Hydrographic (CTD) profiles during 4 expeditions from spring to fall in 2019, Mackenzie Delta Region (CA)

Bécu, Guislain; Juhls, Bennet; Oziel, Laurent; Leymarie, Edouard; Matsuoka, Atsushi; Lizotte, Martine; Ferland, Joannie; Babin, Marcel

During Leg 1, the CTD (CTD RBR Maestro) was manually lowered in the water through an ice hole with a velocity of less than 0.3 ms-1 and an acquisition frequency of 6 Hz, yielding a vertical resolution of a few centimetres. During legs 2 to 4, the CTD (CTD RBR Concerto) was installed on a Seabird Scientific optical package frame, which was deployed with a velocity of 0.3 m s-1 and an acquisition frequency of 8 Hz. Only data from downcasts were used and poor quality profiles, that had been affected by ice-covered sensors, were removed. Atmospheric pressure observed at weather stations near the sampling locations (Aklavik, Inuvik, Shingle Point and Tuktoyaktuk) was used to tare the CTD pressure sensors. CTD profiles were smoothed and binned to a regular 0.01 m depth grid.

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Bécu, Guislain

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Zusätzliche Informationen

Feld Wert
Identifikator DOI:10.1594/PANGAEA.937567
Projekt(e) NUNATARYUK, Permafrost thaw and the changing Arctic coast, science for socioeconomic adaptation
Institut Takuvik International Research Laboratory (IRL 3376), ULaval – CNRS, Biology department, Laval University, Quebec, Canada
Quelle https://doi.org/10.1594/PANGAEA.937567
Publikationsdatum 2021-10-26
Version 1.0
Produkt
Sensor(en) CTD
Dateien
  1. NunaWP4Mackenzie19 CTD TAB delimited text file
Variablen [Einheiten]
  1. Event
  2. Expedition
  3. Latitude
  4. Longitude
  5. Date/Time
  6. Station
  7. Depth water [m]
  8. Temp: Temperature, water [°C] CTD RBR Maestro (Leg 1), CTD RBR Concerto (Leg 2,3,4)
  9. Temp: Temperature, water [°C] Handheldmeter
  10. Sal: Salinity, CTD RBR Maestro (Leg 1), CTD RBR Concerto (Leg 2,3,4)
  11. Sal: Salinity, Handheldmeter
Region Mackenzie Delta Region
Räumlicher Bezug EPSG:4326 WGS 84
Räumliche Auflösung
Räumliche Abdeckung Latitude 68.267000 to 69.649000, Longitude -138.135160 to -133.031410
Zeitliche Abdeckung 2019
Zeitliche Auflösung 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
Zusammenhang mit

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.

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