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    Record-low coastal sea levels in the Northeast Pacific during the winter of 2013-2014

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    s41598-019-40397-w.pdf
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    Author
    Wang, Yaqi
    Liu, Hailong
    Lin, Pengfei
    Yin, Jianjun
    Affiliation
    Univ Arizona, Dept Geosci
    Issue Date
    2019-03-07
    
    Metadata
    Show full item record
    Publisher
    NATURE PUBLISHING GROUP
    Citation
    Wang, Y., Liu, H., Lin, P., & Yin, J. (2019). Record-low coastal sea levels in the Northeast Pacific during the winter of 2013–2014. Scientific reports, 9(1), 3774.
    Journal
    SCIENTIFIC REPORTS
    Rights
    © The Author(s) 2019. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    During the winter of 2013-2014, the averaged tide gauge (TG) coastal sea level (CSL) anomaly north of 40 degrees N was a record low of -107 mm for the period of 1948-2016. Statistical analysis indicates that this large drop was a once-in-a-century event and closely related to an unusual ocean warming event known as "The Blob". The Blob developed in the NE Pacific during the winter of 2013-2014. Both the Blob and record-low CSL can be attributed to wind changes associated with an unusually high sea level pressure (SLP) pattern over the NE Pacific. The anomalous local longshore winds induced by the positive SLP anomalies caused strong offshore Ekman transport along the coast of NE Pacific, thereby leading to the record-low CSL. In addition, the steric sea level changes also contributed a significant part (17%) to the record-low CSL. The Pacific Decadal Oscillation (PDO), as the primary variability mode in the NE Pacific on decadal time scales, did not contribute to the emergence of this extreme CSL event.
    Note
    Open access journal.
    ISSN
    2045-2322
    PubMed ID
    30846761
    DOI
    10.1038/s41598-019-40397-w
    Version
    Final published version
    Sponsors
    National Key R&D Program for Developing Basic Sciences [2016YFC1401401, 2016YFC1401601]; National Natural Science Foundation of China [41576025, 41776030, 41576026]
    Additional Links
    https://www.nature.com/articles/s41598-019-40397-w
    ae974a485f413a2113503eed53cd6c53
    10.1038/s41598-019-40397-w
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