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Arctic Oscillation

Overview page. Subjects: Meteorology and Climatology.

An oscillation, approximately decadal in length, in the atmospheric parameters over the Arctic and those in a zone centred at approximately 40° N. When the polar vortex is strong and...

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Arctic Oscillation

Overview page. Subjects: Meteorology and Climatology.

An oscillation, approximately decadal in length, in the atmospheric parameters over the Arctic and those in a zone centred at approximately 40° N. When the polar vortex is strong and...

See overview in Oxford Index

Arctic Oscillation

Storm Dunlop.

in A Dictionary of Weather

January 2008; p ublished online January 2008 .

Reference Entry. Subjects: Environmental Science. 120 words.

(Also known as the Northern Annular Mode) An oscillation, approximately decadal in length, in the atmospheric parameters over

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Anomalous precipitation signatures of the Arctic Oscillation in the time-variable gravity field by GRACE

Koji Matsuo and Kosuke Heki.

in Geophysical Journal International

September 2012; p ublished online September 2012 .

Journal Article. Subjects: Geophysics. 6335 words.

Summary

The Arctic Oscillation (AO) controls winter climates in the Northern Hemisphere to a large extent. Positive AO brings lower/higher surface...

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oscillation

Overview page. Subjects: Mathematics.

The variation of a specific parameter above or below a mean value. In meteorology, the term is normally applied to large-scale phenomena that exhibit teleconnections and in which specific...

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Introduction to the polar regions

David N. Thomas, G.E. (Tony) Fogg, Peter Convey, Christian H. Fritsen, Josep-Maria Gili, Rolf Gradinger, Johanna Laybourn-Parry, Keith Reid and David W.H. Walton.

in The Biology of Polar Regions

March 2008; p ublished online May 2008 .

Chapter. Subjects: Animal Pathology and Diseases. 8912 words.

This chapter begins with a brief description of the physical characteristics of polar regions, specifically in the Arctic and Antarctic. It then discusses the energy balances of the polar...

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Interannual changes in zooplankton on the West Spitsbergen Shelf in relation to hydrography and their consequences for the diet of planktivorous seabirds

Slawomir Kwasniewski, Marta Gluchowska, Wojciech Walkusz, Nina J. Karnovsky, Dariusz Jakubas, Katarzyna Wojczulanis-Jakubas, Ann M. A. Harding, Ilona Goszczko, Malgorzata Cisek, Agnieszka Beszczynska-Möller, Waldemar Walczowski, Jan M. Weslawski and Lech Stempniewicz.

in ICES Journal of Marine Science

July 2012; p ublished online May 2012 .

Journal Article. Subjects: Environmental Science; Marine and Estuarine Biology. 8085 words.

Kwasniewski, S., Gluchowska, M., Walkusz, W., Karnovsky, N. J., Jakubas, D., Wojczulanis-Jakubas, K., Harding, A. M. A., Goszczko, I., Cisek, M., Beszczynska-Möller, A.,...

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sudden warming

Overview page. Subjects: Meteorology and Climatology.

A relatively rapid increase in temperature at an altitude of 25 km or more in the stratosphere, associated with subsidence at those levels and occurring primarily in the northern hemisphere...

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Atlantic Multidecadal Oscillation

Overview page. Subjects: Meteorology and Climatology.

(AMO)

A series of long-term changes in sea-surface temperatures involving almost the whole of the North Atlantic, with a periodicity of 20–40 years. It is determined from annual...

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Northern exposure

Timo Partonen and Andres Magnusson.

in Seasonal Affective Disorder

October 2009; p ublished online February 2013 .

Chapter. Subjects: Psychiatry. 4404 words.

People living close to the Arctic Circle face environmental extremes, not only in terms of seasonal oscillations in daylight hours and the rapidity with which seasons switch, but also low...

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Understanding Key Concepts of Climate Science and Their Application

Stephen J. Vavrus, Eric Obscherning and Jonathan A. Patz.

in Climate Change and Public Health

July 2015; p ublished online August 2015 .

Chapter. Subjects: Public Health and Epidemiology. 8472 words.

The scientific study of climate includes aspects of oceanography, biogeochemistry, atmospheric science, and physical geography. It utilizes records and observations from both the relatively...

