Effect of climate change on thermal-ice regime of shallow lakes compared to deep lakes: Case study of lakes in the temperate zone (Northern Poland)

Effect of climate change on regime of lakes

  • Włodzimierz Marszelewski | marszel@umk.pl Nicolaus Copernicus University in Toruń, Department of Hydrology and Water Management, Poland. https://orcid.org/0000-0002-1776-8986
  • Bożena Pius Nicolaus Copernicus University in Toruń, Department of Hydrology and Water Management, Poland.

Abstract

The objective of this study is to determine the usefulness of results of hydrological observations (1961-2015) carried out in a deep lake for the assessment changes in the ice-thermal regime of a shallow lake. The paper is based on results of daily values of surface water temperature and ice phenomena in shallow Lake Łebsko and deep Lake Charzykowskie. Similar, statistically significant, positive trends of water temperature were determined in both lakes (0.26°C 10 year-1 in Lake Łebsko and 0.25°C 10 year-1 in Lake Charzykowskie). The fastest increase in mean monthly water temperature in the analysed period (1961-2015) occurred in May (3.37°C in Lake Charzykowskie) and April (2.76°C in Lake Łebsko). The majority of elements of the thermal regime of surface waters in shallow lakes were generally determined to be similar to the same elements in deep lakes, and the effect of climatic changes on the thermal regime of both lakes was found to be similar. Less similarity is observed between elements of the ice regime, particularly in date of decline of the ice cover.

 

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Published
2018-11-14
Info
Issue
Section
Original Articles
Edited By
Marco Toffolon, University of Trento, Italy
Supporting Agencies
National Centre for Research and Development of Warsaw (Poland) through the ERALECC project (ERA.Net RUS Plus; ID 226)
Keywords:
climate warming, water temperature, ice cover, shallow lakes, deep lakes
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How to Cite
1.
Marszelewski W, Pius B. Effect of climate change on thermal-ice regime of shallow lakes compared to deep lakes: Case study of lakes in the temperate zone (Northern Poland): Effect of climate change on regime of lakes. J Limnol [Internet]. 2018Nov.14 [cited 2020Jun.6];78(1). Available from: https://www.jlimnol.it/index.php/jlimnol/article/view/jlimnol.2018.1763