Eddies (gyres) have important biological implications : Cyclonic eddies can drive upwelling of cooler, nutrient rich water
that influences ocean temperatures and fuels a localized increase in phytoplankton production, an essential source
of energy for higher trophic groups.
Eddy Kinetic Energy
(EKE) is a measure of eddy activity. Higher EKE values are an indicator of
increased eddy activity and, therefore, a potentially greater influence on marine ecosystem
The maps below depict Eddy Kinetic Energy
climatologies (1993-2015) and anomalies (2016) in the Hawai‘i
longline fishing ground (area indicated by the white box on the maps) from the AVISO multi-sensor merged
Quaterly climatology maps :
Quaterly anomaly maps :
You can click and drag to zoom in on a specific portion of the graphs, double click to zoom out,
or use the slider below the graph to select a specific time period.