Absorption coefficients by coloured dissolved organic matter across the South Atlantic Ocean measured at fixed stations with a Liquid Waveguide Capillary Cell system during POLARSTERN cruise PS103

• Main Authors: Bracher, Astrid, Liu, Yangyang, Oelker, Julia, Röttgers, Rüdiger
• Format: Dataset
• Language: English
• Published: PANGAEA 2021
• Subjects: absorption; Absorption coefficient; colored dissolved organic matter at 350 nm; colored dissolved organic matter at 352 nm; colored dissolved organic matter at 354 nm; colored dissolved organic matter at 356 nm; colored dissolved organic matter at 358 nm; colored dissolved organic matter at 360 nm; colored dissolved organic matter at 362 nm; colored dissolved organic matter at 364 nm; colored dissolved organic matter at 366 nm; colored dissolved organic matter at 368 nm; colored dissolved organic matter at 370 nm; colored dissolved organic matter at 372 nm; colored dissolved organic matter at 374 nm; colored dissolved organic matter at 376 nm; colored dissolved organic matter at 378 nm; colored dissolved organic matter at 380 nm; colored dissolved organic matter at 382 nm; colored dissolved organic matter at 384 nm; colored dissolved organic matter at 386 nm; colored dissolved organic matter at 388 nm; colored dissolved organic matter at 390 nm; colored dissolved organic matter at 392 nm; colored dissolved organic matter at 394 nm; colored dissolved organic matter at 396 nm; Alvarez; Arctic; South Atlantic Ocean
• Online Access: https://doi.pangaea.de/10.1594/PANGAEA.938467; https://doi.org/10.1594/PANGAEA.938467

Water samples were taken during the Southern Atlantic expedition PS103 with RV Polarstern from 17 Dec 2016 to 28 Jan 2017. Water samples were collected from CTD Niskin bottles at six different depths from the upper 100 to 180 m. The same water samples as in Bracher (2019) are filtered for CDOM absorption analysis through 0.2 µm filters and analysed onboard with a 2.5-m path length liquid waveguide capillary cell system (LWCC, WPI) following Levering et al. (2017). Details on method adaptation to our instrumentation set-up are provided in Alvarez et al. (2022). Salinity data were extracted from https://doi.pangaea.de/10.1594/PANGAEA.881076.