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Improving StocSIPS forecasts by exploiting SST data: StocSST

  1. 1.
    0497832 - ÚI 2019 DE eng A - Abstrakt
    Jajcay, Nikola - Del Rio Amador, L. - Lovejoy, S. - Paluš, Milan
    Improving StocSIPS forecasts by exploiting SST data: StocSST.
    Geophysical Research Abstracts. Roč. 20 (2018), s. 9489. ISSN 1607-7962.
    [EGU General Assembly 2018. 08.04.2018-13.04.2018, Vienna]
    Institucionální podpora: RVO:67985807
    https://meetingorganizer.copernicus.org/EGU2018/EGU2018-9489.pdf

    At time-scales longer than the lifetimes of planetary sized atmospheric structures — the macroweather regime¬¬ — global circulation models become stochastic with internal variability having scaling fluctuations over wide ranges. The Stochastic Seasonal and Interannual Prediction System (StocSIPS[1]) model, exploits the system’s huge memory and uses historical data that force predictions to converge to the real world climate. StocSIPS is already skillful even though it only uses atmospheric data. Indeed, it is close the theoretical stochastic predictability limits expected when only atmospheric temperatures are used. Since the lifetime of ocean structures is longer, so is the corresponding ocean deterministic predictability limit. Therefore, combining sea surface temperatures (SST) with atmospheric data can potentially further improve the forecasts. In this work, we utilized the minimum square framework to optimally combine StocSIPS forecasts with various SST-based climate indices.
    Trvalý link: http://hdl.handle.net/11104/0290312

     
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    0497832a-cc.pdf436.4 KBCreative Comm.Vydavatelský postprintpovolen
     
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