Robert P. Mason

Affiliation:

University of Connecticut (UConn)

Address:

Department of Marine Sciences
Groton, CT
USA 06340

ORCiD:

0000-0002-7443-4931

Activities reported for Robert P. Mason:

Program coordination

None

Project coordination

Collaborative Research: Interwoven biogeochemical cycles and biological transformations of mercury and selenium in the upper ocean (Mercury and Selenium)	Co-Principal Investigator, Contact
Collaborative Research: GEOTRACES Arctic Section: Determination of atmospheric wet and dry deposition and air-sea exchange of mercury species from coastal and offshore waters (GEOTRACES Arctic Atmos Hg)	Principal Investigator, Contact
Collaborative Research: Transformations and mercury isotopic fractionation of methylmercury by marine phytoplankton (Phytoplankton MeHg)	Principal Investigator
US GEOTRACES Pacific Meridional Transect: Determination of the air-sea exchange of inorganic and methylated mercury in the anthropogenically-impacted and remote Pacific Ocean (PMT Mercury air-sea exchange)	Principal Investigator, Contact
Collaborative Research: US GEOTRACES GP17-OCE and -ANT Sections: External sources, cycling and processes affecting mercury speciation in the South Pacific and Southern Oceans (GP17-OCE and GP17-ANT Water Column Mercury Species)	Lead Principal Investigator
Collaborative Research: The effects of terrestrial organic matter inputs on coastal mercury cycling, methylmercury production and bioaccumulation (Mercury in the Gulf of Maine)	Principal Investigator
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
Methylated mercury sources and cycling in the high latitude North Atlantic (Mercury in the far North Atlantic)	Principal Investigator, Contact
Constraining the air-sea exchange of inorganic and methylated mercury with high resolution spatial and temporal measurements in the Sargasso Sea (Mercury in the Sargasso Sea)	Principal Investigator

Deployment coordination

None

Datasets

Project: US GEOTRACES Pacific Meridional Transect: Determination of the air-sea exchange of inorganic and methylated mercury in the anthropogenically-impacted and remote Pacific Ocean

Dataset	Version Date	Current State
Gaseous ionic (so-called "reactive") mercury concentration in the atmosphere, measured using cation ion exchange (CEM) membranes on the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1814 & RR1815) on R/V Roger Revelle from Sept-Nov 2018 Principal Investigator	2020-12-14	Final no updates expected
Atmospheric & gaseous mercury from aerosol samples collected using high volume and low volume sampling systems on Leg 2 (Hilo, HI to Papeete, French Polynesia) of the US GEOTRACES PMT cruise (GP15, RR1815) on R/V Roger Revelle from Oct-Nov 2018 Principal Investigator	2020-12-14	Final no updates expected
Atmospheric & gaseous mercury from aerosol samples collected using high volume and low volume sampling systems on Leg 1 (Seattle, WA to Hilo, HI) of the US GEOTRACES PMT cruise (GP15, RR1814) on R/V Roger Revelle from Sept-Oct 2018 Principal Investigator	2020-12-14	Final no updates expected
Total dissolved mercury and methylmercury from rainfall 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 Oct-Nov 2018 Principal Investigator	2020-12-09	Final no updates expected
Total dissolved mercury and methylmercury from rainfall 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 Sept-Oct 2018 Principal Investigator	2020-12-09	Final no updates expected
Dissolved elemental mercury (Hg) from samples collected by the ship’s underway system during 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	2020-12-02	Final no updates expected
Dissolved elemental mercury (Hg) from samples collected by the ship’s underway system during Leg 1 (Seattle, WA to Hilo, HI) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1814) on R/V Roger Revelle from Sept-Oct 2018 Principal Investigator	2020-12-02	Final no updates expected

Project: Collaborative Research: Transformations and mercury isotopic fractionation of methylmercury by marine phytoplankton

Dataset	Version Date	Current State
Concentrations of mercury forms and ancillary parameters in size fractionated plankton samples and in water collected during 2014 from Long Island Sound and the adjacent shelf Principal Investigator	2021-06-07	Final no updates expected
Coastal phytoplankton and mercury dynamics in watersheds along the U.S. East Coast from New Jersey to Maine assessed using particulate and dissolved samples collected in 2015 and 2016 Principal Investigator	2021-02-17	Final no updates expected
Mercury stable isotope ratios for standard reference material UM-Almaden during 2011-2013 Co-Principal Investigator	2020-10-14	Final no updates expected
MeHg concentrations and stable isotope ratios for individual samples from mercury reduction experiments conducted on marine phytoplankton from 2012-2013 Co-Principal Investigator	2020-10-14	Final no updates expected
Hg(II) concentrations and stable isotope ratios for individual samples from mercury reduction experiments conducted on marine phytoplankton from 2011-2013 Co-Principal Investigator	2020-10-14	Final no updates expected
MeHg photoreduction rates and stable isotope enrichment from mercury reduction experiments conducted on marine phytoplankton from 2012-2013. Co-Principal Investigator	2020-10-14	Final no updates expected
Hg(II) photoreduction rates and stable isotope enrichment from mercury reduction experiments conducted on marine phytoplankton from 2011-2013 Co-Principal Investigator	2020-10-14	Final no updates expected

Project: Collaborative Research: GEOTRACES Arctic Section: Determination of atmospheric wet and dry deposition and air-sea exchange of mercury species from coastal and offshore waters

