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Daniel M. Sigman

Affiliation: Princeton University

Address: []

Orcid: 0000-0002-7923-1973

Project: U.S. GEOTRACES North Atlantic Transect (GA03) (3 datasets)

Dataset	Latest Version Date	Current State
delta 15N of nitrate from R/V Knorr cruise KN199-04 & KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) Role: Co-Principal Investigator	2013-04-29	Final no updates expected
Nitrogen and Oxygen isotope ratios of dissolved nitrate from R/V Knorr KN199-04, KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) Role: Principal Investigator	2018-12-26	Final no updates expected
Nitrogen and Oxygen isotope ratios of dissolved nitrate from R/V Knorr KN199-04, KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) Role: Principal Investigator	2018-12-26	Final no updates expected

Project: CAREER: Nitrate Isotopes and Biogeochemistry; A Plan for coupling (15 datasets)

Dataset	Latest Version Date	Current State
Nitrate nitrogen and oxygen isotope hydrocast data from R/V Aurora Australis and RV Nathaniel B. Palmer cruises in the Southern oceans from 1997 to 2006 (CAREER project) Role: Principal Investigator	2011-12-07	Final with updates expected
Nitrate nitrogen and oxygen isotope hydrocast data from R/V Aurora Australis and RV Nathaniel B. Palmer cruises in the Southern oceans from 1997 to 2006 (CAREER project) Role: Principal Investigator	2011-12-07	Final with updates expected
Nitrate nitrogen and oxygen isotope hydrocast data from R/V Aurora Australis and RV Nathaniel B. Palmer cruises in the Southern oceans from 1997 to 2006 (CAREER project) Role: Principal Investigator	2011-12-07	Final with updates expected
Nitrate nitrogen and oxygen isotope hydrocast data from R/V Aurora Australis and RV Nathaniel B. Palmer cruises in the Southern oceans from 1997 to 2006 (CAREER project) Role: Principal Investigator	2011-12-07	Final with updates expected
Nitrate nitrogen and oxygen isotope hydrocast data from R/V Aurora Australis and RV Nathaniel B. Palmer cruises in the Southern oceans from 1997 to 2006 (CAREER project) Role: Principal Investigator	2011-12-07	Final with updates expected
Nitrate nitrogen and oxygen isotope data from the underway acquisition system from R/V Aurora Australis and R/V Southern Surveyor cruises in the Southern Ocean from 1997 to 1999 (CAREER project) Role: Principal Investigator	2011-02-26	Final no updates expected
Nitrate nitrogen and oxygen isotope data from the underway acquisition system from R/V Aurora Australis and R/V Southern Surveyor cruises in the Southern Ocean from 1997 to 1999 (CAREER project) Role: Principal Investigator	2011-02-26	Final no updates expected
Nitrate nitrogen and oxygen isotope data from the underway acquisition system from R/V Aurora Australis and R/V Southern Surveyor cruises in the Southern Ocean from 1997 to 1999 (CAREER project) Role: Principal Investigator	2011-02-26	Final no updates expected
Nitrate nitrogen and oxygen isotope data from the underway acquisition system from R/V Aurora Australis and R/V Southern Surveyor cruises in the Southern Ocean from 1997 to 1999 (CAREER project) Role: Principal Investigator	2011-02-26	Final no updates expected
Cruise track data from the underway acquisition system from R/V Aurora Australis, R/V Southern Surveyor, and RVIB Nathaniel B. Palmer cruises in the Southern Ocean from 1997 to 2001 (CAREER project) Role: Principal Investigator	2012-01-30	Final no updates expected
Cruise track data from the underway acquisition system from R/V Aurora Australis, R/V Southern Surveyor, and RVIB Nathaniel B. Palmer cruises in the Southern Ocean from 1997 to 2001 (CAREER project) Role: Principal Investigator	2012-01-30	Final no updates expected
Cruise track data from the underway acquisition system from R/V Aurora Australis, R/V Southern Surveyor, and RVIB Nathaniel B. Palmer cruises in the Southern Ocean from 1997 to 2001 (CAREER project) Role: Principal Investigator	2012-01-30	Final no updates expected
Cruise track data from the underway acquisition system from R/V Aurora Australis, R/V Southern Surveyor, and RVIB Nathaniel B. Palmer cruises in the Southern Ocean from 1997 to 2001 (CAREER project) Role: Principal Investigator	2012-01-30	Final no updates expected
Tropical Pacific nitrate N and O isotopes in the tropical Pacific from 2003-2007 (CAREER project, Diatom-bound_N_Isotopes project) Role: Co-Principal Investigator	2016-01-19	Final no updates expected
Nitrate and Oxygen isotope measurements from CLIVAR line P16S in 2005 from R/V Roger Revelle ZHNG02RR in the A meridional transect from 16 to 71 degrees South along 150 degrees West from January to February 2005 (CAREER project) Role: Co-Principal Investigator	2016-07-13	Final no updates expected

