Figure - available from: The Cryosphere
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The difference in days between the break-up date in the Kokemäki River and the ice-off event in the Aura River. A negative value indicates the number of days the ice-off event in the Aura River preceded the break-up date in the Kokemäki River. Vice versa, a positive value shows how many days the break-up in the Kokemäki River occurred before the ice-off date in the Aura River. See Sect. 4.1 for more information on the boxes.
Source publication
At high latitudes, long-term changes in riverine ice break-ups are exemplary measures of climatic change and variation. This study compares cryophenological trends, patterns and changes for the rivers Aura (1749–2020), Torne (1693–2020) and Kokemäki (1793–2020); all sites are located in Finland. The Kokemäki River series is a new series from the ci...
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Citations
... In addition to instrumental measurements, documentary data can also provide precise climate information. Specifically, ice phenology (dates of freezing and thawing of rivers or harbours) and plant phenology (Norrgård & Helama, 2002) provide quantitative climate information over the past 300 years. ...
