Peter N. Sedwick

Affiliation:

Address:

Ocean, Earth & Atmospheric Sciences
4600 Elkhorn Ave.
Norfolk, VA
USA 23529

ORCiD:

Program coordination

None

Project coordination

Controls of Ross Sea Algal Community Structure (CORSACS)	Co-Principal Investigator
Processes Regulating Iron Supply at the Mesoscale - Ross Sea (PRISM-RS)	Co-Principal Investigator
US GEOTRACES Pacific Section-Shipboard Al, Mn and Fe (EPZT Shipboard Al Mn Fe)	Principal Investigator, Contact
Collaborative Research: Impacts of atmospheric nitrogen deposition on the biogeochemistry of oligotrophic coastal waters (DANCE)	Co-Principal Investigator
Impact of Convective Processes and Sea Ice Formation on the Distribution of Iron in the Ross Sea: Closing the Seasonal Cycle (PIPERS)	Principal Investigator, Contact
NSFGEO-NERC: Collaborative Research: Using Time-series Field Observations to Constrain an Ocean Iron Model (BAIT)	Lead Principal Investigator, Contact
Collaborative Research: Are Low-Temperature Hydrothermal Vents an Important but Overlooked Source of Stabilized Dissolved Iron to the Ocean? (PLUME RAIDERS)	Principal Investigator, Contact
US GEOTRACES GP17 Section: Amundsen Sea Sector of the Antarctic Continental Margin (GP17-ANT) (GP17-ANT)	Principal Investigator

Deployment coordination

None

Datasets

Project: NSFGEO-NERC: Collaborative Research: Using Time-series Field Observations to Constrain an Ocean Iron Model

Dataset	Version Date	Current State
Atmospheric concentrations of aerosol iron from samples collected at Tudor Hill Bermuda between November 2018 and March 2020. Principal Investigator	2023-08-26	Final no updates expected
Total dissolvable iron concentrations in rainwater from weekly sampling at Tudor Hill Bermuda between November 2018 and March 2020. Principal Investigator	2023-08-25	Final no updates expected

Project: Impact of Convective Processes and Sea Ice Formation on the Distribution of Iron in the Ross Sea: Closing the Seasonal Cycle

Dataset	Version Date	Current State
Trace metals, hydrography, and fluorescence from CTD casts on the RVIB Nathaniel B. Palmer (cruise NBP1704) in the Ross Sea, Antarctica from April to May 2017 Principal Investigator, Contact	2021-07-22	Final no updates expected

Project: Collaborative Research: Impacts of atmospheric nitrogen deposition on the biogeochemistry of oligotrophic coastal waters

Dataset	Version Date	Current State
Nutrients and iron in shipboard aerosol and rain samples collected during R/V Hugh R. Sharp cruise HRS1414 in the Mid-Atlantic Bight and northern South-Atlantic Bight from July to August of 2014 (DANCE project) Principal Investigator, Contact	2018-06-18	Final no updates expected
Dissolved inorganic nitrogen, chlorophyll-a, and primary production from bioassay experiments during the R/V Hugh R. Sharp cruise HRS1414 in the Mid and South-Atlantic Bight in August of 2014 (DANCE project) Principal Investigator, Contact	2018-04-25	Final no updates expected
Trace-metals from CTD casts and underway water samples collected during the R/V Hugh R. Sharp cruise HRS1414 in the Mid and South-Atlantic Bight in August of 2014 (DANCE project) Principal Investigator, Contact	2018-04-25	Final no updates expected
Net primary production and nutrient data from R/V Hugh R. Sharp cruise HRS1414 CTD casts in the Mid and South-Atlantic Bight from July to August of 2014 (DANCE project) Co-Principal Investigator	2018-04-19	Final no updates expected

Project: Operation of a Community Marine-Atmospheric Sampling Facility at Tudor Hill, Bermuda

Dataset	Version Date	Current State
Atmospheric concentrations of aerosol iron from samples collected at Tudor Hill Bermuda between November 2018 and March 2020. Principal Investigator	2023-08-26	Final no updates expected
Total dissolvable iron concentrations in rainwater from weekly sampling at Tudor Hill Bermuda between November 2018 and March 2020. Principal Investigator	2023-08-25	Final no updates expected

Project: US GEOTRACES Pacific Section-Shipboard Al, Mn and Fe

Dataset	Version Date	Current State
Concentrations of dissolved aluminum (Al) in samples collected during the U.S. GEOTRACES EPZT cruise (R/V Thomas G. Thompson TN303) from October to December 2013 Co-Principal Investigator	2020-07-30	Final with updates expected
Concentrations of dissolved manganese (Mn) in water-column samples from major stations that were occupied during the U.S. GEOTRACES EPZT cruise (R/V Thomas G. Thompson TN303) from October to December 2013 Co-Principal Investigator	2017-06-30	Final no updates expected
Water-column dissolved iron (Fe) concentrations for major stations occupied during U.S. GEOTRACES EPZT cruise (R/V Thomas G. Thompson TN303) from October to December 2013; post-cruise analyses conducted at Old Dominion University Principal Investigator	2016-12-19	Final no updates expected

Project: U.S. GEOTRACES East Pacific Zonal Transect (GP16)

Dataset	Version Date	Current State
Concentrations of dissolved aluminum (Al) in samples collected during the U.S. GEOTRACES EPZT cruise (R/V Thomas G. Thompson TN303) from October to December 2013 Co-Principal Investigator	2020-07-30	Final with updates expected
Concentrations of dissolved manganese (Mn) in water-column samples from major stations that were occupied during the U.S. GEOTRACES EPZT cruise (R/V Thomas G. Thompson TN303) from October to December 2013 Co-Principal Investigator	2017-06-30	Final no updates expected
Water-column dissolved iron (Fe) concentrations for major stations occupied during U.S. GEOTRACES EPZT cruise (R/V Thomas G. Thompson TN303) from October to December 2013; post-cruise analyses conducted at Old Dominion University Principal Investigator	2016-12-19	Final no updates expected

Project: Processes Regulating Iron Supply at the Mesoscale - Ross Sea

Dataset	Version Date	Current State
VPR data from RVIB Nathaniel B. Palmer NBP1201 in the Ross Sea from Dec. 2011 - Feb. 2012 (PRISM-RS project) Co-Principal Investigator	2015-10-09	Final no updates expected
Chemical and biological data from CTD Niskin bottle samples from RVIB Nathaniel B. Palmer NBP1201 in the Ross Sea from 2011-2012 (PRISM-RS project) Co-Principal Investigator	2017-05-31	Final no updates expected

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

Dataset	Version Date	Current State
Concentrations of dissolved iron and dissolved iron(II) from R/V Knorr cruises KN199-04 and KN204-01 in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) Principal Investigator	2013-11-05	Final no updates expected

Project: Controls of Ross Sea Algal Community Structure

Dataset	Version Date	Current State
Iron and nutrients from underway samples from RVIB Nathaniel B. Palmer NBP0601, NBP0608 cruises in the Ross Sea Southern Ocean (CORSACS project) Principal Investigator	2009-09-01	Preliminary and in progress
Iron and nutrients from water column samples from RVIB Nathaniel B. Palmer NBP0601, NBP0608 cruises in the Ross Sea Southern Ocean (CORSACS project) Principal Investigator	2009-09-01	Final no updates expected

Database