Margaret Mulholland

Affiliation:

Address:

Department of Ocean, Earth, and Atmospheric Sciences
4600 Elkhorn Ave.
Norfolk, VA
USA 23529-0276

Program coordination

None

Project coordination

CO2 control of oceanic nitrogen fixation and carbon flow through diazotrophs (Diaz N2-Fix in High CO2)	Co-Principal Investigator
Dinitrogen fixation rates and diazotrophic communities in contrasting oxygen regimes of the Eastern Pacific Ocean (N2 Fixation in ETP)	Lead Principal Investigator
Cyanate in the Sea: Sources, Sinks, and Quantitative Significance (CyanateInTheSea)	Principal Investigator, Contact
Collaborative Research: Impacts of atmospheric nitrogen deposition on the biogeochemistry of oligotrophic coastal waters (DANCE)	Principal Investigator

Deployment coordination

Deployment	Synonyms	Platform	Role
AT26-26		Atlantis	Chief Scientist
HRS1610	Cyanate In the Sea	Hugh R. Sharp	Chief Scientist
RB1603	RHB1603	Ronald H. Brown	Chief Scientist

Datasets

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) Co-Principal Investigator	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) Co-Principal Investigator	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) Co-Principal Investigator	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) Principal Investigator	2018-04-19	Final no updates expected

Project: Cyanate in the Sea: Sources, Sinks, and Quantitative Significance

Dataset	Version Date	Current State
Particulate Carbon and Nitrogen data from CTD casts from R/V Hugh R. Sharp HRS1610 in the Mid-Atlantic coastal waters from August 2016 (CyanateInTheSea project) Chief Scientist, Principal Investigator, Contact	2024-02-19	Preliminary and in progress
Station CTD profiles from R/V Hugh R. Sharp HRS1610 in the Mid-Atlantic coastal waters from August 2016 (CyanateInTheSea project) Chief Scientist, Principal Investigator, Contact	2024-02-19	Preliminary and in progress
Bottle sample data from CTD casts from R/V Hugh R. Sharp HRS1610 in the Mid-Atlantic coastal waters from August 2016 (CyanateInTheSea project) Chief Scientist, Principal Investigator	2024-02-16	Preliminary and in progress

Database