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Nonlinear Controls on the Persistence of La Niña
Publisher: American Meteorological Society
Abstract: large fraction (35%?50%) of observed La Niña events last two years or longer, in contrast to the great majority of El Niño events, which last one year. Here, the authors explore the nonlinear processes responsible for the ...
Identifying and Estimating Biases between XBT and Argo Observations Using Satellite Altimetry
Publisher: American Meteorological Society
Abstract: A methodology is developed to identify and estimate systematic biases between expendable bathythermograph (XBT) and Argo observations using satellite altimetry. Pseudoclimatological fields of isotherm depth are computed ...
The South Pacific Meridional Mode: A Mechanism for ENSO-like Variability
Publisher: American Meteorological Society
Abstract: n this study, the authors investigate the connection between the South Pacific atmospheric variability and the tropical Pacific climate in models of different degrees of coupling between the atmosphere and ocean. A robust ...
Direct Evidence of a Changing Fall-Rate Bias in XBTs Manufactured during 1986–2008
Publisher: American Meteorological Society
Abstract: his paper presents direct evidence of systematic depth errors consistent with a fall-rate bias in 52 temperature profiles collected using expendable bathythermographs (XBTs). The profiles were collected using the same ...
Rethinking the Ocean’s Role in the Southern Oscillation
Publisher: American Meteorological Society
Abstract: he Southern Oscillation (SO) is usually described as the atmospheric component of the dynamically coupled El Niño?Southern Oscillation phenomenon. The contention in this work, however, is that dynamical coupling is not ...
Detectability of Changes in the Walker Circulation in Response to Global Warming
Publisher: American Meteorological Society
Abstract: hanges in the gradients in sea level pressure (SLP) and sea surface temperature (SST) along the equatorial Pacific are analyzed in observations and 101 numerical experiments performed with 37 climate models participating ...
Predictability of El Niño Duration Based on the Onset Timing
Publisher: American Meteorological Society
Observed Interannual Variability of the Florida Current: Wind Forcing and the North Atlantic Oscillation
Publisher: American Meteorological Society
Abstract: The role of wind stress curl (WSC) forcing in the observed interannual variability of the Florida Current (FC) transport is investigated. Evidence is provided for baroclinic adjustment as a physical mechanism linking ...
Stochastically Generated North American Megadroughts
Publisher: American Meteorological Society
Abstract: he importance of interannual-to-decadal sea surface temperature (SST) influences on drought in the United States is examined using a suite of simulations conducted with the T31?3 resolution version of the NCAR Community ...
Two-Year Dynamical Predictions of ENSO Event Duration during 1954–2015
Publisher: American Meteorological Society
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