NASA Earth on Instagram: "For over 50 years, @nasa/@usgs Landsat satellites have monitored Earth’s coastlines. While coastal ecosystems cover only a small portion of our planet, they play an important role: storing carbon, buffering storms, and sheltering wildlife. This data helps us understand how coastal ecosystems are changing. For example, Landsat data has shown how hurricanes impact mangroves, expanding meadows of eelgrass, changes in water quality, and more. #Earth #NASA #Coast #Beach #Sci

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