Stable water isotopes (δ18O, δD, d-excess) in the surface water during 4 expeditions from spring to fall in 2019, Mackenzie Delta Region (CA)

Juhls, Bennet; Bécu, Guislain; Oziel, Laurent; Leymarie, Edouard; Matsuoka, Atsushi; Lizotte, Martine; Ferland, Joannie; Béguin, Marine; Laberge-Carignan, Audrey; Guilmette, Caroline; Maury, Juliette; Hilborn, Andrea; Tisserand, Lucas; Devred, Emmanuel; Doxaran, David; Bossé-Demers, Thomas; Meyer, Hanno; Babin, Marcel

Water samples for stable isotopes were collected untreated in 10 mL HDPE vials, sealed tightly, stored in the dark at 4°C. Measurements were conducted at the laboratory facility for stable isotopes at AWI Potsdam using a Finnigan MAT Delta-S mass spectrometer equipped with equilibration units for the online determination of hydrogen and oxygen isotopic composition. The data is given as δD and δ18O values, which is the per mille difference to standard V-SMOW. The deuterium excess (d-excess) is calculated by: d-excess=δD-8.*δ18O. The measurement accuracy for hydrogen and oxygen isotopes was better than ±0.8%¸ and ±0.1%, respectively (Meyer et al., 2000; doi:10.1080/10256010008032939).

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Juhls, Bennet

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Additional Info

Field Value
Identifier DOI:10.1594/PANGAEA.937579
Project(s) NUNATARYUK, Permafrost thaw and the changing Arctic coast, science for socioeconomic adaptation
Institute AWI Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research
Source https://doi.org/10.1594/PANGAEA.937579
Publication Date 2021-10-27
Version 1.0
Product
Sensor mass spectrometer
Files
  1. NunaWP4Mackenzie19_stable_water_isotopes TAB delimited text file
Variables [Units]
  1. Event
  2. Expedition
  3. Latitude
  4. Longitude
  5. Date/Time
  6. Station
  7. Depth water [m]
  8. δ18O [‰] Mass spectrometer Finnigan Delta-S (vs. SMOW)
  9. δD: δ Deuterium [‰ SMOW] Mass spectrometer Finnigan Delta-S
  10. d xs: Deuterium excess [‰] Calculated (d-excess = δD-8*δ18O)
Region Mackenzie Delta Region
Spatial Reference EPSG:4326 WGS 84
Spatial Resolution
Spatial Coverage Latitude 68.264050 to 69.648520, Longitude -138.135120 to -133.031410
Temporal Coverage 2019
Temporal Resolution April - September
Format TXT
Is Supplement To

Juhls, B., Lizotte, M., et al. (2021). Hydrographical, biogeochemical and bio-optical water properties in the Mackenzie Delta Region during 4 expeditions from spring to fall in 2019, https://doi.pangaea.de/10.1594/PANGAEA.937587
Related to

Lizotte, M. Juhls, B. et al. (2023). Nunataryuk field campaigns: Understanding the origin and fate of terrestrial organic matter in the coastal waters of the Mackenzie Delta region. Earth System Science data. Earth Syst. Sci. Data, 15, 1617–1653. https://doi.org/10.5194/essd-15-1617-2023

Juhls, B, Matsuoka, A., Lizotte, M. et al. (2022). Seasonal dynamics of dissolved organic matter in the Mackenzie Delta, Canadian Arctic waters: Implications for ocean colour remote sensing. Remote Sensing of Environment, 283,113327. https://doi.org/10.1016/j.rse.2022.113327.

Dataset extent