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View article: Unsupervised classification identifies coherent thermohaline structures in the Weddell Gyre region
Unsupervised classification identifies coherent thermohaline structures in the Weddell Gyre region Open
The Weddell Gyre is a major feature of the Southern Ocean and an important component of the planetary climate system; it regulates air–sea exchanges, controls the formation of deep and bottom waters, and hosts upwelling of relatively warm …
View article: Nanoplasmonic ecosystem sensors
Nanoplasmonic ecosystem sensors Open
Rapid advances in design, materials, and fabrication technologies over the past decade have allowed scientists to construct novel sensors to map and investigate the marine environment in new ways. This paper investigates the potential of n…
View article: Comment on egusphere-2022-1484
Comment on egusphere-2022-1484 Open
Abstract. The Weddell Gyre is a major feature of the Southern Ocean and an important component of the planetary climate system; it regulates air-sea exchanges, controls the formation of deep and bottom waters, and hosts upwelling of relati…
View article: Amundsen Sea seal-tag CTD data (2014, 2019, 2020)
Amundsen Sea seal-tag CTD data (2014, 2019, 2020) Open
1. Seal-tag hydrographic CTD measurements collected in the Amundsen Sea in 2014, 2019, and 2020. Columns are: Latitude [o], Longitude [o], Temperature [oC], Salinity [PSU], depth, z [m], absolute salinity, SA [g/kg], conservative temperatu…
View article: Amundsen Sea seal-tag CTD data (2014, 2019, 2020)
Amundsen Sea seal-tag CTD data (2014, 2019, 2020) Open
1. Seal-tag hydrographic CTD measurements collected in the Amundsen Sea in 2014, 2019, and 2020. Columns are: Latitude [o], Longitude [o], Temperature [oC], Salinity [PSU], depth, z [m], absolute salinity, SA [g/kg], conservative temperatu…
View article: Mixing Processes in the Dotson Ice Shelf Outflow
Mixing Processes in the Dotson Ice Shelf Outflow Open
The Dotson Ice Shelf (DIS) shows high rates of basal melting in recent decades. Relatively warm ocean currents access the sub-ice shelf cavity and interact with the base of the ice shelf providing heat for its melting. The water mass trans…
View article: Suppressed basal melting in the eastern Thwaites Glacier grounding zone
Suppressed basal melting in the eastern Thwaites Glacier grounding zone Open
Thwaites Glacier is one of the fastest-changing ice–ocean systems in Antarctica 1–3 . Much of the ice sheet within the catchment of Thwaites Glacier is grounded below sea level on bedrock that deepens inland 4 , making it susceptible to ra…
View article: Comment on egusphere-2022-1484
Comment on egusphere-2022-1484 Open
Abstract. The Weddell Gyre is a major feature of the Southern Ocean and an important component of the planetary climate system; it regulates air-sea exchanges, controls the formation of deep and bottom waters, and hosts upwelling of relati…
View article: Unsupervised classification identifies coherent thermohaline structures in the Weddell Gyre region
Unsupervised classification identifies coherent thermohaline structures in the Weddell Gyre region Open
The Weddell Gyre is a major feature of the Southern Ocean and an important component of the planetary climate system; it regulates air-sea exchanges, controls the formation of deep and bottom waters, and hosts upwelling of relatively warm …
View article: Wintertime Polynya Structure and Variability From Thermal Remote Sensing and Seal-Borne Observations at Pine Island Glacier, West Antarctica
Wintertime Polynya Structure and Variability From Thermal Remote Sensing and Seal-Borne Observations at Pine Island Glacier, West Antarctica Open
Funding: This work was enabled by the NSF-NERC International Thwaites Glacier Collaboration: Thwaites-Amundsen Regional Survey and Network (ITGC: TARSAN; NERC Grant: NE/S006419/1, NE/S006591/1, NSF Grant: 1738992) and the NERC Ice Sheet St…
View article: Weddell seals near the fastest melting glacier in Antarctica prefer shallow, coastal and partially ice-covered waters
Weddell seals near the fastest melting glacier in Antarctica prefer shallow, coastal and partially ice-covered waters Open
