Mark Stephens

Affiliation:

Florida International University (FIU)

Address:

10555 W Flagler Street
Miami, FL
USA 33174

ORCiD:

0000-0002-2491-4654

Activities reported for Mark Stephens:

Program coordination

None

Project coordination

Collaborative Research: Lead-210 and Polonium-210 as tracers for scavenging and export: GEOTRACES Pacific Meridional Section (PMT Lead-210 and Polonium-210)	Principal Investigator, Contact
Collaborative Research: Constraining the role of chemical transformations in the cycling of mercury at the Arctic Ocean air-sea interface (Mercury air-sea exchange in the Arctic)	Principal Investigator, Contact
Collaborative Research: Quantifying the atmospheric flux of bio-active trace elements to the southwestern Indian Ocean (SWINGS Be-7)	Principal Investigator, Contact
GEOTRACES GP-17 OCE: Measurement of 7Be as a Tracer of Upper Ocean Processes (GP17-OCE Be-7)	Principal Investigator, Contact

Deployment coordination

None

Datasets

Project: GEOTRACES GP-17 OCE: Measurement of 7Be as a Tracer of Upper Ocean Processes

Dataset	Version Date	Current State
Aerosol and seawater beryllium-7 concentrations from 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	2024-05-14	Final no updates expected

Project: Collaborative Research: Quantifying the atmospheric flux of bio-active trace elements to the southwestern Indian Ocean

Dataset	Version Date	Current State
Aerosol and seawater beryllium-7 concentrations from the French GEOTRACES GS02 SWINGS cruise aboard R/V Marion-Dufresne (MD229) from January to March 2021 Principal Investigator	2024-05-15	Final no updates expected

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

Dataset	Version Date	Current State
Aerosol and seawater beryllium-7 concentrations from 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	2024-05-14	Final no updates expected

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

Dataset	Version Date	Current State
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 Co-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 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 Co-Principal Investigator	2023-03-23	Final no updates expected

Project: Collaborative Research: Defining the Atmospheric Deposition of Trace Elements Into The Arctic Ocean-Ice Ecosystem During The Year-Long MOSAiC Ice Drift

Dataset	Version Date	Current State
Snow and frost flower Be7 concentrations from the MOSAIC expedition on the R/V Polarstern in the Central Arctic Ocean from October 2019 to May 2020 Principal Investigator, Contact	2022-06-21	Final no updates expected
Ice core Be7 concentrations from the MOSAIC expedition on the R/V Polarstern in the Central Arctic Ocean from October 2019 to May 2020 Principal Investigator, Contact	2022-06-21	Final no updates expected
Arctic aerosol Be7 concentrations from the MOSAIC expedition on the R/V Polarstern in the Central Arctic Ocean from December 2019 to June 2020 Principal Investigator, Contact	2022-06-23	Final no updates expected

Project: US GEOTRACES Pacific Meridional Transect (GP15)

Dataset	Version Date	Current State
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 Co-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 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 Co-Principal Investigator	2023-03-23	Final no updates expected

Status message

Database

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Mark Stephens

Activities reported for Mark Stephens: