UAV-Derived Data Application for Environmental Monitoring of the Coastal Area of Lake Sevan, Armenia with a Changing Water Level. - Andrey Medvedev; Natalia Telnova; Natalia Alekseenko; Alexander Koshkarev; Pyotr Kuznetchenko; Shushanik Asmaryan; Alexey Narykov (Remote. Sens., 2020)