Project: Functional diversity of marine eukaryotic phytoplankton and their contributions to the C and N cycling (6 datasets)

Dataset	Latest Version Date	Current State
CTD data from the R/V Endeavor (EN532) cruise in the subarctic Atlantic Ocean during 2013 (DimBio NABE project) Role: Scientist	2015-07-31	Final no updates expected
CTD data from the R/V Endeavor (EN538) cruise in the subarctic Atlantic Ocean during 2014 (DimBio NABE project) Role: Scientist	2015-07-31	Final no updates expected
Chlorophyll-a concentrations from CTD cast deployments and underway seawater inflow from Endeavor 532 and Endeavor 538 cruises in 2013 and 2014 Role: Scientist	2017-07-17	Final no updates expected
Dissolved inorganic nutrient concentrations from ctd cast deployments and underway seawater inflow from Endeavor 532 and Endeavor 538 Role: Scientist	2016-07-14	Final no updates expected
Pico- and Nanoplankton concentrations from CTD cast deployments collected from the R/V Endeavor (EN532, EN538) cruises in the subarctic Atlantic Ocean from 2013-2014 (DimBio NABE project) Role: Scientist	2016-07-15	Final no updates expected
Particulate nitrogen concentrations, N isotopic composition, and nitrate isotopic composition from EN532 Role: Scientist	2016-07-15	Final no updates expected

Project: High-resolution, Assemblage-specific Records of Diatom-bound N Isotopes from the Indian Sector of the Antarctic Ocean (7 datasets)

Dataset	Latest Version Date	Current State
Wintertime nitrate delta 15N and delta 18O from hydrocasts from R/V S. A. Agulhas II cruise VOY03 in the Southern Ocean south of Africa in 2012 (Diatom-bound_N_Isotopes project) Role: Principal Investigator	2015-05-05	Final no updates expected
Wintertime nitrate delta 15N and delta 18O from the surface (underway) from R/V S. A. Agulhas II cruise VOY03 in the Southern Ocean south of Africa in 2012 (Diatom-bound_N_Isotopes project) Role: Principal Investigator	2015-05-07	Final no updates expected
Tropical Pacific nitrate N and O isotopes in the tropical Pacific from 2003-2007 (CAREER project, Diatom-bound_N_Isotopes project) Role: Co-Principal Investigator	2016-01-19	Final no updates expected
Bulk suspended PON d15N from several cruises conducted in the Southern Ocean south of Africa from 2012-2019 Role: Principal Investigator	2020-03-04	Final no updates expected
Nitrate+nitrite and nitrate-only d15N from R/V S.A. Agulhas II cruises VOY016 and VOY019 in the Southern Ocean south of Africa during 2015-2016 Role: Principal Investigator	2020-03-06	Final no updates expected
Planktic foraminifer tissue and shell d15N from net tows on R/V S.A. Agulhas II cruises VOY016 and VOY019 in the Southern Ocean south of Africa during 2015-2016 Role: Principal Investigator	2020-03-10	Final no updates expected
Size-fractionated zooplankton d15N from net tows on R/V S.A. Agulhas II cruises VOY016 and VOY019 in the Southern Ocean south of Africa during 2015-2016 Role: Principal Investigator	2020-03-10	Final no updates expected

Project: Collaborative Research: Identifying the Role of Basin-scale Climate Variability in the Decline of Atlantic Corals (1 datasets)

Dataset	Latest Version Date	Current State
Nitrogen isotopes of coral skeleton-bound organic matter from various sampling locations world-wide Role: Principal Investigator	2018-09-13	Final no updates expected

Project: Nitrogen isotopic (d15N) composition of carbonate-bound organic nitrogen in Deep Sea Corals: A new, high resolution proxy for N cycle studies (3 datasets)

Dataset	Latest Version Date	Current State
Southern Ocean deep-sea fossil coral (Desmophyllum dianthus) nitrogen isotopes from R/V Nathaniel B. Palmer and R/V Thompson cruises between 2008 and 2011 (DeepSeaCoralNitrogen project) Role: Co-Principal Investigator	2017-04-28	Final with updates expected
Southern Ocean deep-sea fossil coral (Desmophyllum dianthus) nitrogen isotope records generated using Monte Carlo and Kalman Filters generated using Monte Carlo and Kalman Filters (DeepSeaCoralNitrogen project) Role: Co-Principal Investigator	2017-04-28	Final with updates expected
Modern deep-sea coral (Desmophyllum dianthus) nitrogen isotopes from samples collected between 1961 and 2009 (DeepSeaCoralNitrogen project) Role: Co-Principal Investigator	2017-08-01	Final with updates expected

Project: US GEOTRACES Pacific Meridional Transect (GP15) (2 datasets)

