Low Density of Top Predators (Seabirds and Marine Mammals) in the High Arctic Pack Ice [PDF]
Scientifica, 2016 The at-sea distribution of top predators, seabirds and marine mammals, was determined in the high Arctic pack ice on board the icebreaker RV Polarstern in July to September 2014. In total, 1,620 transect counts were realised, lasting 30 min each.
Claude R. Joiris +3 more
doaj +6 more sources
Culturable diversity of Arctic phytoplankton during pack ice melting [PDF]
Elementa: Science of the Anthropocene, 2020 Massive phytoplankton blooms develop at the Arctic ice edge, sometimes extending far under the pack ice. An extensive culturing effort was conducted before and during a phytoplankton bloom in Baffin Bay between April and July 2016.
Catherine Gérikas Ribeiro +7 more
doaj +8 more sources
Sympagic Fauna in and Under Arctic Pack Ice in the Annual Sea-Ice System of the New Arctic [PDF]
Frontiers in Marine Science, 2020 A strong decline and thinning of the Arctic sea-ice cover over the past five decades has been documented. The former multiyear sea-ice system has largely changed to an annual system and with it the dynamics of sea-ice transport across the Arctic Ocean ...
Julia Ehrlich +6 more
doaj +10 more sources
Future sea ice weakening amplifies wind-driven trends in surface stress and Arctic Ocean spin-up [PDF]
Nature CommunicationsArctic sea ice mediates atmosphere-ocean momentum transfer, which drives upper ocean circulation. How Arctic Ocean surface stress and velocity respond to sea ice decline and changing winds under global warming is unclear.
Morven Muilwijk +3 more
doaj +4 more sources
Potential source regions and processes of aerosol in the summer Arctic [PDF]
Atmospheric Chemistry and Physics, 2015 Sub-micrometer particle size distributions measured during four summer cruises of the Swedish icebreaker Oden 1991, 1996, 2001, and 2008 were combined with dimethyl sulfide gas data, back trajectories, and daily maps of pack ice cover in order to ...
J. Heintzenberg, C. Leck, P. Tunved
doaj +4 more sources
Status and trends in the structure of Arctic benthic food webs [PDF]
Polar Research, 2015 Ongoing climate warming is causing a dramatic loss of sea ice in the Arctic Ocean, and it is projected that the Arctic Ocean will become seasonally ice-free by 2040.
Monika Kędra +13 more
doaj +7 more sources
Oxygen fluxes beneath Arctic land-fast ice and pack ice: towards estimates of ice productivity [PDF]
Polar Biology, 2018 Sea-ice ecosystems are among the most extensive of Earth’s habitats; yet its autotrophic and heterotrophic activities remain poorly constrained. We employed the in situ aquatic eddy-covariance (AEC) O2 flux method and laboratory incubation techniques (H14CO3−, [3H] thymidine and [3H] leucine) to assess productivity in Arctic sea-ice using different ...
Karl M. Attard +10 more
core +18 more sources
Leads in Arctic pack ice enable early phytoplankton blooms below snow-covered sea ice [PDF]
Scientific Reports, 2017 AbstractThe Arctic icescape is rapidly transforming from a thicker multiyear ice cover to a thinner and largely seasonal first-year ice cover with significant consequences for Arctic primary production. One critical challenge is to understand how productivity will change within the next decades.
Philipp Assmy +40 more
core +12 more sources
A red tide in the pack ice of the Arctic Ocean [PDF]
Scientific Reports, 2019 AbstractIn the Arctic Ocean ice algae constitute a key ecosystem component and the ice algal spring bloom a critical event in the annual production cycle. The bulk of ice algal biomass is usually found in the bottom few cm of the sea ice and dominated by pennate diatoms attached to the ice matrix.
Lasse M. Olsen +13 more
core +15 more sources
The seeding of ice algal blooms in Arctic pack ice: The multiyear ice seed repository hypothesis [PDF]
Journal of Geophysical Research: Biogeosciences, 2017 During the Norwegian young sea ICE expedition (N-ICE2015) from January to June 2015 the pack ice in the Arctic Ocean north of Svalbard was studied during four drifts between 83° and 80° N. This pack ice consisted of a mix of second-year, first-year and young ice.
Lasse M. Olsen +19 more
core +13 more sources