-
Nino3.4
-
trans-Nino Index :
TNI = Nino1+2-Nino4.
This index is complementary to Nino3.4 to characterize ENSO (Trenberth
and Stepaniak 2001)
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Indian Ocean Dipole index :
DMI = SST in tropical W Indian Ocean - SST in SE Indian Ocean (defined
by Saji et al 1999). Chan and Liu showed the DMI is related to seasonal
TC numbers .
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