Dennis Hansell

Affiliation:

Address:

Coral Gables, FL
USA 33124

ORCiD:

Program coordination

None

Project coordination

Characterizing a refractory DOC sink in the deep northern North Pacific (North Pacific RDOC)	Lead Principal Investigator, Contact
TRacing the fate of Algal Carbon Export in the Ross Sea (TRACERS)	Principal Investigator
Collaborative Research: Documenting N2 fixation in N deficient waters of the Eastern Tropical South Pacific (N2 fixation ETSP)	Principal Investigator
Preparation and Distribution of DOC Consensus Reference Materials (DOC-CRM)	Principal Investigator, Contact
Collaborative Research: DOC removal in the ocean according to polymer gel theory (DOC REMOVAL)	Principal Investigator
Preparation and Distribution of DOC Consensus Reference Materials 2022-2025 (DOC Reference Materials)	Principal Investigator, Contact

Deployment coordination

Deployment	Synonyms	Platform	Role
MV1310	RDOC, RDOC in the North Pacific, DORC (Deep Ocean Refractory Carbon)	Melville	Chief Scientist
NBP1302	TRACERS 2013	Nathaniel B. Palmer	Chief Scientist
WS22283		F.G. Walton Smith	Chief Scientist

Datasets

Project: Preparation and Distribution of DOC Consensus Reference Materials

Dataset	Version Date	Current State
Consensus Reference Material Collection Data of marine dissolved organic matter collected in the Florida Strait between 2019 and 2023 Principal Investigator, Contact	2023-12-22	Final no updates expected

Project: Quantifying the Photochemical Reactivity of Deep Ocean Water

Dataset	Version Date	Current State
CTD and bottle data: TOM and nutrients from R/V Melville cruise MV1310 in the North Pacific Gulf of Alaska; 48N to 59N and 129W to 153W in 2013 (North Pacific RDOC project) Principal Investigator, Contact	2016-11-28	Final no updates expected
CTD profile data from R/V Melville cruise MV1310 in the North Pacific Gulf of Alaska; 48N to 59N and 129W to 153W in 2013 (North Pacific RDOC project) Principal Investigator, Contact	2014-09-02	Final no updates expected

Project: Expression of Microbial Nitrification in the Stable Isotopic Systematics of Oceanic Nitrite and Nitrate

Dataset	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) Principal Investigator	2015-04-09	Final no updates expected

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

Dataset	Version Date	Current State
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) Principal Investigator	2015-04-09	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) Principal Investigator	2015-04-09	Final no updates expected
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) Principal Investigator	2016-02-29	Final no updates expected

Project: TRacing the fate of Algal Carbon Export in the Ross Sea

Dataset	Version Date	Current State
DOC, TDN, and Nutrients from the RVIB Nathaniel B. Palmer NBP1302 cruise in the Ross Sea during 2013 (TRACERS project) Principal Investigator, Contact	2015-09-30	Final no updates expected
Data report from the RVIB Nathaniel B. Palmer NBP1302 cruise in the Ross Sea during 2013 (TRACERS project) Principal Investigator	2015-02-04	Final no updates expected
Cruise track from the RVIB Nathaniel B. Palmer NBP1302 cruise in the Ross Sea during 2013 (TRACERS project) Principal Investigator	2015-02-04	Final no updates expected

Project: Characterizing a refractory DOC sink in the deep northern North Pacific

Dataset	Version Date	Current State
CTD and bottle data: TOM and nutrients from R/V Melville cruise MV1310 in the North Pacific Gulf of Alaska; 48N to 59N and 129W to 153W in 2013 (North Pacific RDOC project) Principal Investigator, Contact	2016-11-28	Final no updates expected
CTD profile data from R/V Melville cruise MV1310 in the North Pacific Gulf of Alaska; 48N to 59N and 129W to 153W in 2013 (North Pacific RDOC project) Principal Investigator, Contact	2014-09-02	Final no updates expected
Cruise track position data from R/V Melville cruise MV1310 in the North Pacific Gulf of Alaska; 48N to 59N and 129W to 153W in 2013 (North Pacific RDOC project) Principal Investigator	2014-08-29	Final no updates expected

Project: U.S. JGOFS Synthesis and Modeling

Dataset	Version Date	Current State
Estimates of meridional transport of carbon dioxide from a 1998 Ronald Brown transect at 24.5 North in the North Atlantic Ocean (U.S. JGOFS Synthesis & Modeling Phase project results) Co-Principal Investigator	2004-06-04	Final no updates expected

Project: Eddies Dynamics, Mixing, Export, and Species composition

Dataset	Version Date	Current State
Nutrients: low-level nitrite+nitrate and phosphate from R/V Oceanus OC404-01, OC404-04, OC415-01, OC415-03 cruises in the Sargasso Sea, 2004-2005 (EDDIES project) Principal Investigator	2007-11-16	Final no updates expected
Dissolved Organic Matter, nutrients and CTD data collected during R/V Oceanus cruise OC404-01 and R/V Weatherbird II cruise WB0409 in the Sargasso Sea in June 2004 (EDDIES project) Principal Investigator	2007-05-24	Final no updates expected
Organic matter and nutrients; del-15N, del-13C, POC, POM from R/V Oceanus OC404-01, OC404-04 in the Sargasso Sea from 2004-2004 (EDDIES project) Principal Investigator	2007-11-02	Final no updates expected

Project: U.S. JGOFS Antarctic Environment and Southern Ocean Process Study

Dataset	Version Date	Current State
Total organic carbon (TOC) from CTD casts from RVIB Nathaniel B. Palmer, R/V Roger Revelle NBP-97-3, KIWI6, KIWI7, KIWI8, KIWI9 cruises in the Southern Ocean, 1997-1998 (U.S. JGOFS AESOPS project) Principal Investigator	2002-09-03	Final no updates expected
Dissolved organic carbon (DOC) from bottle casts from RVIB Nathaniel B. Palmer NBP-96-4A, NBP-97-1, NBP-97-8 cruises in the Southern Ocean in 1997 (U.S. JGOFS AESOPS project) Principal Investigator	1999-04-27	Final no updates expected

Project: U.S. JGOFS Arabian Sea

Dataset	Version Date	Current State
Total organic carbon profile data from R/V Thomas G. Thompson TT043, TT045, TT049, TT050, TT053, TT054 cruises in the Arabian Sea in 1995 (U.S. JGOFS Arabian Sea project) Principal Investigator	2001-05-08	Final no updates expected
Total organic nitrogen data from CTD casts from R/V Thomas G. Thompson TT043, TT045, TT049, TT050, TT053, TT054 cruises in the Arabian Sea in 1995 (U.S. JGOFS Arabian Sea project) Principal Investigator	2001-05-08	Final no updates expected

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