Tristan J. Horner

Affiliation:

Woods Hole Oceanographic Institution (WHOI)

Address:

266 Woods Hole Rd.
Clark 448, MS# 25
Woods Hole, MA
United States 02543

ORCiD:

0000-0003-1784-0391

Activities reported for Tristan J. Horner:

Program coordination

None

Project coordination

Calibration of a Novel Nutrient Paleoproxy in the Southern Ocean (Novel Nutrient Paleoproxy)	Principal Investigator, Contact
U.S. GEOTRACES Pacific Meridional Transect: Tracing Basin-scale Nutrient Cycling and Carbon Export with Dissolved and Particulate Barium-isotopic Distributions (GEOTRACES PMT Barium)	Principal Investigator, Contact
The Speed, Signature, and Significance of Barium Transformations in Seawater (The Three S's)	Principal Investigator, Contact
US GEOTRACES GP17-OCE: Investigating the role of the Southern Ocean's biogeochemical divide in shaping the global distributions of radium and barium isotopes (GP17-OCE Ra and Ba isotopes)	Principal Investigator, Contact

Deployment coordination

None

Datasets

Project: US GEOTRACES GP17 Section: South Pacific and Southern Ocean (GP17-OCE)

Dataset	Version Date	Current State
Dissolved barium (Ba) concentrations in seawater samples collected on the US GEOTRACES GP17-OCE cruise on R/V Roger Revelle (RR2214) in the South Pacific and Southern Oceans from December 2022 to January 2023 Principal Investigator, Contact	2025-01-02	Final no updates expected
Measurements of the dissolved isotope radium-226 from samples collected on the US GEOTRACES GP17-OCE cruise on R/V Roger Revelle (RR2214) in the South Pacific and Southern Oceans from December 2022 to January 2023 Co-Principal Investigator	2024-12-11	Final no updates expected

Project: US GEOTRACES GP17-OCE and GP17-ANT: Sources and Rates of Trace Element and Isotope Cycling Derived from the Radium Quartet

Dataset	Version Date	Current State
Measurements of the dissolved isotope radium-226 from samples collected on the US GEOTRACES GP17-OCE cruise on R/V Roger Revelle (RR2214) in the South Pacific and Southern Oceans from December 2022 to January 2023 Co-Principal Investigator	2024-12-11	Final no updates expected

Project: US GEOTRACES GP17-OCE: Investigating the role of the Southern Ocean's biogeochemical divide in shaping the global distributions of radium and barium isotopes

Dataset	Version Date	Current State
Dissolved barium (Ba) concentrations in seawater samples collected on the US GEOTRACES GP17-OCE cruise on R/V Roger Revelle (RR2214) in the South Pacific and Southern Oceans from December 2022 to January 2023 Principal Investigator, Contact	2025-01-02	Final no updates expected
Measurements of the dissolved isotope radium-226 from samples collected on the US GEOTRACES GP17-OCE cruise on R/V Roger Revelle (RR2214) in the South Pacific and Southern Oceans from December 2022 to January 2023 Co-Principal Investigator	2024-12-11	Final no updates expected

Project: The Speed, Signature, and Significance of Barium Transformations in Seawater

Dataset	Version Date	Current State
A spatially and vertically resolved global grid of dissolved barium concentrations in seawater determined using Gaussian Process Regression machine learning Principal Investigator	2023-07-11	Final no updates expected

Project: GEOTRACES Arctic Section: Methane, vanadium, barium, and gallium as process indicators in the Arctic Ocean

Dataset	Version Date	Current State
Dissolved Ba, Cd, Cu, Ga, Mn, Ni, and V concentrations and Ba isotope concentrations from the US GEOTRACES Arctic Expedition (GN01, HLY1502) from August to October 2015 Co-Principal Investigator	2021-07-01	Final no updates expected

Project: U.S. GEOTRACES Pacific Meridional Transect: Tracing Basin-scale Nutrient Cycling and Carbon Export with Dissolved and Particulate Barium-isotopic Distributions

Dataset	Version Date	Current State
Barium isotope ratios (δ138Ba) in small size fraction particles 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	2021-06-22	Final no updates expected
Barium isotope ratios (δ138Ba) in small size fraction particles 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	2021-06-22	Final no updates expected
Barium concentration and isotopic data collected along the California Coastline during July 2014 from R/V Melville cruise MV1405 Principal Investigator	2019-06-10	Final no updates expected
Barium concentration and isotopic data from SAFe, collected during the 2nd GEOTRACES Intercalibration cruise (R/V Knorr KN195-08) in the eastern North Pacific during May 2009 Principal Investigator	2019-08-06	Final no updates expected

Project: US GEOTRACES Pacific Meridional Transect (GP15)

Dataset	Version Date	Current State
Barium isotope ratios (δ138Ba) in small size fraction particles 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	2021-06-22	Final no updates expected
Barium isotope ratios (δ138Ba) in small size fraction particles 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	2021-06-22	Final no updates expected

Project: Calibration of a Novel Nutrient Paleoproxy in the Southern Ocean

Dataset	Version Date	Current State
Underway data for Blue Heron cruise BH15-11 in the western arm of Lake Superior from August 2015 (Early Career Great Lakes research project, Novel Nutrient Paleoproxy project) Principal Investigator	2017-07-25	Final no updates expected
Processed CTD data from BH15-11 from R/V Blue Heron cruise BH15-11 in the western arm of Lake Superior in August 2015 Principal Investigator	2017-07-20	Final no updates expected
Particulate multi-element geochemical concentrations, dissolved barium concentrations and barium-isotopic data collected during the R/V Blue Heron cruise BH15-11 in Lake Superior during August 2015 Principal Investigator	2017-03-24	Final no updates expected

Project: EAGER - Introducing Early Career Scientists to Research on the Great Lakes

Dataset	Version Date	Current State
Underway data for Blue Heron cruise BH15-11 in the western arm of Lake Superior from August 2015 (Early Career Great Lakes research project, Novel Nutrient Paleoproxy project) Principal Investigator	2017-07-25	Final no updates expected
Processed CTD data from BH15-11 from R/V Blue Heron cruise BH15-11 in the western arm of Lake Superior in August 2015 Principal Investigator	2017-07-20	Final no updates expected
Particulate multi-element geochemical concentrations, dissolved barium concentrations and barium-isotopic data collected during the R/V Blue Heron cruise BH15-11 in Lake Superior during August 2015 Principal Investigator	2017-03-24	Final no updates expected

Project: U.S. Arctic GEOTRACES Study (GN01)

Dataset	Version Date	Current State
Dissolved Ba, Cd, Cu, Ga, Mn, Ni, and V concentrations and Ba isotope concentrations from the US GEOTRACES Arctic Expedition (GN01, HLY1502) from August to October 2015 Co-Principal Investigator	2021-07-01	Final no updates expected

Status message

Database

Contribute Data

Tristan J. Horner

Activities reported for Tristan J. Horner: