Year-round discrete underway water column Chlorophyll a concentrations from the central Arctic ...

Near-daily concentrations of Chlorophyll a and phaeopigments from RV Polarsterns underway water supply system (inlet at 11m water depth) collected during legs 1,3,4, and 5 of the MOSAiC (PS122) drift expedition in the central Arctic Ocean. 2-4L of water were filtered onto pre-combusted GF/F filters...

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Bibliographic Details
Main Authors: Hoppe, Clara Jule Marie, Creamean, Jessie, Bowman, Jeff S, Heitmann, Laura, Chamberlain, Emelia, Brenneis, Tina, Terbrüggen, Anja, Vortkamp, Martina
Format: Dataset
Language:English
Published: PANGAEA 2023
Subjects:
Arctic Ocean
Chl-a
CHLa
Mosaic
MOSAiC20192020
MOSAiC_ECO
pigments
Polarstern
under ice
Event label
Leg Number
Activity description
Cast number
DATE/TIME
Device type
LATITUDE
LONGITUDE
DEPTH, water
Volume
Chlorophyll a
Phaeopigments
Underway water sampling
Tap
Pigments, Turner fluorometer
Acidification method according to Knap et al. 1996
PS122/1
PS122/3
PS122/4
PS122/5
Multidisciplinary drifting Observatory for the Study of Arctic Climate MOSAiC
Arctic
Online Access:https://dx.doi.org/10.1594/pangaea.962597
https://doi.pangaea.de/10.1594/PANGAEA.962597
Description
Summary:Near-daily concentrations of Chlorophyll a and phaeopigments from RV Polarsterns underway water supply system (inlet at 11m water depth) collected during legs 1,3,4, and 5 of the MOSAiC (PS122) drift expedition in the central Arctic Ocean. 2-4L of water were filtered onto pre-combusted GF/F filters (nominal pore size 0.7µm) and frozen at -80°C. Samples were subsequently extracted in 90°C acetone, homogenized using a cell mill, and measured on the following day using a Turner flourometer, followed by an acidification step to determine phaeopigments (see Knap et al. 1996 for details and calculations). Samples were collected from end of October 2019 to beginning of October 2020, with a gap between mid-December and the end of February. ...

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