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Christopher T. Hayes

Affiliation: University of Southern Mississippi (USM)

Address: []

Orcid: 0000-0002-5636-2989

Project: U.S. GEOTRACES North Atlantic Transect (GA03) (4 datasets)

Dataset	Latest Version Date	Current State
Depth profiles of dissolved, small and large particulate 232Th, 230Th, and 231Pa from R/V Knorr KN199-04, KN204-01, subtropical North Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) Role: Contact	2016-05-16	Final no updates expected
Depth profiles of suspended dissolved and particulate 232Th, 230Th, and 231Pa from R/V Knorr KN199-04, KN204-01, subtropical North Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) Role: Contact	2014-08-08	Final no updates expected
Particle beam attenuation coefficient (Cp) data from GEOTRACES carousel from R/V Knorr KN199-04, KN204-01 in the subtropical N. Atlantic Ocean, 2010-2011 (U.S. GEOTRACES NAT project) Roles: Contact, Student	2013-11-05	Final no updates expected
Particle beam attenuation coefficient (Cp) data from ODF (Ocean Data Facility) rosette, R/V Knorr KN199-04, KN204-01 in the Subtropical northern Atlantic Ocean, 2010-2011 (U.S. GEOTRACES NAT project) Roles: Student, Contact	2013-11-05	Final no updates expected

Project: Center for Microbial Oceanography: Research and Education (1 datasets)

Dataset	Latest Version Date	Current State
Surface and profile concentrations of trace metals and radionuclides near Station ALOHA Role: Principal Investigator	2020-02-11	Final no updates expected

Project: Boundary Sources and Sinks of 230Th, 232Th and 231Pa in the NW Pacific (1 datasets)

Dataset	Latest Version Date	Current State
Depth profiles of seawater dissolved 232Th, 230Th, and 231Pa, NW Pacific from R/V Sonne SO202 in the North Pacific and the Bering Sea from July 2009 (Sources-Sinks Th-Pa project) Role: Contact	2013-01-16	Final no updates expected

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

Dataset	Latest Version Date	Current State
Dissolved thorium and protactinium isotopes (232Th, 230Th, 231Pa) in seawater 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 Role: Principal Investigator	2024-03-15	Final no updates expected
Dissolved thorium and protactinium isotopes (232Th, 230Th, 231Pa) in seawater 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 Oct-Nov 2018 Role: Principal Investigator	2024-08-01	Final no updates expected

Project: Collaborative Research: U.S. GEOTRACES Pacific Meridional Transect: Thorium-232, Thorium-230 and Protactinium-231 as tracers of trace element supply and removal (4 datasets)

Dataset	Latest Version Date	Current State
Dissolved thorium-230 and thorium-232 from R/V Pelican cruise PE17-24 in the deep Northern Gulf of Mexico during June 2017 Role: Principal Investigator	2020-07-31	Final no updates expected
Dissolved thorium-230 and thorium-232 from R/V Point Sur cruise PS1718 at the site of the former Deepwater Horizon in April 2017 Role: Principal Investigator	2020-07-28	Final no updates expected
Dissolved thorium and protactinium isotopes (232Th, 230Th, 231Pa) in seawater 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 Role: Principal Investigator	2024-03-15	Final no updates expected
Dissolved thorium and protactinium isotopes (232Th, 230Th, 231Pa) in seawater 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 Oct-Nov 2018 Role: Principal Investigator	2024-08-01	Final no updates expected

Project: Chief Scientist Training Cruise (Barbados-Bermuda, May 2014) (1 datasets)

Dataset	Latest Version Date	Current State
Seawater concentrations of dissolved and total Th-232 and Th-230 collected from the R/V Atlantic Explorer (AE1410) cruise from Barbados to Bermuda during 2014 Role: Principal Investigator	2016-02-22	Final no updates expected