Antarctic ice-shelves melting is accelerating, and the highest rates for the continent are observed in the Amundsen Sea, where Weddell seals are understudied. By modelling an unrivalled telemetry tracking dataset, we show that this top pre…
View article: Ocean variability beneath Thwaites Eastern Ice Shelf driven by the Pine Island Bay Gyre strength
Ocean variability beneath Thwaites Eastern Ice Shelf driven by the Pine Island Bay Gyre strength Open
West Antarctic ice shelf thinning is primarily caused by ocean-driven basal melting. Here we assess ocean variability below Thwaites Eastern Ice Shelf (TEIS) and reveal the importance of local ocean circulation and sea-ice. Measurements ob…
View article: Sympatric Seals, Satellite Tracking and Protected Areas: Habitat-Based Distribution Estimates for Conservation and Management
Sympatric Seals, Satellite Tracking and Protected Areas: Habitat-Based Distribution Estimates for Conservation and Management Open
Marine predator populations are crucial to the structure and functioning of ecosystems. Like many predator taxa, pinnipeds face an increasingly complex array of natural and anthropogenic threats. Understanding the relationship between at-s…
View article: A Novel Approach to Using Seabed Geomorphology as a Predictor of Habitat Use in Highly Mobile Marine Predators: Implications for Ecology and Conservation
A Novel Approach to Using Seabed Geomorphology as a Predictor of Habitat Use in Highly Mobile Marine Predators: Implications for Ecology and Conservation Open
Understanding how marine predators find patchily distributed prey resources in a dynamic environment is key to identifying important ecological areas for ecosystem-level conservation management. However, the mechanisms underpinning importa…
View article: Unsupervised classification identifies coherent thermohaline structures in the Weddell Gyre
Unsupervised classification identifies coherent thermohaline structures in the Weddell Gyre Open
<p>The Weddell Gyre is a dominant feature of the Southern Ocean and an important component of the climate system; it regulates air-sea exchanges, controls the formation of deep and bottom water, and hosts upwelling of relatively warm…
View article: Environmental drivers of population-level variation in the migratory and diving ontogeny of an Arctic top predator
Environmental drivers of population-level variation in the migratory and diving ontogeny of an Arctic top predator Open
The development of migratory strategies that enable juveniles to survive to sexual maturity is critical for species that exploit seasonal niches. For animals that forage via breath-hold diving, this requires a combination of both physiolog…
View article: Unsupervised classification identifies coherent thermohaline structures in the Weddell Gyre
Unsupervised classification identifies coherent thermohaline structures in the Weddell Gyre Open
The Weddell Gyre is a dominant feature of the Southern Ocean and an important component of the climate system; it regulates air-sea exchanges, controls the formation of deep and bottom water, and hosts upwelling of relatively warm subsurfa…
View article: Using Predicted Patterns of 3D Prey Distribution to Map King Penguin Foraging Habitat
Using Predicted Patterns of 3D Prey Distribution to Map King Penguin Foraging Habitat Open
King penguins ( Aptenodytes patagonicus ) are an iconic Southern Ocean species, but the prey distributions that underpin their at-sea foraging tracks and diving behaviour remain unclear. We conducted simultaneous acoustic surveys off South…
View article: Animal Borne Ocean Sensors – AniBOS – An Essential Component of the Global Ocean Observing System
Animal Borne Ocean Sensors – AniBOS – An Essential Component of the Global Ocean Observing System Open
Marine animals equipped with biological and physical electronic sensors have produced long-term data streams on key marine environmental variables, hydrography, animal behavior and ecology. These data are an essential component of the Glob…
View article: Pathways and modification of warm water flowing beneath Thwaites Ice Shelf, West Antarctica
Pathways and modification of warm water flowing beneath Thwaites Ice Shelf, West Antarctica Open
The first oceanographic observations underneath Thwaites Ice Shelf front show previously unknown pathways for warm currents.
