Note: The Bockstoce and Botkin Historical Sea Ice Data Study has a new home at the University of Alaska website. The data include more than 52,000 daily observations in an unbroken 65 year record from 1849 – 1914.J R Bockstoce Eskimos in boats  Related Papers Bockstoce, J.R. and D.B. Botkin, 1980, The Historical Status and Reduction … Continue reading How Old Whaling Ships Logbooks Help Us Understand More About Climate Change. Research by Bockstoce and Botkin