Trans-Nino Index (TNI)
Entry ID: NOAA_NWS_CPC_TNI

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Summary
Abstract: [Source: NOAA Earth System Research Laboratory, Physical Sciences
Division, http://www.esrl.noaa.gov/psd/ ]

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.

Time Interval: Monthly
Time Coverage: 1870 to present
Update Status: updated monthly

Related URL
Link: GET DATA
Description: Access the TNI Index


Link: VIEW PROJECT HOME PAGE
Description: TNI Index Home Page


Link: VIEW RELATED INFORMATION
Description: Access all NOAA Physical Sciences Division Sea Surface Temperature indices.


Data Set Citation
Dataset Originator/Creator: NOAA Earth System Research Laboratory, Physical Sciences Division, (Originally developed by Kevin Trenberth of NCAR/CGD)
Dataset Title: Trans-Nino Index (TNI)
Dataset Release Place: Boulder, CO, USA
Dataset Publisher: NOAA Earth System Research Laboratory, Physical Sciences Division
Online Resource: http://www.esrl.noaa.gov/psd/gcos_wgsp/Timeseries/TNI/


Temporal Coverage
Start Date: 1870-01-01


Location Keywords
OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN
OCEAN > PACIFIC OCEAN
OCEAN > PACIFIC OCEAN > WESTERN PACIFIC OCEAN
OCEAN > PACIFIC OCEAN > EASTERN PACIFIC OCEAN


Data Resolution
Temporal Resolution: 1 Month


Science Keywords
OCEANS >OCEAN TEMPERATURE >SEA SURFACE TEMPERATURE    [Definition]
CLIMATE INDICATORS >ATMOSPHERIC/OCEAN INDICATORS >SEA SURFACE TEMPERATURE INDICES >TRANS-NINO INDEX    [Definition]


ISO Topic Category
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE
OCEANS


Platform
FIXED OBSERVATION STATIONS    [Information]


Quality
Please See Data Set Home Page:

http://www.esrl.noaa.gov/psd/gcos_wgsp/Timeseries/TNI/


Keywords
climate indices
TNI Index
Trans-Niño Index
SST anomalies
climate change


Data Set Progress
COMPLETE


Data Center
Physical Sciences Division, Earth System Research Laboratory, OAR, NOAA, U.S. Department of Commerce    [Information]
Data Center URL: http://www.esrl.noaa.gov/psd/

Data Center Personnel
Name: ESRL/PSD DATA INQUIRIES
Email: esrl.psd.data at noaa.gov


Personnel
ESRL/PSD DATA INQUIRIES
Role: TECHNICAL CONTACT
Role: INVESTIGATOR
Email: esrl.psd.data at noaa.gov


SCOTT A. RITZ
Role: DIF AUTHOR
Phone: 301-614-5126
Fax: 301-614-5268
Email: Scott.A.Ritz at nasa.gov
Contact Address:
NASA Goddard Space Flight Center
Global Change Master Directory
City: Greenbelt
Province or State: Maryland
Postal Code: 20771
Country: USA


Publications/References
Kevin E. Trenberth and David P. Stepaniak (2001), Indices of El Niño Evolution, J. Climate, 14, 8, 1697-1701, doi:doi: 10.1175/1520-0442(2001)014<1697:LIOENO>2.0.CO;2

Creation and Review Dates
DIF Creation Date: 2010-08-30
Last DIF Revision Date: 2012-03-29

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