A Reanalysis of North Pacific Sea Surface Temperatures Using State-Space Techniques: The PDO In A New Light

North Pacific sea surface temperatures (SST), as used in estimating the PDO, are reanalyzed using state-space decomposition and subspace identification techniques. The reanalysis presents a very different picture of SST in this region. The first common trend reflects a global warming signal. The sec...

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Main Authors: Mendelssohn, Roy, Bessey, CIndy
Format: Report
Language:unknown
Published: arXiv 2012
Subjects:
Online Access:https://dx.doi.org/10.48550/arxiv.1204.2486
https://arxiv.org/abs/1204.2486
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spelling ftdatacite:10.48550/arxiv.1204.2486 2023-05-15T15:05:45+02:00 A Reanalysis of North Pacific Sea Surface Temperatures Using State-Space Techniques: The PDO In A New Light Mendelssohn, Roy Bessey, CIndy 2012 https://dx.doi.org/10.48550/arxiv.1204.2486 https://arxiv.org/abs/1204.2486 unknown arXiv arXiv.org perpetual, non-exclusive license http://arxiv.org/licenses/nonexclusive-distrib/1.0/ Applications stat.AP Atmospheric and Oceanic Physics physics.ao-ph FOS Computer and information sciences FOS Physical sciences Preprint Article article CreativeWork 2012 ftdatacite https://doi.org/10.48550/arxiv.1204.2486 2022-04-01T13:53:36Z North Pacific sea surface temperatures (SST), as used in estimating the PDO, are reanalyzed using state-space decomposition and subspace identification techniques. The reanalysis presents a very different picture of SST in this region. The first common trend reflects a global warming signal. The second common trend modifies this for areas that underwent a sharper warming (cooling) starting in the early 1970's. This trend is also related to dynamics in the tropics and in Arctic sea ice extent. The third common trend is a superposition of changes in pressure centers on the long-term global warming signal. The fourth common trend is the trend that is contained in the original PDO series if analyzed by state-space techniques, and is identical to the trend in the North Pacific High. The first two common stochastic cycles capture the original PDO and so-called "Victoria mode", showing that these series are dominated by stationary behavior.. : 21 pages, 13 Figures Report Arctic Global warming Sea ice DataCite Metadata Store (German National Library of Science and Technology) Arctic Pacific
institution Open Polar
collection DataCite Metadata Store (German National Library of Science and Technology)
op_collection_id ftdatacite
language unknown
topic Applications stat.AP
Atmospheric and Oceanic Physics physics.ao-ph
FOS Computer and information sciences
FOS Physical sciences
spellingShingle Applications stat.AP
Atmospheric and Oceanic Physics physics.ao-ph
FOS Computer and information sciences
FOS Physical sciences
Mendelssohn, Roy
Bessey, CIndy
A Reanalysis of North Pacific Sea Surface Temperatures Using State-Space Techniques: The PDO In A New Light
topic_facet Applications stat.AP
Atmospheric and Oceanic Physics physics.ao-ph
FOS Computer and information sciences
FOS Physical sciences
description North Pacific sea surface temperatures (SST), as used in estimating the PDO, are reanalyzed using state-space decomposition and subspace identification techniques. The reanalysis presents a very different picture of SST in this region. The first common trend reflects a global warming signal. The second common trend modifies this for areas that underwent a sharper warming (cooling) starting in the early 1970's. This trend is also related to dynamics in the tropics and in Arctic sea ice extent. The third common trend is a superposition of changes in pressure centers on the long-term global warming signal. The fourth common trend is the trend that is contained in the original PDO series if analyzed by state-space techniques, and is identical to the trend in the North Pacific High. The first two common stochastic cycles capture the original PDO and so-called "Victoria mode", showing that these series are dominated by stationary behavior.. : 21 pages, 13 Figures
format Report
author Mendelssohn, Roy
Bessey, CIndy
author_facet Mendelssohn, Roy
Bessey, CIndy
author_sort Mendelssohn, Roy
title A Reanalysis of North Pacific Sea Surface Temperatures Using State-Space Techniques: The PDO In A New Light
title_short A Reanalysis of North Pacific Sea Surface Temperatures Using State-Space Techniques: The PDO In A New Light
title_full A Reanalysis of North Pacific Sea Surface Temperatures Using State-Space Techniques: The PDO In A New Light
title_fullStr A Reanalysis of North Pacific Sea Surface Temperatures Using State-Space Techniques: The PDO In A New Light
title_full_unstemmed A Reanalysis of North Pacific Sea Surface Temperatures Using State-Space Techniques: The PDO In A New Light
title_sort reanalysis of north pacific sea surface temperatures using state-space techniques: the pdo in a new light
publisher arXiv
publishDate 2012
url https://dx.doi.org/10.48550/arxiv.1204.2486
https://arxiv.org/abs/1204.2486
geographic Arctic
Pacific
geographic_facet Arctic
Pacific
genre Arctic
Global warming
Sea ice
genre_facet Arctic
Global warming
Sea ice
op_rights arXiv.org perpetual, non-exclusive license
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
op_doi https://doi.org/10.48550/arxiv.1204.2486
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