Weather Blog A Sea Aswirl With Chlorophyll One of NASA’s newest Earth-observing sensors extends and improves the continuous measurement of light-harvesting pigments in ocean surface waters. Read More… About Author OTW Observer See author's posts Post navigation Previous Why are there so many thunderstorms in summer and why are they more common in London?Next From Forest to Field in Pará Related Stories Seeing Blue During Schirmacher’s Summer Melt Season Weather Blog Seeing Blue During Schirmacher’s Summer Melt Season March 30, 2026 NISAR’s View of Mount Rainier Weather Blog NISAR’s View of Mount Rainier March 27, 2026 NISAR Views Mount St. Helens Weather Blog NISAR Views Mount St. Helens March 27, 2026