View article: Classifying Oceanographic Structures in the Amundsen Sea, Antarctica
Classifying Oceanographic Structures in the Amundsen Sea, Antarctica Open
The remote and often ice‐covered Amundsen Sea Embayment in Antarctica is important for transporting relatively warm modified Circumpolar Deep Water (mCDW) to the Western Antarctic Ice Sheet, potentially accelerating its thinning and contri…
View article: Habitat-based predictions of at-sea distribution for grey and harbour seals in the British Isles : Report to BEIS, OESEA-16-76, OESEA-17-78
Habitat-based predictions of at-sea distribution for grey and harbour seals in the British Isles : Report to BEIS, OESEA-16-76, OESEA-17-78 Open
The United Kingdom has large populations of both grey (Halichoerus grypus) and harbour seals (Phoca vitulina), which are protected under national and international legislation. In recent years, aerial surveys have revealed region-specific …
View article: Sex-specific variation in the use of vertical habitat by a resident Antarctic top predator
Sex-specific variation in the use of vertical habitat by a resident Antarctic top predator Open
Patterns of habitat use are commonly studied in horizontal space, but this does not capture the four-dimensional nature of ocean habitats (space, depth, and time). Deep-diving marine animals encounter varying oceanographic conditions, part…
View article: Variation in the post‐smolt growth pattern of wild one sea‐winter salmon (<i>Salmo salar</i> <scp>L</scp>.), and its linkage to surface warming in the eastern <scp>N</scp>orth <scp>A</scp>tlantic <scp>O</scp>cean
Variation in the post‐smolt growth pattern of wild one sea‐winter salmon (<i>Salmo salar</i> <span>L</span>.), and its linkage to surface warming in the eastern <span>N</span>orth <span>A</span>tlantic <span>O</span>cean Open
Variation in circulus spacing on the scales of wild Atlantic salmon is indicative of changes in body length growth rate. We analyzed scale circulus spacing during the post‐smolt growth period for adult one sea‐winter salmon ( n = 1947) ret…
View article: Sex-specific variation in the use of vertical habitat by a resident Antarctic top predator
Sex-specific variation in the use of vertical habitat by a resident Antarctic top predator Open
1 Abstract Patterns of habitat use are commonly studied in horizontal space, but this does not capture the four-dimensional nature of ocean habitats. There is strong seasonal variation in vertical ocean structuring, particularly at the pol…
View article: Weddell seal diving data from the Weddell Sea (2011)
Weddell seal diving data from the Weddell Sea (2011) Open
These data comprise locations and dive metrics from 19 adult Weddell seals (Leptonychotes weddellii) instrumented in February 2011 with telemetry devices. These devices were Sea Mammal Research Unit Conductivity-Temperature-Depth Satellite…
View article: Weddell seal diving data from the Weddell Sea (2011)
Weddell seal diving data from the Weddell Sea (2011) Open
These data comprise locations and dive metrics from 19 adult Weddell seals (Leptonychotes weddellii) instrumented in February 2011 with telemetry devices. These devices were Sea Mammal Research Unit Conductivity-Temperature-Depth Satellite…
View article: Habitat Partitioning in Sympatric Delphinids Around the Falkland Islands: Predicting Distributions Based on a Limited Data Set
Habitat Partitioning in Sympatric Delphinids Around the Falkland Islands: Predicting Distributions Based on a Limited Data Set Open
Funding: The field work was funded by the Darwin Initiative UK Overseas Territories Challenge Fund Project “Inshore Cetaceans of the Falkland Islands” (Project Ref: EIDCF019, administered jointly by Falklands Conservation & Mr Grant Munro)…