spectrometry |
| Other solutes from vertical profiles from multi- and gravity cores from two cruises, R/V Robert Gordon Sproul SP1215 and R/V New Horizon NH1319, in the Santa Barbara and Santa Monica Basins in 2012 and 2013 | | |
| CO2 experiment physiology and carbonate chemistry from laboratory experiments with Pseudo-nitzschia australis conducted from 2021 to 2022 | | SCIEX 4500 QTRAP mass spectrometer (AB Sciex, Framingham, MA, USA) |
| POC and isotopes from vertical profiles from multi- and gravity cores from two cruises from R/V Robert Gordon Sproul SP1215 and R/V New Horizon NH1319 in the Santa Barbara and Santa Monica Basins in 2012 and 2013 | | |
| Radiocarbon [14C] ages of sedimentary organic matter and sedimentation rates for Guaymas Basin and Sonora Margin sediments collected from R/V El Puma, leaving Guaymas on October 14, 2014 and returning to Mazatlan on October 27, 2014 | Radiocarbon dating was performed at Lawrence Livermore National Laboratory Center for Accelerator Mass Spectrometry, using the 1 MV AMS system based around a NEC 3SDH-1 accelerator.
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| Radiocarbon dating of archived sediment cores in the Southeast Pacific from 1960 to 2000 | The WHOI NOSAMS Accelerator Mass Spectrometer is as described in https://www2.whoi.edu/site/nosams/about/laboratory-capabilities/ams-instruments/
| WHOI NOSAMS Accelerator Mass Spectrometer |
| Carbon isotopes (13C and 14C) and concentrations of dissolved methane (CH4) in surface waters sampled in June 2019 at the Coal Oil Point seep field of the Santa Barbara Basin | 14C and 13C were measured by Accelerator Mass Spectrometer (AMS) and Isotope Ratio Mass Spectrometer (IRMS), respectively, at the Keck-Carbon Cycle AMS facility at UC Irvine.
| Accelerator Mass Spectrometer |
| Radiocarbon in methane from waters of the US Atlantic and Pacific margins as collected on R/V Hugh Sharp cruise HRS1713 and R/V Rachel Carson cruise RC0026 in 2017 and 2019 | 14C was measured by Accelerator Mass Spectrometer (AMS) at the Keck-Carbon Cycle AMS facility at UC Irvine
| UC-Irvine Keck-Carbon Cycle AMS |
| Radionuclides, moored sediment trap samples collected from the U.S. JGOFS EqPac Sediment Trap Array in the Equatorial Pacific in 1992 during the U.S. JGOFS Equatorial Pacific (EqPac) project | | Accelerator Mass Spectrometer |
| Ramped pyrolysis oxidation (RPO) carbon isotope data from DOC in water samples collected during R/V Western Flyer Benthic-Pelagic Coupling expedition to Station M in the eastern Pacific Ocean in April 2018 | All bulk and RPO-fraction isotope measurements were performed at NOSAMS. Radiocarbon measurements were completed via accelerator mass spectrometry (AMS) following standard graphitization methods
| National Ocean Sciences Accelerator Mass Spectrometer |
| Ramped pyrolysis oxidation (RPO) thermogram data of DOC from water samples collected during R/V Western Flyer Benthic-Pelagic Coupling expedition to Station M in the eastern Pacific Ocean in April 2018 | All bulk and RPO-fraction isotope measurements were performed at NOSAMS. Radiocarbon measurements were completed via accelerator mass spectrometry (AMS) following standard graphitization methods.
| National Ocean Sciences Accelerator Mass Spectrometer |
| Radionuclides from moored sediment trap samples from RVIB Nathaniel B. Palmer cruises and JGOFS AESOPS Sediment Traps in the Southern Ocean in 1997 (U.S. JGOFS AESOPS project) | | Accelerator Mass Spectrometer |
| 14C dates from core PC1 collected from T Lake, Palau in September 2013 | Accelerator mass spectrometry 14C dating was performed by DirectAMS in Bothell, WA, United States.
| Accelerator mass spectrometry |
| [DEPRECATED] Recovery parameters, isotopic composition, and elemental composition of HMW and LMW DOM collected in the North Pacific Subtropical Gyre on R/V Kilo Moana (KM1506, KM1515) during 2015 | Used to analyze 14C
| HVEC 10 MV Model FN Tandem Van de Graaff Accelerator |
©2020 Biological and Chemical Oceanography Data Management Office.