Dataset	Latest Version Date	Current State
Nitrate d15N and d18O from Niskin bottle samples collected on 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 Role: Principal Investigator	2024-05-28	Final no updates expected
Nitrate d15N and d18O from Niskin bottle samples collected on 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 Role: Principal Investigator	2024-05-21	Final no updates expected

Project: Understanding the nitrogen isotopes of planktonic foraminifera: A modern Sargasso Sea study (11 datasets)

Dataset	Latest Version Date	Current State
d15N of size-fractionated particulate organic nitrogen (PON) from net tows in the Sargasso Sea at BATS and Hydro Station S Role: Principal Investigator	2018-10-01	Final no updates expected
d15N of size-fractionated particulate organic nitrogen (PON) from sediment traps in the Sargasso Sea Role: Principal Investigator	2018-10-01	Final no updates expected
Planktic foraminifer tissue d15N from net tows in the Sargasso Sea at BATS and Hydro Station S Role: Principal Investigator	2018-10-02	Final no updates expected
Planktic foraminifer shell d15N from net tows in the Sargasso Sea at BATS and Hydro Station S Role: Principal Investigator	2018-10-02	Final no updates expected
Planktic foraminifer shell d15N from Oceanic Flux Program (OFP) sediment traps in the Sargasso Sea Role: Principal Investigator	2018-10-02	Final no updates expected
Planktic foraminifer shell d15N from core-top sediments from the Sargasso Sea Role: Principal Investigator	2018-10-02	Final no updates expected
Bulk suspended PON d15N from several cruises conducted in the Southern Ocean south of Africa from 2012-2019 Role: Principal Investigator	2020-03-04	Final no updates expected
Nitrate+nitrite and nitrate-only d15N from R/V S.A. Agulhas II cruises VOY016 and VOY019 in the Southern Ocean south of Africa during 2015-2016 Role: Principal Investigator	2020-03-06	Final no updates expected
Planktic foraminifer tissue and shell d15N from net tows on R/V S.A. Agulhas II cruises VOY016 and VOY019 in the Southern Ocean south of Africa during 2015-2016 Role: Principal Investigator	2020-03-10	Final no updates expected
Size-fractionated zooplankton d15N from net tows on R/V S.A. Agulhas II cruises VOY016 and VOY019 in the Southern Ocean south of Africa during 2015-2016 Role: Principal Investigator	2020-03-10	Final no updates expected
Nitrate N and O isotopes from the GP12 ("PANDORA") cruise in the South-West Pacific and Solomon Sea from June to August 2012 carried out as part of the international GEOTRACES program Role: Co-Principal Investigator	2021-01-27	Final no updates expected

Project: MRI: Acquisition of Stable Isotope Instrumentation for the Biogeosciences at Princeton University (4 datasets)

Dataset	Latest Version Date	Current State
Bulk suspended PON d15N from several cruises conducted in the Southern Ocean south of Africa from 2012-2019 Role: Principal Investigator	2020-03-04	Final no updates expected
Nitrate+nitrite and nitrate-only d15N from R/V S.A. Agulhas II cruises VOY016 and VOY019 in the Southern Ocean south of Africa during 2015-2016 Role: Principal Investigator	2020-03-06	Final no updates expected
Planktic foraminifer tissue and shell d15N from net tows on R/V S.A. Agulhas II cruises VOY016 and VOY019 in the Southern Ocean south of Africa during 2015-2016 Role: Principal Investigator	2020-03-10	Final no updates expected
Size-fractionated zooplankton d15N from net tows on R/V S.A. Agulhas II cruises VOY016 and VOY019 in the Southern Ocean south of Africa during 2015-2016 Role: Principal Investigator	2020-03-10	Final no updates expected

Project: Collaborative Research: US GEOTRACES PMT: Investigating geochemical tracers of the Pacific nitrogen cycle and budget (3 datasets)

Dataset	Latest Version Date	Current State
Nitrate N and O isotopes from the GP12 ("PANDORA") cruise in the South-West Pacific and Solomon Sea from June to August 2012 carried out as part of the international GEOTRACES program Role: Co-Principal Investigator	2021-01-27	Final no updates expected
Nitrate d15N and d18O from Niskin bottle samples collected on 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 Role: Principal Investigator	2024-05-28	Final no updates expected
Nitrate d15N and d18O from Niskin bottle samples collected on 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 Role: Principal Investigator	2024-05-21	Final no updates expected

Project: Collaborative Research: GEOTRACES Atlantic Section Nitrate Isotope Measurements (GP12) (1 datasets)

Dataset	Latest Version Date	Current State
Nitrate N and O isotopes from the GP12 ("PANDORA") cruise in the South-West Pacific and Solomon Sea from June to August 2012 carried out as part of the international GEOTRACES program Role: Co-Principal Investigator	2021-01-27	Final no updates expected