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NOAA Great Lakes CoastWatch Current Visible Reflectance Products [ Click on images below ] |
| Erie/ Ontario |
Michigan/ Huron |
Superior | |
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| Subtraction Ch.1 - Ch.2 (0.0-6.5%) |
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| Archive | Archive | Archive | |
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Histogram Equalized Ch.1 (0.0-100.0%) |
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Great Lakes CoastWatch visible reflectance products are produced using two types of Advanced Very High Resolution Radiometer (AVHRR) satellite data. AVHRR channel 2 (reflected infrared at frequency 0.725-1.0 µm) and channel 1 (visible light at frequency 0.58-0.68 µm) from daytime passes of NOAA polar orbiting satellites are used to produce this data, which is useful in the detection of suspended solids and algal blooms in the Great Lakes.