Climate data guide content with tag TNI Trans-Nino Index
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 sea surface temperature (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…
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Formats
- ascii
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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