Trial B test of the dissolution method for estimates of the 15N2 atom% of incubations

Dataset: trial_b The “dissolution” method to measure N2 fixation rates with 15N2 gas tracer involves the preparation of 15N2-enriched water that is then added to each incubation bottle. Investigators typically measure the 15N2 atom% of the 15N2-enriched inoculum by MIMS, and extrapolate the 15N2 ato...

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Bibliographic Details
Main Authors: Granger, Julie, Bourbonnais, Annie, Wilson, Samuel
Format: Dataset
Language:English
Published: Biological and Chemical Oceanography Data Management Office (BCO-DMO). Contact: bco-dmo-data@whoi.edu 2019
Subjects:
Pacific
North Atlantic
Online Access:https://hdl.handle.net/1912/25121
Description
Summary:Dataset: trial_b The “dissolution” method to measure N2 fixation rates with 15N2 gas tracer involves the preparation of 15N2-enriched water that is then added to each incubation bottle. Investigators typically measure the 15N2 atom% of the 15N2-enriched inoculum by MIMS, and extrapolate the 15N2 atom% in the incubations based on the inoculum value. Here, we demonstrate that such extrapolation yields inaccurate estimates of the 15N2 atom% of incubations. The latter should be measured directly. For a complete list of measurements, refer to the full dataset description in the supplemental file 'Dataset_description.pdf'. The most current version of this dataset is available at: https://www.bco-dmo.org/dataset/778158 NSF Division of Ocean Sciences (NSF OCE) OCE-1732246

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