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Angela N. Knapp

Affiliation: Florida State University (FSU)

Address: []

Orcid: 0000-0001-5575-3382

Project: Collaborative Research: Documenting N2 fixation in N deficient waters of the Eastern Tropical South Pacific (4 datasets)

Dataset	Latest Version Date	Current State
15N2-based N2 fixation rates from the Eastern Tropical South Pacific collected on the R/V Atlantis (AT15-61) and R/V Melville (MV1104) in 2010-2011 (N2 fixation ETSP project) Roles: Contact, Co-Principal Investigator	2016-02-29	Final no updates expected
Nitrate + nitrite concentration and d15N from the Eastern Tropical South Pacific collected on the R/V Atlantis (AT15-61) and R/V Melville (MV1104) in 2010-2011 (N2 fixation ETSP project, Microbial Nitrification project) Roles: Contact, Co-Principal Investigator	2015-04-09	Final no updates expected
PNsink mass flux and d15N from floating sediment trap deployments collected on the R/V Atlantis (AT15-61) and R/V Melville (MV1104) in 2010-2011 (N2 fixation ETSP project) Roles: Contact, Co-Principal Investigator	2015-04-09	Final no updates expected
Measurements of dissolved organic nitrogen concentration and d15N from R/V Atlantis and R/V Melville cruises in the Eastern Tropical South Pacific from 2010 to 2011. Roles: Contact, Principal Investigator	2018-03-06	Final no updates expected

Project: Expression of Microbial Nitrification in the Stable Isotopic Systematics of Oceanic Nitrite and Nitrate (4 datasets)

Dataset	Latest Version Date	Current State
Nitrate + nitrite concentration and d15N from the Eastern Tropical South Pacific collected on the R/V Atlantis (AT15-61) and R/V Melville (MV1104) in 2010-2011 (N2 fixation ETSP project, Microbial Nitrification project) Roles: Contact, Co-Principal Investigator	2015-04-09	Final no updates expected
Measurements of dissolved organic nitrogen concentration and d15N from R/V Atlantis and R/V Melville cruises in the Eastern Tropical South Pacific from 2010 to 2011. Roles: Contact, Principal Investigator	2018-03-06	Final no updates expected
Dissolved nitrite and ammonium concentration data from R/V Atlantis (AT15-61) cruise in Jan-Feb 2010 and R/V Melville (MV1104) cruise in Mar-Apr 2011 in the Eastern Tropical South Pacific Role: Scientist	2020-08-06	Final no updates expected
Processed CTD data from cruises R/V Atlantis (AT15-61) in Jan-Feb 2010 and R/V Melville (MV1104) in Mar-Apr 2011 in the Eastern Tropical South Pacific Role: Co-Chief Scientist	2020-10-28	Final no updates expected

Project: Quantifying nitrogen fixation along unique geochemical gradients in the southwest Pacific Ocean (4 datasets)

Dataset	Latest Version Date	Current State
Water column nitrate+nitrite d15N measurements from R/V L'Atalante in the southwest Pacific Ocean between New Caledonia and Tahiti from February to March 2015 Roles: Principal Investigator, Contact	2018-04-11	Final no updates expected
Dissolved and sinking particulate organic nitrogen data from a large volume mesocosm experiment in the Noumea Lagoon, New Caledonia, measured from January to February 2013 Roles: Principal Investigator, Contact	2018-07-10	Final no updates expected
Water column nitrate+nitrite d15N and d18O and total dissolved nitrogen d15N measurements from R/V Ka`imikai-O-Kanaloa cruise KOK1806 (HOT LAVA) in July 2018 Role: Principal Investigator	2019-06-18	Final no updates expected
Water column nitrate+nitrite d15N and d18O from samples collected during R/V Pelican and R/V F.G. Walton Smith cruises in the Gulf of Mexico and Florida Straits between 2011 and 2018 Role: Principal Investigator	2019-11-21	Final no updates expected

Project: Collaborative Research: Quantifying the effects of variable light and iron on the nitrate assimilation isotope effect of phytoplankton (1 datasets)

Dataset	Latest Version Date	Current State
Nitrate plus nitrite isotopic compositions from Leg 1 of the Antarctic Circumnavigation Expedition (ACE) research cruise onboard the R/V Akademik Treshnikov from December 2016 to January 2017 Role: Principal Investigator	2023-07-18	Final no updates expected

Project: Collaborative Research: Mesoscale variability in nitrogen sources and food-web dynamics supporting larval southern bluefin tuna in the eastern Indian Ocean (1 datasets)

Dataset	Latest Version Date	Current State
Nutrients, nitrate isotopes, and DON isotopes data from samples collected in the Gulf of Mexico on R/V Nancy Foster cruises NF1704 and NF1802 in May 2017 and May 2018 Role: Principal Investigator	2020-12-31	Final no updates expected

Project: Collaborative Research: Dissolved organic phosphorus controls on marine nitrogen fixation and export production (2 datasets)

Dataset	Latest Version Date	Current State
DOP concentration observations from the global ocean between 1990 and 2021 (DOP N2 fixation and export production project) Role: Principal Investigator	2023-08-15	Final no updates expected
Water column nitrate plus nitrite d15N measurements from seawater collected in November 2019 and November 2020 in the Western Tropical South Pacific Role: Principal Investigator	2023-04-03	Final no updates expected

Project: Collaborative Research: Linking iron and nitrogen sources in an oligotrophic coastal margin: Nitrogen fixation and the role of boundary fluxes (1 datasets)

Dataset	Latest Version Date	Current State
Dissolved Macronutrient Concentrations from Depth Profiles and Incubation Experiments from STING I Cruise AE2305 on R/V Atlantic Explorer in the Gulf of Mexico from February to March 2023 Role: Co-Principal Investigator	2024-06-04	Preliminary and in progress