The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this natural-color image on January 15, 2015. Pristine snow blankets the mountains and plains, and tendrils of sea ice fill Bristol Bay. Credit: NASA/Jeff Schmaltz

November, 2015

Seeing sea ice, more or less

Observing sea ice from space is sometimes tricky. Water vapor in the atmosphere makes seawater look like ice. Coastlines covered with ice make nearby ocean look iced-over, a problem called land-ocean spillover. Scientists adjust for such misinterpretations by creating masks based on previous sea ice conditions to conceal problem areas and highlight areas they know… Read more »

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