Climate data guide content with tag NINO_SSTs
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Nino SST Indices (Nino 1+2, 3, 3.4, 4; ONI and TNI)
Years of record
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There are several indices used to monitor the tropical Pacific, all of which are based on SST anomalies averaged across a given region. Usually the anomalies are computed relative to a base period of 30 years. The Niño 3.4 index and the Oceanic Niño Index (ONI) are the most commonly used indices to define El Niño and La Niña events. Other indices are used…
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Formats
- N/A
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Timestep
- Monthly
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Domain
- Pacific Ocean, Tropics
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Collections
- Climate Analysis Section (CAS) Data Catalog
Experts contributing reviews
- Trenberth, Kevin