In the next sections, we will argue that sea ice conditions in the late 1970s were relatively severe. (globalwarmingsolved.com)
Scientists have monitored sea ice conditions for about 50 years with the help of satellites. (edition.cnn.com)
There are often discrepancies between information from these centers and our data because they employ additional data sources to capture as much detail on sea ice conditions as possible. (nsidc.org)