Circumpolar star
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Ocean forcing of glacier retreat in the western Antarctic Peninsula Open
The heat is on Rising surface air temperatures are understood to cause glacial melting, but it is becoming increasingly clear that the ocean also has a strong impact. Cook et al. studied glaciers that drain the Antarctic Peninsula and foun…
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Changes in growing season duration and productivity of northern vegetation inferred from long-term remote sensing data Open
Monitoring and understanding climate-induced changes in the boreal and arctic vegetation is critical
\nto aid in prognosticating their future.Weused a 33 year (1982–2014) long record of satellite
\nobservations to robustly assess changes i…
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Mean Antarctic Circumpolar Current transport measured in Drake Passage Open
The Antarctic Circumpolar Current is an important component of the global climate system connecting the major ocean basins as it flows eastward around Antarctica, yet due to the paucity of data, it remains unclear how much water is transpo…
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Record low Antarctic sea ice coverage indicates a new sea ice state Open
In February 2023, Antarctic sea ice set a record minimum; there have now been three record-breaking low sea ice summers in seven years. Following the summer minimum, circumpolar Antarctic sea ice coverage remained exceptionally low during …
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Transitions in Arctic ecosystems: Ecological implications of a changing hydrological regime Open
Numerous international scientific assessments and related articles have, during the last decade, described the observed and potential impacts of climate change as well as other related environmental stressors on Arctic ecosystems. There is…
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The Weddell Gyre, Southern Ocean: Present Knowledge and Future Challenges Open
The Weddell Gyre (WG) is one of the main oceanographic features of the Southern Ocean south of the Antarctic Circumpolar Current which plays an influential role in global ocean circulation as well as gas exchange with the atmosphere. We re…
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Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories Open
In the Southern Ocean, wide‐ranging predators offer the opportunity to quantify how animals respond to differences in the environment because their behavior and population trends are an integrated signal of prevailing conditions within mul…
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Warm Circumpolar Deep Water transport toward Antarctica driven by local dense water export in canyons Open
Mid-depth heat transport toward Antarctica is focused in “cold” regions, mechanically forced by overflowing dense water.
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Shelf–ocean exchange and hydrography west of the Antarctic Peninsula: a review Open
The West Antarctic Peninsula (WAP) is a highly productive marine ecosystem where extended periods of change have been observed in the form of glacier retreat, reduction of sea-ice cover and shifts in marine populations, among others. The p…
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Editorial: Organic carbon pools in permafrost regions on the Qinghai–Xizang (Tibetan) Plateau Open
The current Northern Circumpolar Soil Carbon Database did not include organic carbon storage in permafrost regions on the Qinghai–Xizang (Tibetan) Plateau (QXP). In this study, we reported a new estimation of soil organic carbon (SOC) pool…
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Observed and predicted effects of climate change on Arctic caribou and reindeer Open
The ability of many species to adapt to the shifting environmental conditions associated with climate change will be a key determinant of their persistence in the coming decades. This is a challenge already faced by species in the Arctic, …
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Future Projections of Antarctic Ice Shelf Melting Based on CMIP5 Scenarios Open
Basal melting of Antarctic ice shelves is expected to increase during the twenty-first century as the ocean warms, which will have consequences for ice sheet stability and global sea level rise. Here we present future projections of Antarc…
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AMAP assessment 2015: human health in the Arctic Open
No abstract available. (Published: 13 December 2016) Citation: Int J Circumpolar Health 2016, 75: 33949 - http://dx.doi.org/10.3402/ijch.v75.33949
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Reconstructing genetic history of Siberian and Northeastern European populations Open
Siberia and Northwestern Russia are home to over 40 culturally and linguistically diverse indigenous ethnic groups, yet genetic variation and histories of peoples from this region are largely uncharacterized. We present deep whole-genome s…
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Species on the move around the Australian coastline: A continental‐scale review of climate‐driven species redistribution in marine systems Open
Climate‐driven changes in the distribution of species are a pervasive and accelerating impact of climate change, and despite increasing research effort in this rapidly emerging field, much remains unknown or poorly understood. We lack a ho…
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KRILLBASE: a circumpolar database of Antarctic krill and salp numerical densities, 1926–2016 Open
