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Volume 10, issue 1
Earth Syst. Sci. Data, 10, 391–404, 2018
https://doi.org/10.5194/essd-10-391-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Earth Syst. Sci. Data, 10, 391–404, 2018
https://doi.org/10.5194/essd-10-391-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

  07 Mar 2018

07 Mar 2018

Long-term ice phenology records from eastern–central Europe

Katalin Takács1, Zoltán Kern2, and László Pásztor1 Katalin Takács et al.
  • 1Institute for Soil Sciences and Agricultural Chemistry, MTA Centre for Agricultural Research, Herman Ottó 15, Budapest, 1022, Hungary
  • 2Institute for Geological and Geochemical Research, MTA Research Centre for Astronomy and Earth Sciences, Budaörsi 45, Budapest, 1112, Hungary

Abstract. A dataset of annual freshwater ice phenology was compiled for the largest river (Danube) and the largest lake (Lake Balaton) in eastern–central Europe, extending regular river and lake ice monitoring data through the use of historical observations and documentary records dating back to AD 1774 and AD 1885, respectively. What becomes clear is that the dates of the first appearance of ice and freeze-up have shifted, arriving 12–30 and 4–13 days later, respectively, per 100 years. Break-up and ice-off have shifted to earlier dates by 7–13 and 9–27 days/100 years, except on Lake Balaton, where the date of break-up has not changed significantly. The datasets represent a resource for (paleo)climatological research thanks to the strong, physically determined link between water and air temperature and the occurrence of freshwater ice phenomena. The derived centennial records of freshwater cryophenology for the Danube and Balaton are readily available for detailed analysis of the temporal trends, large-scale spatial comparison, or other climatological purposes. The derived dataset is publicly available via PANGAEA at https://doi.org/10.1594/PANGAEA.881056.

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Annual ice phenology was compiled for the largest river (Danube) and lake (Balaton) in eastern–central Europe back to AD 1774 and AD 1885, respectively. The dates of the first appearance of ice and freeze-up have shifted to later. Break-up and ice-off have shifted to earlier, except break-up on Lake Balaton. The derived centennial records of freshwater cryophenology for the Danube and Balaton are readily available for detailed analysis of the temporal trends or other climatological purposes.
Annual ice phenology was compiled for the largest river (Danube) and lake (Balaton) in...
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