Methane and nitrous oxide dissolved gas concentrations from rivers in the North American Arctic (2017–2019)


This dataset contains methane and nitrous oxide dissolved gas concentration and dissolved methane carbon isotope data from rivers in the Canadian Arctic Archipelago region collected between 2017-2019. River samples were collected during CCGS Amundsen cruises using a helicopter to travel to the rivers. At each river site, river water was pumped through tubing using a peristaltic pump. Water was collected into glass serum bottles and allowed to overflow three times before preserving with mercuric chloride and sealing with butyl rubber stoppers and aluminum crimp seals. Gas concentrations were determined using a purge and trap system coupled to a gas chromatograph/mass spectrometer, following the method of Capelle et al. (2015). For methane 𝛿13C, samples (one sample per event) were pre-concentrated through a purge and trap system (Finnigan PreCon Trace Gas Pre-Concentrator) and measured with a Finnigan Delta XP Plus mass spectrometer following the method of Damm et al. (2015).

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Metadata Access
Creator Manning, Cara C M ORCID logo; Zheng, Zhiyin; Fenwick, Lindsay; McCulloch, Ross D ORCID logo; Damm, Ellen ORCID logo; Izett, Robert W ORCID logo; Williams, William J; Zimmermann, Sarah; Vagle, Svein; Tortell, Philippe Daniel ORCID logo
Publisher PANGAEA
Publication Year 2022
Rights Creative Commons Attribution 4.0 International;
OpenAccess true
Resource Type Dataset
Format text/tab-separated-values
Size 230 data points
Discipline Biogeochemistry; Biospheric Sciences; Geosciences; Natural Sciences
Spatial Coverage (-104.948W, 67.703S, -67.997E, 80.843N); Canadian Arctic Archipelago
Temporal Coverage Begin 2017-08-02T22:07:00Z
Temporal Coverage End 2019-08-13T15:15:00Z