Lake Võrtsjärv, Estonia
This Copernicus Sentinel-2 image, acquired on 13 April 2025, shows Lake Võrtsjärv – the second-largest lake in Estonia – during the spring thaw.
Visible across the lake’s surface are distinct greenish swirls, indicating the presence of suspended sediments in the water. Such patterns are typical at this time of year, as melting snow and ice from the surrounding landscape transport fine sediments into the lake. The resulting inflows create dynamic surface textures, particularly in shallow areas, where wind and water movement further redistribute the material.
Copernicus delivers vital data for tracking seasonal changes in water quality and supporting conservation measures. This information enables improved management of ecologically sensitive areas, balancing biodiversity protection with local livelihoods.
