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
07/19/2018
07/18/2018
07/17/2018
Alaska (AK)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018200
PdailyMean_ModisAquaChlaGradMag Day 1
2018199
PdailyMean_ModisAquaChlaGradMag Day 2
2018198
Carribbean (CB)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018200
PdailyMean_ModisAquaChlaGradMag Day 1
2018199
PdailyMean_ModisAquaChlaGradMag Day 2
2018198
East Tropical Pacific (EP)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018200
PdailyMean_ModisAquaChlaGradMag Day 1
2018199
PdailyMean_ModisAquaChlaGradMag Day 2
2018198
Great Lakes (GL)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018200
PdailyMean_ModisAquaChlaGradMag Day 1
2018199
PdailyMean_ModisAquaChlaGradMag Day 2
2018198
Gulf of Mexico (GM) Mercator Projection
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018200
PdailyMean_ModisAquaChlaGradMag Day 1
2018199
PdailyMean_ModisAquaChlaGradMag Day 2
2018198
Hawaii (HI)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018200
PdailyMean_ModisAquaChlaGradMag Day 1
2018199
PdailyMean_ModisAquaChlaGradMag Day 2
2018198
Northeast (NE)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018200
PdailyMean_ModisAquaChlaGradMag Day 1
2018199
PdailyMean_ModisAquaChlaGradMag Day 2
2018198
Southeast (SE)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018200
PdailyMean_ModisAquaChlaGradMag Day 1
2018199
PdailyMean_ModisAquaChlaGradMag Day 2
2018198
West Coast (WC)
Granules
PdailyMean_ModisAquaChlaGradMag Day 0
2018200
PdailyMean_ModisAquaChlaGradMag Day 1
2018199
PdailyMean_ModisAquaChlaGradMag Day 2
2018198