To evaluate changes in the environment and in water quality, monitoring systems with a broad spatial and temporal coverage are essential. In a study recently published in the scientific journal Remote sensing of Environment, Therese Harvey and colleagues compare two monitoring methods for measuring chlorophyll-a and assess water quality and eutrophication: conventional ship-based monitoring and satellite-based monitoring. The results show that the two methods produce similar results, and that satellite-based monitoring is reliable. Using satellite measurements as a complementary method to in situ data, makes it possible both to better capture the spatial dynamics of phytoplankton blooms and to provide a higher temporal resolution.

The results are important as they suggest that the use of remote sensing measurements might enhance monitoring and management of coastal zones. Congratulations to Therese for this important publication.

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