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Meredith Hastings

Affiliation: Brown University

Address: []

Orcid: 0000-0001-6716-6783

Project: U.S. GEOTRACES East Pacific Zonal Transect (GP16) (1 datasets)

Dataset	Latest 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 Role: Principal Investigator	2017-07-25	Final no updates expected

Project: U.S. Arctic GEOTRACES Study (GN01) (5 datasets)

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

Project: GEOTRACES Peru-Tahiti Nitrogen Isotope Measurements (1 datasets)

Dataset	Latest 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 Role: Principal Investigator	2017-07-25	Final no updates expected

Project: Collaborative Research: GEOTRACES Arctic Ocean section-Constraining Nitrogen Cycling in the western Arctic Ocean. (5 datasets)

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

Project: Collaborative Research: Characterization of Reactive Nitrogen in The North Pacific Atmosphere (5 datasets)

Dataset	Latest Version Date	Current State
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 Role: Principal Investigator	2023-12-28	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 Role: 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. Role: 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 Role: Principal Investigator	2025-02-13	Final no updates expected
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. Role: Principal Investigator	2025-02-13	Final no updates expected