Earth Observatory Surface Water Water Blooms Water Quality Algae Swirls Across a South African Reservoir Guest authors January 7, 2026 0 Vivid green blooms form, drift, and fade in Hartbeespoortdam reservoir over the course of a year.
Earth Observatory Surface Water A Siberian Snowman in Billings Guest authors December 17, 2025 0 Winds, waves, and ice near a remote town on the Chukchi Peninsula have sculpted a series of coastal inshore lagoons that resemble an icon of winter.