2020-02-14 13:10:44.0 [tstevens] Remove Concepts delete narrower relation (null);
2012-06-25 12:09:18.0 [mpmorahan] Move Concepts add broader relation (TRANS-NINO INDEX [58d71334-7fb5-4e05-85fd-9d2485854abe,21885] - SEA SURFACE TEMPERATURE INDICES [b83895e9-bac8-49fe-bcf5-8fe4d8fcaa16,39747]); delete broader relation (null);
SEA SURFACE TEMPERATURE INDICES
TRANS-NINO INDEX
The timeseries is calculated from the HadISST and the NCEP OI Datasets. It is the standardized Nina 12 minus the Nina 4 with a 5 month running mean applied which is then standardized using the 1950-1979 period.