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Table 2 Applications in observing oceanographic features

From: Ocean Observation Technologies: A Review

Oceanographic featuresMeasured/estimated variables
Boundary currents [78]Cross-stream density gradients and depth-average currents
Upwelling [79]Temperature, salinity, and fluorescence
Internal waves [80]Vertical velocity
Fronts [81]Temperature and salinity gradients
Eddies [82]Conductivity, salinity, pressure, dissolved oxygen and fluorescence
Algal bloom [83]CTD, dissolved oxygen, fluorescence, photosynthetically active radiation, and optical backscattering
Zooplankton abundance/fish activities [84, 85]Acoustic backscatter and fluorescence
Sediment transport and resuspension [86]Fluorescence, optical backscatter, colored dissolved organic matter, and CTD