NOAA Office of Satellite and Product Operations

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MODIS / Aqua Chlorophyll Front Products

Chlorophyll (named as Chl for clarity) fronts are biogeographical/ecosystem boundaries associated with zones of elevated primary and secondary productivity and fisheries. Variability in the strength and location of chlorophyll fronts affects key living marine resources, such as demersal and pelagic fish, squid, shrimp, lobster, shellfish, and marine mammals. Chlorophyll frontal products here are generated from Okeanos MODIS/Aqua chlorophyll products by using the Belkin-O'Reilly Algorithm (BOA) and the Stripe Noise Reduction Algorithm (SNRA). The products include daily-mean and granule chlorophyll gradient magnitude, and granule chlorophyll gradient direction over nine CoastWatch Regions-of-Interest, i.e., Northeast (NE), Southeast (SE), Gulf of Mexico (GM), Caribbean (CB), West Coast (WC), Alaska (AK), Great Lakes (GL), East Tropical Pacific (EP), Hawaii (HI).

Chlorophyll Gradient Magnitude
Region
02/21/2018
02/20/2018
02/19/2018
Alaska (AK)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018052
PdailyMean_ModisAquaChlaGradMag Day 1
2018051
PdailyMean_ModisAquaChlaGradMag Day 2
2018050
Carribbean (CB)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018052
PdailyMean_ModisAquaChlaGradMag Day 1
2018051
PdailyMean_ModisAquaChlaGradMag Day 2
2018050
East Tropical Pacific (EP)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018052
PdailyMean_ModisAquaChlaGradMag Day 1
2018051
PdailyMean_ModisAquaChlaGradMag Day 2
2018050
Great Lakes (GL)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018052
PdailyMean_ModisAquaChlaGradMag Day 1
2018051
PdailyMean_ModisAquaChlaGradMag Day 2
2018050
Gulf of Mexico (GM) Mercator Projection
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018052
PdailyMean_ModisAquaChlaGradMag Day 1
2018051
PdailyMean_ModisAquaChlaGradMag Day 2
2018050
Hawaii (HI)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018052
PdailyMean_ModisAquaChlaGradMag Day 1
2018051
PdailyMean_ModisAquaChlaGradMag Day 2
2018050
Northeast (NE)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018052
PdailyMean_ModisAquaChlaGradMag Day 1
2018051
PdailyMean_ModisAquaChlaGradMag Day 2
2018050
Southeast (SE)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018052
PdailyMean_ModisAquaChlaGradMag Day 1
2018051
PdailyMean_ModisAquaChlaGradMag Day 2
2018050
West Coast (WC)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018052
PdailyMean_ModisAquaChlaGradMag Day 1
2018051
PdailyMean_ModisAquaChlaGradMag Day 2
2018050