Journal ArticleDOI
Empirical evidence for North Pacific regime shifts in 1977 and 1989
Steven R. Hare,Nathan J. Mantua +1 more
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In this paper, the authors used 100 environmental time series, 31 climatic and 69 biological, to determine if there is evidence for common regime signals in the 1965-1997 period of record.About:
This article is published in Progress in Oceanography.The article was published on 2000-10-01. It has received 1500 citations till now. The article focuses on the topics: Regime shift & Marine ecosystem.read more
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Optimal growth temperature hypothesis: Why do anchovy flourish and sardine collapse or vice versa under the same ocean regime?
TL;DR: A simple "optimal growth temperature" hypothesis is proposed, in which anchovy and sardine regime shifts are caused by differential optimal temperatures for growth rates during the early life stages.
Journal ArticleDOI
On the frequency of heavy rainfall for the Midwest of the United States
Gabriele Villarini,James A Smith,Mary Lynn Baeck,Renato Vitolo,David B. Stephenson,Witold F. Krajewski +5 more
TL;DR: In this article, the authors examined the seasonality of extreme rainfall, temporal stationarity and long-term persistence of annual maximum daily rainfall in the Midwest United States with a record of at least 75 years and used the Poisson regression as a framework for the examination of clustering of heavy rainfall.
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Spatio-temporal structure of the pentadecadal variability over the North Pacific
TL;DR: In this paper, a pentadecadal oscillation was detected in the winter-spring sea-level pressure (SLP) field over the North Pacific and surface air-temperature in North America.
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Regime shifts in marine ecosystems of the North Sea and Wadden Sea
TL;DR: In this paper, the authors used principal component analysis (PCA) and regime shift analysis to identify the extent and timing of regime shifts in NW Europe, and applied chronological clustering to the combined data, including biological data and environmental data.
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Climate-driven regime shifts in Arctic marine benthos.
Susanne Kortsch,Raul Primicerio,Frank Beuchel,Paul E. Renaud,Joao Rodrigues,Ole Jørgen Lønne,Bjørn Gulliksen,Bjørn Gulliksen +7 more
TL;DR: The abrupt, substantial, and persistent nature of the changes observed is indicative of a climate-driven ecological regime shift, and the ecological processes thought to drive the observed regime shifts are likely to promote the borealization of these Arctic marine communities in the coming years.
References
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A Pacific interdecadal climate oscillation with impacts on salmon production
TL;DR: In this article, the authors identify a robust, recurring pattern of ocean-atmosphere climate variability centered over the midlatitude North Pacific basin over the past century, the amplitude of this climate pattern has varied irregularly at interannual-to-interdecadal timescales.
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The Arctic oscillation signature in the wintertime geopotential height and temperature fields
TL;DR: The Arctic Oscillation (AO) as mentioned in this paper is the signature of modulations in the strength of the polar vortex aloft, and it resembles the NAO in many respects; but its primary center of action covers more of the Arctic, giving it a more zonally symmetric appearance.
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Teleconnections in the Geopotential Height Field during the Northern Hemisphere Winter
John M. Wallace,David S. Gutzler +1 more
TL;DR: In this paper, a review of existing literature on the subject reveals the existence of at least four such patterns: the North Atlantic and North Pacific Oscillations identified by Walker and Bliss (1932), a zonally symmetric seesaw between sea level pressures in polar and temperature latitudes, first noted by Lorenz (1951), and what we will refer to as the Pacific/North American pattern, which has been known to operational long-range forecasters in this country since the 1950's.
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Statistical Analysis in Climate Research
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Classification, seasonality and persistence of low-frequency atmospheric circulation patterns
TL;DR: In this article, Orthogonally rotated principle component analysis (RPCA) was used to identify and describe the seasonality and persistence of the major modes of interannual variability.