Downward vertical flux of size-fractionated Chlorophyll-a and phaeopigments in the northern Barents Sea during August 2018, Nansen Legacy cruise 2018707 JC 1-2 ...

• Main Authors: Bodur, Yasemin V., Dietrich, Ulrike, Svensen, Camilla, Reigstad, Marit
• Format: Dataset
• Language: unknown
• Published: Archive2014 2023
• Subjects: Natural sciences; FOS Natural sciences; Biology; Marine Biology; Biochemistry; Chemistry; Marine chemistry; Barents Sea; Sea ice
• Online Access: https://dx.doi.org/10.11582/2023.00101; https://archive.sigma2.no/pages/public/datasetDetail.jsf?id=10.11582/2023.00101

Samples for sinking mass flux of size-fractionated (>0.7µm and >10µm) Chlorophyll-a and Phaeopigments were collected with short-term drifting sediment traps between 75° and 85°N in the northern Barents Sea with R/V Kronprins Haakon in August 2018 as part of the Nansen Legacy project (cruise 2018707, JC 1-2). High-density bottom water was collected at the station and filtered (Whatman GF/F 0.7µm), and then filled into the trap cylinders (KC Denmark, aspect ratio >6) prior to their deployment. Afterwards, the sediment traps were deployed with 2 or 4 cylinders at each depth (30, 40, 60, 90, 120, 200m) for a duration between 22 to 25 hours. Depending on the sea ice conditions, the sediment traps were deployed in open water, anchored to a sea ice floe or within an ice lead. Upon retrieval, the content of the cylinders from each depth was pooled and stored at 4°C in dark until further analyses. Between 100-300ml were filtered onto 0.7µm GF/F filters (Whatman) for the analysis of Chla and Phaeopigments, ... : 4 data, totaling ...... 28.26 KB ...