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The purpose of this manual is to support use of satellite-based remote sensing for statewide lake water-quality monitoring in Maine. The authors describe step-by-step methods that combine Landsat and MODIS satellite data with field-collected Secchi disk data for statewide assessment of lake water clarity. Landsat can be simultaneously used to assess more than Maine 1,000 lakes ≥ 8 ha, whereas MODIS can be used to assess a maximum of 364 lakes ≥ 100 ha (250-m image resolution) or 83 lakes ≥ 400 ha (500-m image resolution). Although the methods were specifically developed for Maine, other states or non-Maine agencies may find these methods as useful starting points in developing their own protocols for regional remote lake monitoring.
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Maine Agricultural and Forest Experiment Station
remote sensing, Landsat satellite data, MODIS satellite data, lake clarity, water clarity
Environmental Chemistry | Environmental Monitoring | Fresh Water Studies | Water Resource Management
McCullough, I.M., C.S. Loftin, and S. Sader. 2013. A manual for remote sensing of Maine lake clarity. Maine Agricultural and Forest Experiment Station Technical Bulletin 207.