Meredith Hastings

Affiliation:

Address:

324 Brook Street Box 1846
Providence, RI
USA 02912

ORCiD:

Program coordination

None

Project coordination

GEOTRACES Peru-Tahiti Nitrogen Isotope Measurements (EPZT Nitrogen Isotopes)	Principal Investigator
Collaborative Research: GEOTRACES Arctic Ocean section-Constraining Nitrogen Cycling in the western Arctic Ocean. (US GEOTRACES Arctic Nitrogen Flux)	Principal Investigator
Collaborative Research: GEOTRACES Atlantic Section Nitrate Isotope Measurements (GP12) (GT Atlantic Nitrate)	Principal Investigator
Collaborative Research: Characterization of Reactive Nitrogen in The North Pacific Atmosphere (North Pacific Atmos)	Lead Principal Investigator, Contact

Deployment coordination

None

Datasets

Project: Collaborative Research: Characterization of Reactive Nitrogen in The North Pacific Atmosphere

Dataset	Version Date	Current State
Total organic carbon and total nitrogen content; and nitrogen and oxygen isotope composition of precipitation collected at Qindao, Yantai and Changdao Island, China from May 17, 2019 to August 31, 2020. Principal Investigator	2025-02-13	Final no updates expected
Inorganic nitrogen content; and nitrate, ammonium, and oxygen isotope composition of atmospheric particulates collected on Changdao Island, China from September 22, 2019 to September 5, 2020 Principal Investigator	2025-02-13	Final no updates expected
Total organic carbon, total nitrogen content; and nitrate, ammonium and oxygen isotope composition of atmospheric particulates collected aboard R/V Dong Fang Hong-3 in the western North Pacific from October 31 to December 1, 2019. Principal Investigator	2025-02-13	Final no updates expected
Aerosol composition data of ion concentrations (ammonium, nitrate, nitrite, sodium, chloride, magnesium, calcium, potassium, sulfate); and ammonium and nitrate isotope (15N) of atmospheric particulates collected in Hawaii from March 2021 to August 2022 Principal Investigator	2025-02-13	Final no updates expected
Total organic carbon content, total nitrogen content, and carbon isotope (13C and 14C) composition of atmospheric particulates from aerosol samples collected on the R/V Dong Fang Hong-3 in the western North Pacific from October to December 2019 Principal Investigator	2023-12-28	Final no updates expected

Project: Collaborative Research: GEOTRACES Arctic Ocean section-Constraining Nitrogen Cycling in the western Arctic Ocean.

Dataset	Version Date	Current State
Nitrate (NO3) and oxygen & deuterium isotopic composition from ice pond samples collected on the US GEOTRACES Arctic cruise (HLY1502) from August to October 2015 Principal Investigator	2019-01-24	Final no updates expected
Nitrate (NO3), ammonium (NH4), and oxygen & deuterium isotopic composition from sea ice collected on the US GEOTRACES Arctic cruise (HLY1502) from August to October 2015 Principal Investigator	2019-01-23	Final no updates expected
Nitrate (NO3), ammonium (NH4), and oxygen & deuterium isotopic composition from snow collected on the US GEOTRACES Arctic cruise (HLY1502) from August to October 2015 Principal Investigator	2019-01-22	Final no updates expected
Nitrate (NO3), ammonium (NH4), and oxygen & deuterium isotopic composition from sea ice hole water sampling on the US GEOTRACES Arctic cruise (HLY1502) from August to October 2015 Principal Investigator	2019-01-22	Final no updates expected
Aerosol Nitrate (NO3) from samples collected on the US GEOTRACES Arctic cruise (HLY1502) from August to October 2015 Principal Investigator	2019-01-17	Final no updates expected

Project: GEOTRACES Peru-Tahiti Nitrogen Isotope Measurements

Dataset	Version Date	Current State
Nitrate (NO3) aerosol isotopes from the U.S. GEOTRACES EPZT cruise TN303 on R/V Thomas G. Thompson in the Eastern Tropical Pacific from October to December 2013 Principal Investigator	2017-07-25	Final no updates expected

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

Dataset	Version Date	Current State
Nitrate (NO3) and oxygen & deuterium isotopic composition from ice pond samples collected on the US GEOTRACES Arctic cruise (HLY1502) from August to October 2015 Principal Investigator	2019-01-24	Final no updates expected
Nitrate (NO3), ammonium (NH4), and oxygen & deuterium isotopic composition from sea ice collected on the US GEOTRACES Arctic cruise (HLY1502) from August to October 2015 Principal Investigator	2019-01-23	Final no updates expected
Nitrate (NO3), ammonium (NH4), and oxygen & deuterium isotopic composition from snow collected on the US GEOTRACES Arctic cruise (HLY1502) from August to October 2015 Principal Investigator	2019-01-22	Final no updates expected
Nitrate (NO3), ammonium (NH4), and oxygen & deuterium isotopic composition from sea ice hole water sampling on the US GEOTRACES Arctic cruise (HLY1502) from August to October 2015 Principal Investigator	2019-01-22	Final no updates expected
Aerosol Nitrate (NO3) from samples collected on the US GEOTRACES Arctic cruise (HLY1502) from August to October 2015 Principal Investigator	2019-01-17	Final no updates expected

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

Dataset	Version Date	Current State
Nitrate (NO3) aerosol isotopes from the U.S. GEOTRACES EPZT cruise TN303 on R/V Thomas G. Thompson in the Eastern Tropical Pacific from October to December 2013 Principal Investigator	2017-07-25	Final no updates expected

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