Antarctic krill (Euphausia superba) and salps are major macroplankton contributors to Southern Ocean food webs and krill are also fished commercially. Managing this fishery sustainably, against a backdrop of rapid regional climate change, …
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Eddy saturation and frictional control of the Antarctic Circumpolar Current Open
The Antarctic Circumpolar Current is the strongest current in the ocean and has a pivotal impact on ocean stratification, heat content, and carbon content. The circumpolar volume transport is relatively insensitive to surface wind forcing …
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Periodontitis Prevalence and Severity in Adults: A Cross‐Sectional Study in Norwegian Circumpolar Communities Open
Background: The aim of this study is to describe the prevalence, severity, and extent of periodontitis in the adult population of circumpolar communities in Norway using data from the Tromstannen–Oral Health in Northern Norway study. Metho…
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Land Cover Mapping in Northern High Latitude Permafrost Regions with Satellite Data: Achievements and Remaining Challenges Open
Most applications of land cover maps that have been derived from satellite data over the Arctic require higher thematic detail than available in current global maps. A range of application studies has been reviewed, including up-scaling of…
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Delivering Sustained, Coordinated, and Integrated Observations of the Southern Ocean for Global Impact Open
© The Author(s), 2019. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Newman, L., Heil, P., Trebilco, R., Katsumata, K., Constable, A., van Wijk, E., Assmann…
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Future changes to the Indonesian Throughflow and Pacific circulation: The differing role of wind and deep circulation changes Open
Climate models consistently project a substantial decrease in the Indonesian Throughflow (ITF) in response to enhanced greenhouse warming. On interannual timescales ITF changes are largely related to tropical Pacific wind variability. Howe…
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Identifying barriers to healthcare delivery and access in the Circumpolar North: important insights for health professionals Open
Lack of access to healthcare services for people living in the Circumpolar North may have important consequences for their health and well-being, both in terms of the actual treatment and other possible health-related consequences intertwi…
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Population living on permafrost in the Arctic Open
Permafrost thaw is a challenge in many Arctic regions, one that modifies ecosystems and affects infrastructure and livelihoods. To date, there have been no demographic studies of the population on permafrost. We present the first estimates…
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Active layer thickening and controls on interannual variability in the Nordic Arctic compared to the circum‐Arctic Open
Active layer probing in northern Sweden, northeast Greenland, and central Svalbard indicates active layer thickening has occurred at Circumpolar Active Layer Monitoring (CALM) sites with long‐term, continuous observations, since the sites …
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Vocalisations of Antarctic blue whales, Balaenoptera musculus intermedia, recorded during the 2001/2002 and 2002/2003 IWC/SOWER circumpolar cruises, Area V, Antarctica Open
Blue whale vocalisations recorded during the 2001/2002 and 2002/2003 International Whaling Commission-Southern Ocean Whale and Ecosystem Research (IWC/SOWER) cruises were analysed to determine the feasibility of using acoustic recordings f…
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Iron supply and demand in an Antarctic shelf ecosystem Open
The Ross Sea sustains a rich ecosystem and is the most productive sector of the Southern Ocean. Most of this production occurs within a polynya during the November–February period, when the availability of dissolved iron (dFe) is thought t…
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Diverse growth trends and climate responses across Eurasia’s boreal forest Open
The area covered by boreal forests accounts for ∼16%of the global and 22% of theNorthern Hemisphere landmass. Changes in the productivity and functioning of this circumpolar biome not only have strong effects on species composition and div…
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Unsupervised Clustering of Southern Ocean Argo Float Temperature Profiles Open
The Southern Ocean has complex spatial variability, characterized by sharp fronts, steeply tilted isopycnals, and deep seasonal mixed layers. Methods of defining Southern Ocean spatial structures traditionally rely on somewhat ad hoc combi…
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Societal Impacts of a Rapidly Changing Arctic Open
This review article makes six observations about the current body of research on the societal impacts of a changing Arctic. First, climate change and globalisation are the dominant drivers of societal impacts in the Arctic. Second, many co…
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Approaching <i>Etuaptmumk</i> – introducing a consensus-based mixed method for health services research Open
With the recognized need for health systems' improvements in the circumpolar and indigenous context, there has been a call to expand the research agenda across all sectors influencing wellness and to recognize academic and indigenous knowl…