The Seasonality of the Great Plains Low-Level Jet and ENSO Relationship

作者: Lakshmi Krishnamurthy , Gabriel A. Vecchi , Rym Msadek , Andrew Wittenberg , Thomas L. Delworth

DOI: 10.1175/JCLI-D-14-00590.1

关键词: Atmospheric circulationSeasonalityOcean currentAtmosphereClimatologyTeleconnectionClimate modelLa NiñaEnvironmental scienceAtmospheric sciencesMultivariate ENSO index

摘要: AbstractThis study investigates the seasonality of relationship between Great Plains low-level jet (GPLLJ) and Pacific Ocean from spring to summer, using observational analysis coupled model experiments. The observed GPLLJ El Nino–Southern Oscillation (ENSO) relation undergoes seasonal changes with a stronger associated La Nina in boreal Nino summer. ability GFDL Forecast-Oriented Low Resolution (FLOR) global climate model, which has high-resolution atmospheric land components, simulate GPLLJ–ENSO is assessed. importance simulating magnitude phase locking ENSO accurately order better its teleconnections Intra-Americas Sea (IAS) demonstrated. This explores mechanisms for observations. It hypothesized that affects variability through the...

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