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<p>We present 50 years of monitoring data on water quality of Lake Stechlin, a deep, dimictic hardwater lake in northeastern Germany known for its exceptionally clear water. Although located in a forested catchment, the lake has undergone major changes in recent decades, including a period of massive heating of surface water when receiving cooling water from a nearby nuclear power plant (1966–1990), accompanied by a greatly shortened water residence time from more than 40 years to less than 300 days. These changes are superimposed by a long-term trend of surface water warming and a concomitant decrease in winter ice cover. Total phosphorus concentrations have quadrupled since 2010 and zones of deep-water oxygen depletion have greatly expanded. The presented dataset covers basic water-chemical and physical records taken at monthly to fortnightly intervals from 1970 to 2020, documenting limnological changes during that period. Furthermore, it serves as a valuable basis to assess and project potential consequences of climate change and other types of environmental change on deep clearwater lakes in temperate climates.</p>

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Fifty years of limnological data on Lake Stechlin, a temperate clearwater lake

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年6月18日

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  • Sabine Wollrab,
  • Silke R. Schmidt,
  • Jason Woodhouse,
  • Peter Kasprzak,
  • Stella A. Berger,
  • Ute Beyer,
  • Matthias Bodenlos,
  • Johanna Dalchow,
  • Monika Degebrodt,
  • Lars Ganzert,
  • Thomas Gonsiorczyk,
  • Elfi Huth,
  • Christine Kiel,
  • Lutz Küchler,
  • Lothar Krienitz,
  • Maren Lentz,
  • Elke Mach,
  • Uta Mallok,
  • Jens C. Nejstgaard,
  • Monika Papke,
  • Armin Penske,
  • Solvig Pinnow,
  • Reingard Roßberg,
  • Diethelm Ronneberger,
  • Michael Sachtleben,
  • Adelheid Scheffler,
  • Hans-Peter Grossart,
  • Peter Casper,
  • Mark O. Gessner,
  • Rainer Koschel

摘要

We present 50 years of monitoring data on water quality of Lake Stechlin, a deep, dimictic hardwater lake in northeastern Germany known for its exceptionally clear water. Although located in a forested catchment, the lake has undergone major changes in recent decades, including a period of massive heating of surface water when receiving cooling water from a nearby nuclear power plant (1966–1990), accompanied by a greatly shortened water residence time from more than 40 years to less than 300 days. These changes are superimposed by a long-term trend of surface water warming and a concomitant decrease in winter ice cover. Total phosphorus concentrations have quadrupled since 2010 and zones of deep-water oxygen depletion have greatly expanded. The presented dataset covers basic water-chemical and physical records taken at monthly to fortnightly intervals from 1970 to 2020, documenting limnological changes during that period. Furthermore, it serves as a valuable basis to assess and project potential consequences of climate change and other types of environmental change on deep clearwater lakes in temperate climates.