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
Citations
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Regime shifts in marine ecosystems of the North Sea and Wadden Sea. Mar Ecol Prog Ser
TL;DR: In this article, 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.
Journal ArticleDOI
Understanding and predicting ecological dynamics: are major surprises inevitable?
Daniel F. Doak,James A. Estes,Benjamin S. Halpern,Ute Jacob,David R. Lindberg,James R. Lovvorn,Daniel H. Monson,M. Timothy Tinker,Terrie M. Williams,J. Timothy Wootton,Ian T. Carroll,Mark C. Emmerson,Fiorenza Micheli,Mark Novak +13 more
TL;DR: Examples of such surprises are given along with the results of a survey of well-established field ecologists, most of whom have encountered one or more surprises over the course of their careers, and the frequency and nature of ecological surprises imply that uncertainty cannot be easily tamed through improved analytical procedures.
Journal ArticleDOI
Forest service large fire area burned and suppression expenditure trends, 1970-2002
TL;DR: This article examined data relating to emergency wildland fire suppression expenditures, number of fires, and acres burned and developed statistical models to estimate area burned using drought indices for the USDA Forest Service from 1970-2002.
Journal ArticleDOI
Consequences of increased temperature and CO2 for phytoplankton community structure in the Bering Sea
Clinton E. Hare,Karine Leblanc,Giacomo R. DiTullio,Raphael M. Kudela,Yaohong Zhang,Peter A. Lee,Sarah F. Riseman,David A. Hutchins +7 more
TL;DR: If these results are indicative of future climate responses, community shifts towards nanophytoplankton dominance could reduce the ability of the Bering Sea to maintain the productive diatom-based food webs that currently support one of the world's most productive fisheries.
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Climate variability and physical forcing of the food webs and the carbon budget on panarctic shelves
Eddy C. Carmack,David G. Barber,Jens Hesselbjerg Christensen,Robie W. Macdonald,Bert Rudels,Egil Sakshaug +5 more
TL;DR: In this paper, the authors provide a conceptual framework for considering panarctic shelves under scenarios of climate variability, focusing on projected climate changes that will likely have the greatest impact on shelf-basin exchange, productivity and sediment processes.
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.