Dataset	Version Date	Current State
Atmospheric total gaseous mercury from the US GEOTRACES Arctic cruise (HLY1502, GN01) from August to October 2015 Principal Investigator	2021-02-19	Final no updates expected
Mercury and methylmercury concentrations in surface snow samples from USCGC Healy HLY1502 in the Canada and Makarov Basins of the Arctic Ocean; Dutch Harbor to Dutch Harbor from August to October 2015 Principal Investigator	2021-01-25	Final no updates expected
Mercury and methylmercury in wet deposition samples from USCGC Healy HLY1502 in the Canada and Makarov Basins of the Arctic Ocean; Dutch Harbor to Dutch Harbor from August to October 2015 Principal Investigator	2021-01-25	Final no updates expected
Mercury and methylmercury concentrations in melt pond water from samples collected during the GEOTRACES Arctic Ocean cruise in 2015 (HLY1502, GN01). Principal Investigator	2021-01-25	Final no updates expected
Mercury and methylmercury concentrations in ice cores from the US GEOTRACES Arctic cruise (HLY1502, GN01) from August to October 2015 Principal Investigator	2021-01-25	Final no updates expected
Mercury and methylmercury concentrations in aerosols from the US GEOTRACES Arctic cruise (HLY1502, GN01) from August to October 2015 Principal Investigator	2021-01-25	Final no updates expected
Measurements of total dissolved gaseous mercury in surface waters from the US GEOTRACES Arctic cruise (HLY1502, GN01) from August to October 2015 Principal Investigator	2021-01-25	Final no updates expected

Project: Collaborative Research: Interwoven biogeochemical cycles and biological transformations of mercury and selenium in the upper ocean

Dataset	Version Date	Current State
Total dissolved gaseous mercury in surface waters and in the atmosphere collected aboard the R/V Kilo Moana in the tropical Pacific Ocean from October 2011. Principal Investigator	2019-03-27	Data not available
Selenium observations from the R/V Kilo Moana in the tropical Pacific Ocean from October 2011 Principal Investigator	2018-11-09	Final no updates expected

Project: US GEOTRACES Pacific Meridional Transect (GP15)

Dataset	Version Date	Current State
Gaseous ionic (so-called "reactive") mercury concentration in the atmosphere, measured using cation ion exchange (CEM) membranes on the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1814 & RR1815) on R/V Roger Revelle from Sept-Nov 2018 Principal Investigator	2020-12-14	Final no updates expected
Atmospheric & gaseous mercury from aerosol samples collected using high volume and low volume sampling systems on Leg 2 (Hilo, HI to Papeete, French Polynesia) of the US GEOTRACES PMT cruise (GP15, RR1815) on R/V Roger Revelle from Oct-Nov 2018 Principal Investigator	2020-12-14	Final no updates expected
Atmospheric & gaseous mercury from aerosol samples collected using high volume and low volume sampling systems on Leg 1 (Seattle, WA to Hilo, HI) of the US GEOTRACES PMT cruise (GP15, RR1814) on R/V Roger Revelle from Sept-Oct 2018 Principal Investigator	2020-12-14	Final no updates expected
Total dissolved mercury and methylmercury from rainfall 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 Oct-Nov 2018 Principal Investigator	2020-12-09	Final no updates expected
Total dissolved mercury and methylmercury from rainfall 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 Sept-Oct 2018 Principal Investigator	2020-12-09	Final no updates expected
Dissolved elemental mercury (Hg) from samples collected by the ship’s underway system during 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	2020-12-02	Final no updates expected
Dissolved elemental mercury (Hg) from samples collected by the ship’s underway system during Leg 1 (Seattle, WA to Hilo, HI) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1814) on R/V Roger Revelle from Sept-Oct 2018 Principal Investigator	2020-12-02	Final no updates expected

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

Dataset	Version Date	Current State
Atmospheric total gaseous mercury from the US GEOTRACES Arctic cruise (HLY1502, GN01) from August to October 2015 Principal Investigator	2021-02-19	Final no updates expected
Mercury and methylmercury concentrations in surface snow samples from USCGC Healy HLY1502 in the Canada and Makarov Basins of the Arctic Ocean; Dutch Harbor to Dutch Harbor from August to October 2015 Principal Investigator	2021-01-25	Final no updates expected
Mercury and methylmercury in wet deposition samples from USCGC Healy HLY1502 in the Canada and Makarov Basins of the Arctic Ocean; Dutch Harbor to Dutch Harbor from August to October 2015 Principal Investigator	2021-01-25	Final no updates expected
Mercury and methylmercury concentrations in melt pond water from samples collected during the GEOTRACES Arctic Ocean cruise in 2015 (HLY1502, GN01). Principal Investigator	2021-01-25	Final no updates expected
Mercury and methylmercury concentrations in ice cores from the US GEOTRACES Arctic cruise (HLY1502, GN01) from August to October 2015 Principal Investigator	2021-01-25	Final no updates expected
Mercury and methylmercury concentrations in aerosols from the US GEOTRACES Arctic cruise (HLY1502, GN01) from August to October 2015 Principal Investigator	2021-01-25	Final no updates expected
Measurements of total dissolved gaseous mercury in surface waters from the US GEOTRACES Arctic cruise (HLY1502, GN01) from August to October 2015 Principal Investigator	2021-01-25	Final no updates expected

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Robert P. Mason

Activities reported for Robert P. Mason: