Sub-Polar Gyre Index

We followed the method of Häkkinen and Rhines (2004) to calculate the Sub-Polar Gyre Index, which has been defined as the first Principal Component (PC1) of an Empirical Orthogonal Function Analysis (EOFA) of the sea level anomaly field in the North Atlantic. : Based on AVISO Sea Surface Height Maps...

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Bibliographic Details
Main Author: Berx Bee
Format: Article in Journal/Newspaper
Language:English
Published: Marine Scotland Science 2016
Subjects:
Physical oceanography
North Atlantic
Online Access:https://dx.doi.org/10.7489/1806-1
https://data.marine.gov.scot/dataset/sub-polar-gyre-index
Description
Summary:We followed the method of Häkkinen and Rhines (2004) to calculate the Sub-Polar Gyre Index, which has been defined as the first Principal Component (PC1) of an Empirical Orthogonal Function Analysis (EOFA) of the sea level anomaly field in the North Atlantic. : Based on AVISO Sea Surface Height Maps in the North Atlantic. Column headers Year: year of observation Month: month of observation SPG-I Monthly: sub-polar gyre index (dimensionless) at monthly resolution SPG-I Annual Filter: annual sub-polar gyre index (dimensionless) after 13 month running mean filter Fill value: NaN (Not a Number)

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