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J. Kirk Cochran

Affiliation: Stony Brook University - SoMAS (SUNY-SB SoMAS)

Address: []

Orcid: 0000-0003-3632-8932

Project: U.S. JGOFS Equatorial Pacific (2 datasets)

Dataset	Latest Version Date	Current State
Thorium-234 activity in particulate and dissolved phases from R/V Thomas G. Thompson cruises TT008, TT012 in the Equatorial Pacific in 1992 during the U.S. JGOFS Equatorial Pacific (EqPac) project Role: Principal Investigator	1996-05-01	Final no updates expected
Thorium-234 activity in particulate and dissolved phases from R/V Thomas G. Thompson cruises TT008, TT012 in the Equatorial Pacific in 1992 during the U.S. JGOFS Equatorial Pacific (EqPac) project Role: Principal Investigator	1996-05-01	Final no updates expected

Project: U.S. JGOFS Antarctic Environment and Southern Ocean Process Study (7 datasets)

Dataset	Latest Version Date	Current State
Th-234 in particulate and dissolved phases; POC/PON from RVIB Nathaniel B. Palmer and R/V Roger Revelle cruises in the Southern Ocean, 1997-1998 (U.S. JGOFS AESOPS project) Role: Co-Principal Investigator	1999-12-13	Final no updates expected
Th-234 in particulate and dissolved phases; POC/PON from RVIB Nathaniel B. Palmer and R/V Roger Revelle cruises in the Southern Ocean, 1997-1998 (U.S. JGOFS AESOPS project) Role: Co-Principal Investigator	1999-12-13	Final no updates expected
Th-234 in particulate and dissolved phases; POC/PON from RVIB Nathaniel B. Palmer and R/V Roger Revelle cruises in the Southern Ocean, 1997-1998 (U.S. JGOFS AESOPS project) Role: Co-Principal Investigator	1999-12-13	Final no updates expected
Th-234 in particulate and dissolved phases; POC/PON from RVIB Nathaniel B. Palmer and R/V Roger Revelle cruises in the Southern Ocean, 1997-1998 (U.S. JGOFS AESOPS project) Role: Co-Principal Investigator	1999-12-13	Final no updates expected
Th-234 in particulate and dissolved phases; POC/PON from RVIB Nathaniel B. Palmer and R/V Roger Revelle cruises in the Southern Ocean, 1997-1998 (U.S. JGOFS AESOPS project) Role: Co-Principal Investigator	1999-12-13	Final no updates expected
Th-234 in particulate and dissolved phases; POC/PON from RVIB Nathaniel B. Palmer and R/V Roger Revelle cruises in the Southern Ocean, 1997-1998 (U.S. JGOFS AESOPS project) Role: Co-Principal Investigator	1999-12-13	Final no updates expected
Th-234 in particulate and dissolved phases; POC/PON from RVIB Nathaniel B. Palmer and R/V Roger Revelle cruises in the Southern Ocean, 1997-1998 (U.S. JGOFS AESOPS project) Role: Co-Principal Investigator	1999-12-13	Final no updates expected

Project: US GEOTRACES Pacific Meridional Transect (GP15) (6 datasets)

Dataset	Latest Version Date	Current State
Activities of 210Po and 210Pb in aerosol 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	2022-08-17	Final no updates expected
Activities of 210Po and 210Pb in aerosol 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	2022-08-17	Final no updates expected
Dissolved and total water column 210Po and 210Pb from 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	2023-01-06	Final no updates expected
Dissolved and total water column 210Po and 210Pb from 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	2023-01-31	Final no updates expected
Activities of 210Po and 210Pb on particles in two size classes obtained by in situ pumping 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	2023-03-23	Final no updates expected
Activities of 210Po and 210Pb on particles in two size classes obtained by in situ pumping 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 Oct-Nov 2018 Role: Principal Investigator	2023-03-23	Final no updates expected

Project: Collaborative Research: Lead-210 and Polonium-210 as tracers for scavenging and export: GEOTRACES Pacific Meridional Section (6 datasets)

Dataset	Latest Version Date	Current State
Activities of 210Po and 210Pb in aerosol 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	2022-08-17	Final no updates expected
Activities of 210Po and 210Pb in aerosol 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	2022-08-17	Final no updates expected
Dissolved and total water column 210Po and 210Pb from 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	2023-01-06	Final no updates expected
Dissolved and total water column 210Po and 210Pb from 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	2023-01-31	Final no updates expected
Activities of 210Po and 210Pb on particles in two size classes obtained by in situ pumping 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	2023-03-23	Final no updates expected
Activities of 210Po and 210Pb on particles in two size classes obtained by in situ pumping 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 Oct-Nov 2018 Role: Principal Investigator	2023-03-23	Final no updates expected