Dataset: CTD bottle data matched to dissolved, inorganic nutrient concentrations and to stable isotope measurements of particulate nitrogen and carbon rom R/V Melville cruise MV1110 in the Western Tropical North Atlantic in 2011

ValidatedFinal no updates expectedDOI: 10.26008/1912/bco-dmo.919848.1Version 1 (2024-02-07)Dataset Type:Cruise Results

Principal Investigator: Joseph Montoya (Georgia Institute of Technology)

Co-Principal Investigator: Patricia L. Yager (University of Georgia)

Contact: Erica Strope (Georgia Institute of Technology)

BCO-DMO Data Manager: Amber D. York (Woods Hole Oceanographic Institution)


Program: Marine Microbiology Initiative (MMI)

Program: Integrated Marine Biogeochemistry and Ecosystem Research -US (IMBER-US)

Program: Ocean Carbon and Biogeochemistry (OCB)

Program: Emerging Topics in Biogeochemical Cycles (ETBC)

Project: Amazon iNfluence on the Atlantic: CarbOn export from Nitrogen fixation by DiAtom Symbioses (ANACONDAS)


Abstract

CTD bottle data matched to dissolved, inorganic nutrient concentrations and to stable isotope measurements of particulate nitrogen and carbon.

Hydrographic data and water samples collected during casts with a CTD-rosette system (SBE911plus equipped with a fluorometer, transmissometer, oxygen sensor, and a PAR sensor)

Nutrient samples were run at sea using a Lachat QuickChem 8000 flow-injection analyzer equipped with the following methods:

Phosphate                    31-115-01-1-I
Silicate                                     31-114-27-1-B
Nitrate+Nitrite             31-107-04-1-A
Nitrite                          31-107-05-1-A

Particle (particulate N and C) samples for stable isotope (d15N, d13C) were collected and analyzed following methods in Montoya et al. 2002. 


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Results

Montoya, J. P., Carpenter, E. J., & Capone, D. G. (2002). Nitrogen fixation and nitrogen isotope abundances in zooplankton of the oligotrophic North Atlantic. Limnology and Oceanography, 47(6), 1617–1628. doi:10.4319/lo.2002.47.6.1617
Methods

Gruber, N., & Sarmiento, J. L. (1997). Global patterns of marine nitrogen fixation and denitrification. Global Biogeochemical Cycles, 11(2), 235–266. Portico. https://doi.org/10.1029/97gb00077