The Turbulent Oscillator: A Mechanism of Low-Frequency Variability of the Wind-Driven Ocean Gyres Berloff, P. ; Hogg, A. Mcc. ; Dewar, W. Abstract Publication: Journal of Physical Oceanography Pub Date: 2007 DOI: 10.1175/JPO3118.1 Bibcode: 2007JPO....37.2363B