Dataset: Size fractionated organic C and N concentrations and stable isotopes from the Eastern Tropical North Pacific on the R/V Kilo Moana cruise KM1920 in October 2019

Final no updates expectedDOI: 10.26008/1912/bco-dmo.948682.1Version 1 (2025-02-03)Dataset Type:Cruise Results

Principal Investigator: Jacob A. Cram (University of Maryland Center for Environmental Science)

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

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

Size fractionated Organic Particle Carbon and Nitrogen concentrations and stable C and N isotopes from the Eastern Tropical North Pacific were obtained from the R/V Kilo Moana on cruise KM1920 in the Eastern Tropical North Pacific at two stations in October 2019: St P2 (16.9°N 107°W) and St P3 (21.8°N 109.9°W). These two stations included an anoxic Oxygen Deficient Zone from 110-820 m for St P2 and 160-650 m for St P3. For size fractionated particulate organic C and N analyses, water was ob...

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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

Fuchsman, C., Cram, J. A. (2025) Size fractionated organic C and N concentrations and stable isotopes from the Eastern Tropical North Pacific on the R/V Kilo Moana cruise KM1920 in October 2019. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2025-02-03 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.948682.1 [access date]

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Funded by the U.S. National Science Foundation