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R. Lawrence Edwards
Synonyms:
Larry
Affiliation:
University of Minnesota
Address:
116 Church Street SE
Tate Hall, Room 471
Minneapolis, MN
USA 55455
ORCiD:
0000-0002-7027-5881
Activities reported for R. Lawrence Edwards:
Program coordination
None
Project coordination
Collaborative Research: U.S. GEOTRACES Pacific Meridional Transect: Thorium-232, Thorium-230 and Protactinium-231 as tracers of trace element supply and removal
(PMT Thorium Isotopes)
Principal Investigator
Collaborative Research: U.S. GEOTRACES Arctic Section: Thorium-230, Thorium-232, and Protactinium-231 tracers of trace element supply and removal.
(GEOTRACES Arctic Th Pa)
Principal Investigator
Deployment coordination
None
Datasets
Project:
Collaborative Research: U.S. GEOTRACES Arctic Section: Thorium-230, Thorium-232, and Protactinium-231 tracers of trace element supply and removal.
Dataset
Version Date
Current State
Concentrations of size-fractionated particulate thorium and protactinium isotopes (Th-232, Th-230, Pa-231) in seawater collected during the U.S. GEOTRACES Arctic cruise (HLY1502, GN01) on USCGC Healy from August to October 2015
Principal Investigator
2021-08-25
Final no updates expected
Concentrations of dissolved thorium and protactinium isotopes (Th-232, Th-230, Pa-231) in seawater, sea ice, and melt ponds collected during the U.S. GEOTRACES Arctic cruise (HLY1502, GN01) on USCGC Healy from August to October 2015
Principal Investigator
2021-08-25
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
Dataset
Version Date
Current State
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
Principal Investigator
2024-08-01
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
Principal Investigator
2024-03-15
Final no updates expected
Project:
US GEOTRACES Pacific Meridional Transect (GP15)
Dataset
Version Date
Current State
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
Principal Investigator
2024-08-01
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
Principal Investigator
2024-03-15
Final no updates expected
Project:
U.S. GEOTRACES Pacific Section: Analysis of 230Th, 232Th and 231Pa
Dataset
Version Date
Current State
Small and large particulate Th and Pa samples from different depth profiles collected on R/V Thomas G. Thompson in the Eastern Tropical Pacific during 2013 (EPZT Th Pa project)
Co-Principal Investigator
2017-01-24
Final no updates expected
Depth profiles of seawater dissolved 232Th, 230Th, and 231Pa during the GEOTRACES Equatorial Pacific Zonal Transect on cruise TN303 during 2013
Co-Principal Investigator
2017-01-31
Final no updates expected
Project:
U.S. Arctic GEOTRACES Study (GN01)
Dataset
Version Date
Current State
Concentrations of size-fractionated particulate thorium and protactinium isotopes (Th-232, Th-230, Pa-231) in seawater collected during the U.S. GEOTRACES Arctic cruise (HLY1502, GN01) on USCGC Healy from August to October 2015
Principal Investigator
2021-08-25
Final no updates expected
Concentrations of dissolved thorium and protactinium isotopes (Th-232, Th-230, Pa-231) in seawater, sea ice, and melt ponds collected during the U.S. GEOTRACES Arctic cruise (HLY1502, GN01) on USCGC Healy from August to October 2015
Principal Investigator
2021-08-25
Final no updates expected
Project:
U.S. GEOTRACES East Pacific Zonal Transect (GP16)
Dataset
Version Date
Current State
Small and large particulate Th and Pa samples from different depth profiles collected on R/V Thomas G. Thompson in the Eastern Tropical Pacific during 2013 (EPZT Th Pa project)
Co-Principal Investigator
2017-01-24
Final no updates expected
Depth profiles of seawater dissolved 232Th, 230Th, and 231Pa during the GEOTRACES Equatorial Pacific Zonal Transect on cruise TN303 during 2013
Co-Principal Investigator
2017-01-31
Final no updates expected
Project:
U.S. GEOTRACES North Atlantic Transect (GA03)
Dataset
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)
Principal Investigator
2016-05-16
Final no updates expected