Ice in the Weddell Sea, Antarctica (IMAGE) University of Cambridge Caption Leads and floes in the Weddell Sea. Image shows a variety of sea ice types ranging from relatively young ‘Nilas’ (blues/greens; thickness ~10 cm) to multi-year floes (white; thickness ~1-2.5 or m or greater). Image acquired by the Operational Land Imager instrument onboard NASA/USGS Landsat 8 on 21st October 2018, and processed by Dr. Frazer Christie, Scott Polar Research Institute. Credit Dr Frazer Christie Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.