4.7 Article

Underwater gliders reveal rapid arrival of El Nino effects off California's coast

Journal

GEOPHYSICAL RESEARCH LETTERS
Volume 38, Issue -, Pages -

Publisher

AMER GEOPHYSICAL UNION
DOI: 10.1029/2010GL046376

Keywords

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Funding

  1. Gordon and Betty Moore Foundation
  2. Coastal Ocean Currents Monitoring Project (COCMP)
  3. NSF through the California Current Ecosystem LTER site
  4. NOAA through the Consortium on the Ocean's Role in Climate (CORC)
  5. NOAA through the Southern California Coastal Ocean Observing System (SCCOOS)
  6. Achievement Rewards for College Scientists (ARCS) scholarship
  7. Division Of Ocean Sciences
  8. Directorate For Geosciences [1026607] Funding Source: National Science Foundation

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The 2009-2010 El Nino marked the first occurrence of this climate phenomenon since the initiation of sustained autonomous glider surveillance in the California Current System (CCS). Spray glider observations reveal the subsurface effects of El Nino in the CCS with spatial and temporal resolutions that could not have been obtained practically with any other observational method. Glider observations show that upper ocean waters in the CCS were unusually warm and isopycnals were abnormally deep during the El Nino event, but indicate no anomalous water masses in the region. Observed oceanic anomalies in the CCS are nearly in phase with an equatorial El Nino index and local anomalies of atmospheric forcing. These observations point toward an atmospheric teleconnection as an important mechanism for the 2009-2010 El Nino's remote effect on the mid-latitude CCS. Citation: Todd, R. E., D. L. Rudnick, R. E. Davis, and M. D. Ohman (2011), Underwater gliders reveal rapid arrival of El Nino effects off California's coast, Geophys. Res. Lett., 38, L03609, doi:10.1029/2010GL046376.

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