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Contact: Gisela Speidel
gspeidel@hawaii.edu
808-956-9252
University of Hawaii ‑ SOEST

Combination Tone Schematic

Caption: This is a schematic figure for the suggested generation mechanism of the combination tone: The annual cycle (Tone 1), together with the El Niño sea surface temperature anomalies (Tone 2) produce the combination tone.

Credit: Malte Stuecker

Usage Restrictions: For educational purposes only.

Related news release: Climate researchers discover new rhythm for El Niño


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