Results 31 to 40 of about 5,710 (186)

Circulation and exchange in a broad Arctic fjord using glider-based observations

Polar Research, 2018
In recent years, Svalbard fjords have experienced a substantial reduction in winter sea-ice extent. This has been linked to changes in wind stress patterns over Fram Strait and an increased transport of warm Atlantic Water into the fjords.
Neil J. Fraser, Ragnheid Skogseth, Frank Nilsen, Mark E. Inall   +3 more
doaj   +1 more source

Ecological and evolutionary consequences of ploidy-driven trait variation: insights from Saxifraga oppositifolia L.

Arctic Science
The ecological and evolutionary consequences of ploidy-driven trait variation, particularly for autopolyploids, remain poorly understood. Saxifraga oppositifolia L.
Pernille Bronken Eidesen, Anne Krag Brysting, Kathleen Rani Hagen, Simen Salomonsen Hjelle, Aloïs Revéret, Ingrid Vesterdal Tjessem, Martin Čertner, Jorge Gago, Mie Prik Arnberg, Johanna Behrisch, Katrín Björnsdóttir, Viktorie Brožová, Angeline J.H.M. Bruls, Kathrin Driehaus, Janna Einöder, Ragnhild Gya, Valentina Handle, Niki Meinert Hansen, Maria Huntsaar, Anne Hølmkjær Jacobsen, Kayden Kendrick, Christine Mikalsen, Eike Müller, Sondre Kaastad Sørsdal, Jóhannes Bjarki Urbancic Tómasson, Inger Kristine Volden   +25 more
doaj   +1 more source

The influence of local winds on wind power characteristics in a High Arctic valley [PDF]

Wind Energy Science
Wind power in the High Arctic is under-developed, and understanding of the local wind conditions is needed. Therefore, the average wind characteristics in the Svalbard valley Adventdalen are investigated using primarily observations from wind profilers ...
M. Henkies, M. Henkies, K. V. Høyland, K. V. Høyland, A. Shestov, A. Sjöblom   +5 more
doaj   +1 more source

Studying interspecific population synchrony: current status and future perspectives

Ecography, EarlyView.
Interspecific population synchrony, or co‐fluctuations in the population dynamics and demographic parameters of different species, is an important ecological phenomenon with major implications for the stability of communities and ecosystems. It is also central in the context of biodiversity loss, as interspecific synchrony can influence how ecological ...
Ragnhild Bjørkås, Ivar Herfindal, Marlène Gamelon, Aline Magdalena Lee   +3 more
wiley   +1 more source

Seasonal shifts in feeding patterns: Individual and population realized specialization in a high Arctic fish

Ecology and Evolution, 2019
Species with a broad and flexible diet may be at an advantage in a rapidly changing environment such as in today's Arctic ecosystems. Polar cod (Boreogadus saida), an abundant and ecologically important circumpolar Arctic fish, is often described as a ...
Marine Cusa, Jørgen Berge, Øystein Varpe   +2 more
doaj   +1 more source

Using a social‐ecological macrosystems framework to understand how human activities alter ecological synchrony

People and Nature, EarlyView.
Abstract Different aspects of ecological systems, biotic or abiotic, often fluctuate in coordinated patterns over space and time. Such high concordance between ecological processes is often referred to as ecological synchrony. Human activities, including and beyond climate change, have the potential to alter ecological synchrony by disrupting or ...
Yiluan Song, Mallory Barnes, K. Ann Bybee‐Finley, Kyla M. Dahlin, Travis McDevitt‐Galles, Stephan B. Munch, Guillermo E. Ponce‐Campos, Casey Youngflesh, Benjamin Zuckerberg, Kai Zhu   +9 more
wiley   +1 more source

Cratering behaviour and faecal C:N ratio in relation to seasonal snowpack characteristics in a High-Arctic ungulate

Polar Research, 2017
Snow and ice determine winter forage availability for Arctic herbivores. Winter precipitation is anticipated to increase, and icing following warm spells and rain-on-snow (ROS) are likely to become more frequent. While this may reduce herbivore survival,
Larissa T. Beumer, Øystein Varpe, Brage B. Hansen   +2 more
doaj   +1 more source

High-resolution digital outcrop model of the faults, fractures, and stratigraphy of the Agardhfjellet Formation cap rock shales at Konusdalen West, central Spitsbergen [PDF]

Earth System Science Data
Structure-from-motion (SfM) photogrammetry has become an important tool for the digitalisation of outcrops as digital outcrop models (DOMs). DOMs facilitate the mapping of stratigraphy and discontinuous structures like folds, faults, and fractures from ...
P. Betlem, P. Betlem, T. Birchall, G. Lord, S. Oldfield, S. Oldfield, S. Oldfield, L. Nakken, L. Nakken, L. Nakken, K. Ogata, K. Senger   +11 more
doaj   +1 more source

Subsurface Investigations of Cryo‐Hydrogeological Features in a High Arctic Catchment Under Transition

Permafrost and Periglacial Processes, EarlyView.
ABSTRACT In this study, the internal structure and seasonal variations of cryo‐hydrogeological features were investigated in the Fuglebekken catchment, located near the Polish Polar Station Hornsund in Svalbard. Over a few years, rising air temperatures and intensified water circulation have significantly altered the distribution, extent, and state of ...
Wawrzyniak Tomasz, Oryński Szymon, Marciniak Artur, Osuch Marzena   +3 more
wiley   +1 more source

Introducing Svalbard Studies

Nordlit, 2020
Svalbard, or “cool edge” in Old Norse, is an archipelago in the Arctic Ocean. It has no indigenous population and some 60% of its landmass is covered by ice. Yet its rich wildlife and mineral resources, as well as spectacular sights, have been attracting a great deal of commercial interest ever since Willem Barentsz discovered the archipelago in 1596 ...
Leonid S. Chekin, Andrei Rogatchevski
openaire   +5 more sources