• Media type: E-Book; Report
  • Title: Investigating connectivity between Arctic freshwater outflow, Atlantic biogeochemistry and AMOC, Cruise No. MSM130, July 9 - August 14 2024, Reykjavik (Iceland) - Reykjavik (Iceland) ; POLAR BEAST
  • Contributor: Achterberg, Eric P. [Author]; Hopwood, Mark J. [Author]; Bogner, Boie [Author]; Wilstermann, Carmen [Author]; Schreiber, Lennart [Author]; Jin, Xuewei [Author]; Huang, Xin [Author]; Cloete, Ryan [Author]; Burmester, Anne [Author]; Frankholz, Lisa [Author]; Trudonowska, Emilia [Author]; Camin, Capucine [Author]; Patteri Vijayan, Apsara [Author]; Brinkmann, Inda [Author]; Esposito, Mario [Author]; Zimmermann, Heike [Author]; Guo, Yuping [Author]; Marin Arias, Camila [Author]; Stryj, Malte [Author]; Streuff, Katharina Teresa [Author]; Taenzer, Lukas [Author]; Oliver, Hilde [Author]
  • Published: Begutachterpanel Forschungsschiffe, 2024
  • Extent: text
  • Language: English
  • DOI: https://doi.org/10.48433/cr_msm130
  • Origination:
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  • Description: Cruise MSM130 on MARIA S. MERIAN took place in the high latitude North Atlantic Ocean, in the waters on the eastern side of Greenland. The cruise took place in the period July 9 to August 14, 2024. The high latitude North Atlantic and Arctic Oceans are visibly affected by anthropogenic climate change through ocean warming, freshening, acidification, increased cryosphere and river discharge, and rapid acceleration of sea ice loss. The changing dynamics at polar ice-ocean- atmosphere interfaces have far-reaching implications for the Earth’s climate on diverse timescales through feedbacks on atmospheric circulation, oceanic mixing, circulation and carbon sequestration, and greenhouse gas sources and sinks. The overall goals of the POLAR BEAST cruise are achieved through observations and modelling, and are: (i) to investigate the role of Arctic sea ice loss as a driver of global change, (ii) to quantify chemical and physical processes at the ice- ocean-atmosphere interface that may constitute poorly-characterized climatic feedbacks in the Earth system. We investigated the key physical, chemical and biological factors determining salinity distribution, ocean productivity, greenhouse gas exchange and sediment carbon concentrations. The cruise sailed along the East Greenland coast and into fjord systems to capture land-ocean exchange, gradients in salinity, primary production and historical carbon export (from cores), with observations of water column biogeochemistry, ocean physics, in combination with satellite observations. Our improved understanding will be used to improve model projections of Arctic and low latitude systems under future climate scenarios. Zusammenfassung Die Fahrt MSM130 der MARIA S. MERIAN fand in den hohen Breiten des Nordatlantiks, in den Gewässern östlich von Grönland statt. Die Fahrt fand im Zeitraum vom 9. Juli bis 14. August 2024 statt. Der Nord Atlantik auf hohen Breitengraden und der Arktische Ozean sind sichtbar vom anthropogenen Klimawandel betroffen, der durch Erwärmung der Ozeane, ...
  • Access State: Open Access