David P. Nicholson

Affiliation: Woods Hole Oceanographic Institution (WHOI)

Address: []

Orcid: 0000-0003-2653-9349

Project: Carbon Dioxide Dynamics in Mode Water of the North Atlantic Ocean (1 datasets)

Dataset	Latest Version Date	Current State
A compilation of dissolved noble gas and N2/Ar ratio measurements collected from 1999-2016 in locations spanning the globe Role: Co-Principal Investigator	2022-01-17	Final no updates expected

Project: Measurement of Helium Isotopes, Tritium, Noble Gases, and Radiocarbon (1 datasets)

Dataset	Latest Version Date	Current State
A compilation of dissolved noble gas and N2/Ar ratio measurements collected from 1999-2016 in locations spanning the globe Role: Co-Principal Investigator	2022-01-17	Final no updates expected

Project: An Inverse and Forward Global Modeling Synthesis of Noble Gases to Better Quantify Biogeochemical Cycles (1 datasets)

Dataset	Latest Version Date	Current State
Noble gas global observations used in the ECCO noble gas model and simulations decomposed to isolate bubble-mediated gas exchange (Noble gas modeling project) Role: Principal Investigator	2017-01-23	Final no updates expected

Project: The Marine Dissolved N2/Ar Ratio, A Tracer for Deep Ocean Denitrification? (1 datasets)

Dataset	Latest Version Date	Current State
A compilation of dissolved noble gas and N2/Ar ratio measurements collected from 1999-2016 in locations spanning the globe Role: Co-Principal Investigator	2022-01-17	Final no updates expected

Project: Characterizing the Formation, Nature, and Export of Weddell Sea Bottom Water using Noble Gases and Transient Tracers (1 datasets)

Dataset	Latest Version Date	Current State
A compilation of dissolved noble gas and N2/Ar ratio measurements collected from 1999-2016 in locations spanning the globe Role: Co-Principal Investigator	2022-01-17	Final no updates expected

Project: Measuring Diapycnal Mixing in the Upper Ocean therMocline using Noble Gas Supersaturation (1 datasets)

Dataset	Latest Version Date	Current State
A compilation of dissolved noble gas and N2/Ar ratio measurements collected from 1999-2016 in locations spanning the globe Role: Co-Principal Investigator	2022-01-17	Final no updates expected

Project: GEOTRACES Atlantic Section: Measurement of Helium Isotopes and Tritium (1 datasets)

Dataset	Latest Version Date	Current State
A compilation of dissolved noble gas and N2/Ar ratio measurements collected from 1999-2016 in locations spanning the globe Role: Co-Principal Investigator	2022-01-17	Final no updates expected

Project: Tracers of Biological Productivity and Gas Exchange (1 datasets)

Dataset	Latest Version Date	Current State
A compilation of dissolved noble gas and N2/Ar ratio measurements collected from 1999-2016 in locations spanning the globe Role: Co-Principal Investigator	2022-01-17	Final no updates expected

Project: Is There an Ocean Primary Production Paradox(OP3)? (1 datasets)

Dataset	Latest Version Date	Current State
A compilation of dissolved noble gas and N2/Ar ratio measurements collected from 1999-2016 in locations spanning the globe Role: Co-Principal Investigator	2022-01-17	Final no updates expected

Project: The Biological Carbon Pump in the Subtropical North Pacific Ocean: Mechanisms of Nutrient Supply (1 datasets)

Dataset	Latest Version Date	Current State
A compilation of dissolved noble gas and N2/Ar ratio measurements collected from 1999-2016 in locations spanning the globe Role: Co-Principal Investigator	2022-01-17	Final no updates expected

Project: Net Biological Oxygen Production at the Japanese JGOFS Time-Series Station (1 datasets)

Dataset	Latest Version Date	Current State
A compilation of dissolved noble gas and N2/Ar ratio measurements collected from 1999-2016 in locations spanning the globe Role: Co-Principal Investigator	2022-01-17	Final no updates expected

Project: Gas Tracers of Net Biological Oxygen Production in the Subtropical Pacific Ocean (1 datasets)

Dataset	Latest Version Date	Current State
A compilation of dissolved noble gas and N2/Ar ratio measurements collected from 1999-2016 in locations spanning the globe Role: Co-Principal Investigator	2022-01-17	Final no updates expected

Project: Collaborative Research: Probing the Ventilation Efficiency of the Deep Ocean with Conservative Dissolved Gas Tracers in Archived Samples (3 datasets)

Dataset	Latest Version Date	Current State
Model simulations of elemental and isotopic heavy noble gas ratios using the Transport Matrix Method (TMM) Role: Co-Principal Investigator	2023-02-21	Final no updates expected
Elemental and isotopic noble gas ratios from the Bermuda Atlantic Time-series (BATS) on cruise 10391 on R/V Atlantic Explorer (AE2208) from 30 April 2022 to 05 May 2022 Role: Co-Principal Investigator	2023-02-22	Final no updates expected
Measurements of Kr/Ar and N2/Ar ratios in stored dissolved gas samples collected in 1981 through the Transient Tracers in the Ocean (TTO) program North Atlantic Survey (NAS) Role: Co-Principal Investigator	2023-02-23	Final no updates expected

Project: Collaborative Research: Novel constraints on air-sea gas exchange and deep ocean ventilation from high-precision noble gas isotope measurements in seawater (3 datasets)

Dataset	Latest Version Date	Current State
Model simulations of elemental and isotopic heavy noble gas ratios using the Transport Matrix Method (TMM) Role: Co-Principal Investigator	2023-02-21	Final no updates expected
Elemental and isotopic noble gas ratios from the Bermuda Atlantic Time-series (BATS) on cruise 10391 on R/V Atlantic Explorer (AE2208) from 30 April 2022 to 05 May 2022 Role: Co-Principal Investigator	2023-02-22	Final no updates expected
Measurements of Kr/Ar and N2/Ar ratios in stored dissolved gas samples collected in 1981 through the Transient Tracers in the Ocean (TTO) program North Atlantic Survey (NAS) Role: Co-Principal Investigator	2023-02-23	Final no updates expected

Project: Collaborative Research: The Annual Cycle of the Biological Carbon Pump in the Subpolar North Atlantic (1 datasets)

Dataset	Latest Version Date	Current State
Supplementary discrete sample measurements of dissolved oxygen, dissolved inorganic carbon, and total alkalinity from Ocean Observatories Initiative (OOI) cruises to the Irminger Sea Array 2018-2019 Role: Co-Principal Investigator	2023-07-19	Final no updates expected

Project: Collaborative Research: Gases in the Overturning and Horizontal circulation of the Subpolar North Atlantic Program (GOHSNAP) (1 datasets)

Dataset	Latest Version Date	Current State
Discrete sample measurements of dissolved oxygen, dissolved inorganic carbon, and total alkalinity from US Overturning in the Subpolar North Atlantic Program (OSNAP) cruises in 2020 and 2022 (AR45 and AR69-03) Role: Co-Principal Investigator	2024-07-29	Data not available