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NE Atlantic zooplankton wintering in fjord habitats responds to hemispheric climate

Stig Skreslet, Ketil Olsen, Marina Chelak and Ketil Eiane.

in Journal of Plankton Research

July 2015; p ublished online May 2015 .

Journal Article. Subjects: Marine and Estuarine Biology; Zoology and Animal Sciences. 9717 words.

This study addresses how local abiotic variability links zooplankton stocks to climate systems. Four zooplankton species and abiotic environmental data were sampled annually during October...

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Arctic meteorology

Overview page. Subjects: Earth Sciences and Geography.

The Arctic regions experience an annual cycle of winter ‘night’ and summer ‘day’. Most weather results from the intensely cold ground air which is chilled by contact with land, which loses...

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The Holocene at high latitudes

R. M. M. Crawford.

in Tundra-Taiga Biology

November 2013; p ublished online May 2015 .

Chapter. Subjects: Animal Pathology and Diseases. 10350 words.

This chapter first details the advent of post-glacial period at northern latitudes after ice volumes peaked about 21,000 years ago. There were a number of climatic oscillations during the...

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Climate regime shifts and community reorganization in the Gulf of Alaska: how do recent shifts compare with 1976/1977?

Michael A. Litzow.

in ICES Journal of Marine Science

January 2006; p ublished online January 2006 .

Journal Article. Subjects: Environmental Science; Marine and Estuarine Biology. 6021 words.

Climate regime shifts have recently occurred in the North Pacific (1998–1999) and the Arctic (2000), but the nature of biological reaction to these events is poorly understood. An index of...

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Paludification and Forest Retreat in Northern Oceanic Environments

R. M. M. CRAWFORD, C. E. JEFFREE and W. G. REES.

in Annals of Botany

January 2003; p ublished online January 2003 .

Journal Article. Subjects: Ecology and Conservation; Evolutionary Biology; Plant Sciences and Forestry. 8261 words.

Examination of temperature variations over the past century for Europe and the Arctic from northern Norway to Siberia suggests that variations in the North Atlantic Oscillation are...

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Recurrent Introgression of Mitochondrial DNA Among Hares (<i>Lepus</i> spp.) Revealed by Species-Tree Inference and Coalescent Simulations

J. Melo-Ferreira, P. Boursot, M. Carneiro, P. J. Esteves, L. Farelo and P. C. Alves.

in Systematic Biology

May 2012; p ublished online December 2011 .

Journal Article. Subjects: Biological Sciences. 8762 words.

Understanding recent speciation history requires merging phylogenetic and population genetics approaches, taking into account the persistence of ancestral polymorphism and possible...

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vortex

Overview page. Subjects: Earth Sciences and Geography.

(pl.vortices)

A whirling mass of fluid or air. See Walker and Nickling (2002) PPG 26, 1 on helical vortices in dunes; Wiggs (2001) PPG on the roll-vortex theory of dune...

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North Atlantic Oscillation

Overview page. Subjects: Meteorology and Climatology.

(NAO)

A large-scale alternation of atmospheric mass between the Icelandic low- and the Azores high-pressure area. When the pressure difference is large, with a deep Icelandic low...

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Making use of Johan Hjort's “unknown” legacy: reconstruction of a 150-year coastal time-series on northeast Arctic cod (<i>Gadus morhua</i>) liver data reveals long-term trends in energy allocation patterns

Olav Sigurd Kjesbu, Anders Frugård Opdal, Knut Korsbrekke, Jennifer A. Devine and Jon Egil Skjæraasen.

in ICES Journal of Marine Science

October 2014; p ublished online March 2014 .

Journal Article. Subjects: Environmental Science; Marine and Estuarine Biology. 7552 words.

Hidden within the seminal 1914 publication by Johan Hjort, we find what is probably one of the first comprehensive teleost time-series ever published. The series is liver size and fat...

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Hierarchical analysis of a remote, Arctic, artisanal longline fishery

Susan T. Dennard, M. Aaron MacNeil, Margaret A. Treble, Steven Campana and Aaron T. Fisk.

in ICES Journal of Marine Science

January 2010; p ublished online August 2009 .

Journal Article. Subjects: Environmental Science; Marine and Estuarine Biology. 7371 words.

Dennard, S. T., MacNeil, M. A., Treble, M. A., Campana, S., and Fisk, A. T. 2010. Hierarchical analysis of a remote, Arctic, artisanal longline fishery. – ICES Journal of...

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