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Earth System Science Data The Data Publishing Journal
https://doi.org/10.5194/essd-2017-117
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
 
06 Nov 2017
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This discussion paper is a preprint. It is a manuscript under review for the journal Earth System Science Data (ESSD).
Long-term ice phenology records from East Central Europe
Katalin Takács1, Zoltán Kern2, and László Pásztor1 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 data set of annual freshwater ice phenology was compiled for the largest river (Danube) and the largest lake (Lake Balaton) in East Central Europe, extending regular river and lake ice monitoring data through the use of historical observations and documentary records dating back to 1774 AD and 1885 AD, 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 data sets represent a great potential 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 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.

Citation: Takács, K., Kern, Z., and Pásztor, L.: Long-term ice phenology records from East Central Europe, Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2017-117, in review, 2017.
Katalin Takács et al.
Katalin Takács et al.

Data sets

Long-term ice phenology records of Lake Balaton and the Danube River (East Central Europe)
K. Takács and Z. Kern
https://doi.org/10.1594/PANGAEA.881056
Katalin Takács et al.

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Short summary
Annual ice phenology was compiled for the largest river (Danube) and the largest lake (Balaton) in East Central Europe back to 1774 AD and 1885 AD, 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 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 the largest lake (Balaton)...
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