Citizen scientists collected rare ice data, confirm warming since industrial revolution
Tuesday, April 26, 2016 - 11:00
in Earth & Climate
In 1442, Shinto priests in Japan began keeping records of the freeze dates of a nearby lake, while in 1693 Finnish merchants started recording breakup dates on a local river. Together they create the oldest inland water ice records in human history and mark the first inklings of climate change, says new research.