NOAA Office of Satellite and Product Operations

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MODIS / Aqua NASA L2gen NIR Ocean Color Products

The MODIS/Terra ocean color products are derived by using the NASA L2gen SeaDAS codes based on Near-Infrared (NIR) atmospheric correction algorithm. The products include chlorophyll concentration and remote sensing reflectance at 667 nm over 2 CoastWatch Regions-of-Interest, i.e., Gulf of Mexico (GOM) and Hawaii (HI).

Chlorophyll concentration provides an estimate of the live phytoplankton biomass in the surface layer. It is also referred to as the amount of the green pigment chlorophyll. The chlorophyll anomaly is generated when today's chlorophyll concentration data is compared to the bi-monthly mean. A positive anomaly indicates new algal growth. Bi-monthly mean values are averages calculated over 61 days.

Daily Mean (w/Granules)  |  Anomaly  |  Bimonthly Mean

Chlorophyll Concentration (Chl-a): Daily Mean
Region
12/10/2018
12/09/2018
12/08/2018
Northeast (NE)
Granules
PdailyMean_ModisAquaNirChlA Day 0
  
PdailyMean_ModisAquaNirChlA Day 1
2018343
PdailyMean_ModisAquaNirChlA Day 2
2018342
Southeast (SE)
Granules
PdailyMean_ModisAquaNirChlA Day 0
  
PdailyMean_ModisAquaNirChlA Day 1
2018343
PdailyMean_ModisAquaNirChlA Day 2
2018342
Gulf of Mexico (GM) Albers Projection
Granules
PdailyMean_ModisAquaNirChlA Day 0
  
PdailyMean_ModisAquaNirChlA Day 1
2018343
PdailyMean_ModisAquaNirChlA Day 2
2018342
Gulf of Mexico (GM) Mercator Projection
Granules
PdailyMean_ModisAquaNirChlA Day 0
  
PdailyMean_ModisAquaNirChlA Day 1
2018343
PdailyMean_ModisAquaNirChlA Day 2
2018342
Carribbean (CB)
Granules
PdailyMean_ModisAquaNirChlA Day 0
  
PdailyMean_ModisAquaNirChlA Day 1
2018343
PdailyMean_ModisAquaNirChlA Day 2
2018342
West Coast (WC)
Granules
PdailyMean_ModisAquaNirChlA Day 0
  
PdailyMean_ModisAquaNirChlA Day 1
2018343
PdailyMean_ModisAquaNirChlA Day 2
2018342
Alaska (AK)
Granules
PdailyMean_ModisAquaNirChlA Day 0
  
PdailyMean_ModisAquaNirChlA Day 1
2018343
PdailyMean_ModisAquaNirChlA Day 2
2018342
East Tropical Pacific (EP)
Granules
PdailyMean_ModisAquaNirChlA Day 0
  
PdailyMean_ModisAquaNirChlA Day 1
2018343
PdailyMean_ModisAquaNirChlA Day 2
2018342
Equatorial Atlantic (EA)
Granules
PdailyMean_ModisAquaNirChlA Day 0
  
PdailyMean_ModisAquaNirChlA Day 1
2018343
PdailyMean_ModisAquaNirChlA Day 2
2018342
Great Lakes (GL)
Granules
PdailyMean_ModisAquaNirChlA Day 0
  
PdailyMean_ModisAquaNirChlA Day 1
2018343
PdailyMean_ModisAquaNirChlA Day 2
2018342
Hawaii (HI)
Granules
PdailyMean_ModisAquaNirChlA Day 0
  
PdailyMean_ModisAquaNirChlA Day 1
2018343
PdailyMean_ModisAquaNirChlA Day 2
2018342
North Atlantic (NA)
Granules
PdailyMean_ModisAquaNirChlA Day 0
  
PdailyMean_ModisAquaNirChlA Day 1
2018343
PdailyMean_ModisAquaNirChlA Day 2
2018342
Pacific Basin (PB)
Granules
PdailyMean_ModisAquaNirChlA Day 0
  
PdailyMean_ModisAquaNirChlA Day 1
2018343
PdailyMean_ModisAquaNirChlA Day 2
2018342