https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/440636Edit ImageSaveSaveEditCropCustom TextDartmouth College's Chris Polashenski cuts a block of ice from below a melt pond on sea ice in the Chukchi Sea on July 9, 2010, for analysis upon return from the mission. Original from NASA. Digitally enhanced by rawpixel.MorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 800 x 1200 px | 300 dpiLarge JPEG 2333 x 3500 px | 300 dpiBest Quality JPEG 2848 x 4272 px | 300 dpiTIFF 2848 x 4272 px | 300 dpi | 69.65 MBFree DownloadDartmouth College's Chris Polashenski cuts a block of ice from below a melt pond on sea ice in the Chukchi Sea on July 9, 2010, for analysis upon return from the mission. Original from NASA. Digitally enhanced by rawpixel.More