Methane Sulphonic Acid in East Antarctic Coastal Firn and Ice Cores and Its Relationship with Chlorophyll-a and Sea Ice Extent in the Southern Ocean

• Main Author: Nilsson, Emma
• Format: Bachelor Thesis
• Language: English
• Published: Uppsala universitet, Institutionen för geovetenskaper 2022
• Subjects: methane sulphonic acid; firn cores; sea ice proxy; marine primary productivity; Fimbul Ice Shelf; Dronning Maud Land; metansulfonsyra; firnkärnor; havsis-proxy; marin primärproduktion; Fimbulisen; Physical Geography; Naturgeografi; Antarctic; Arctic; Austral; Blåskimen; East Antarctica; Kupol; Moskovskij; Southern Ocean; Weddell; Weddell Sea; Antarc*; Antarctica; Antarktis*; Blåskimen Island; ice core; Ice Shelf; Phytoplankton; Sea ice
• Online Access: http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-481781

The seasonal retreat of sea ice in the austral spring and summer around Antarctica has a significant effect on phytoplankton activity, mainly due to light availability, meltwater input of dissolved iron, and surface water stratification. Phytoplankton produce dimethylsulfoniopropionate, the precurso...