Found 11719 items
1 September, 2020 by Christine McKenna
Over the past few decades, Arctic sea-ice extent has declined, while there has been an apparent increase in severe winter weather across some mid-latitude regions. This has led to much…
1 September, 2020 by Kaitlin Naughten, Thomas Bracegirdle
Two decades into the 21st century there is growing evidence for global impacts of Antarctic and Southern Ocean climate change. Reliable estimates of how the Antarctic climate system would behave…
1 September, 2020 by Alex Burton-Johnson, Philip Leat, Teal Riley
The Cretaceous marks an episode of enhanced magmatism, sedimentation and tectonic processes along the entire proto-Pacific convergent margin of West Gondwana. Cretaceous magmatism across the Antarctic Peninsula is dominated by…
1 September, 2020 by Daniel Ashurst, Julius Rix, Robert Mulvaney
The paleoclimate community has an interest in distributed subglacial bedrock sampling but, while capable drill systems do exist, they are often incompatible with Twin Otter logistics. To address this issue,…
1 September, 2020 by Ben Robinson, David Barnes, Simon Morley
Disturbance is a key factor in most natural environments and, globally, disturbance regimes are changing, driven by increased anthropogenic influences, including climate change. There is, however, still a lack of…
1 September, 2020 by Phil Trathan
When successive stages of an organism's life-history overlap, conflicts and trade-offs can emerge due to competition among physiological pathways. For example, long periods of sustained locomotion in migrating birds are…
1 September, 2020 by Geraint Tarling, Gabriele Stowasser, Ryan Saunders, Sophie Fielding
Myctophids are the most abundant fish group in the Southern Ocean pelagic ecosystem and are an important link in the Antarctic marine food web. Due to their major ecological role,…
1 September, 2020 by Hugh Venables
Copepods that enter dormancy, such as Calanoides acutus, are key primary consumers in Southern Ocean food webs where they convert a portion of the seasonal phytoplankton biomass into a longer-term…
31 August, 2020 by David Barnes, Terri Souster
The flow of carbon from atmosphere to sediment fauna and sediments reduces atmospheric CO2, which in turn reduces warming. Here, during the Changing Arctic Ocean Seafloor programme, we use comparable…31 August, 2020 by Emma Young, Michael Meredith
The northeast periphery of the Scotia Sea hosts one of the largest chlorophyll‐a blooms of the Southern Ocean. This bloom peaks to the northwest of the island of South Georgia,…