Dataset: Suspended Organic Particle concentration and stable C and N isotopes from the Eastern Tropical North Pacific in April 2018 (R/V Roger Revelle RR1805) and October 2019 (R/V Kilo Moana KM1920)

ValidatedFinal no updates expectedDOI: 10.26008/1912/bco-dmo.948637.1Version 1 (2025-01-17)Dataset Type:Cruise Results

Principal Investigator: Clara Fuchsman (University of Maryland Center for Environmental Science)

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

Program: Dimensions of Biodiversity (Dimensions of Biodiversity)

Project: Dimensions: Diversity, assembly and function of microbial communities on suspended and sinking particles in a marine Oxygen Deficient Zone (ETNP_ParticleOmics)

Abstract

Suspended Organic Particle Carbon and Nitrogen concentrations and stable C and N isotopes were obtained from the Eastern Tropical North Pacific on the R/V Revelle cruise RR1805 in April 2018 and the R/V Kilo Moana cruise KM1920 in October 2019. R/V Revelle cruise RR1805 sampled two stations in 2018: St P2 (16.9ºN 107ºW) and St P1 (20.3 °N 106.1°W). These two stations included an anoxic Oxygen Deficient Zone from 105-820 m for St P2 and 68-800 m for St P1. The R/V Kilo Moana cruise KM1920 sampled...

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These data were supported by NSF award DEB-1542240 and Horn Point Laboratory startup funds.

Results publication in review:
Fuchsman, C.A. and Cram, J.A. (in review) Size fractionated suspended organic carbon and nitrogen from the offshore Eastern Tropical North Pacific Oxygen Deficient Zone suggest contributions of picocyanobacteria and vertically migrating metazoans to organic matter. Global Biogeochemical Cycles
*preprint available at ESS Open Archive (Fuchsman & Cram 2024, doi:10.22541/essoar.173046855.50289201/v1)

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Results
Fuchsman, C. A., & Cram, J. A. (2024). Size fractionated suspended organic carbon and nitrogen from the offshore Eastern Tropical North Pacific Oxygen Deficient Zone suggest contributions of picocyanobacteria and vertically migrating metazoans to organic matter. https://doi.org/10.22541/essoar.173046855.50289201/v1
Results
Fuchsman, C. A., Duffy, M. E., Cram, J. A., Huanca-Valenzuela, P., Gregory, B. P., Plough, L., Pierson, J. J., Fitzgerald, C. L., Devol, A. H., & Keil, R. G. (2024). Contributions of Vertically Migrating Metazoans to Sinking and Suspended Particulate Matter Fuel N2 production in the Eastern Tropical North Pacific Oxygen Deficient Zone. https://doi.org/10.22541/essoar.172745075.56787778/v1

Fuchsman, C. (2025) Suspended Organic Particle concentration and stable C and N isotopes from the Eastern Tropical North Pacific in April 2018 (R/V Roger Revelle RR1805) and October 2019 (R/V Kilo Moana KM1920). Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2025-01-17 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.948637.1 [access date]

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Funded by the U.S. National Science Foundation