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TZUNTIL:20261025T010000Z
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DTSTART:20241027T030000
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UID:www.bayceer.uni-bayreuth.de-bayceer-t171371id
DTSTAMP:20260814T214418Z
DESCRIPTION:Authors: Karel As\, Gabriele Trommer\, and Stefan Peiffer\nLake
  warming as a result of climate change can have important consequences for
  reservoir nutrient dynamics and has frequently been addressed by modellin
 g studies due to a lack of data sets that monitored important trends in nu
 trients and anoxia over significantly long periods of time. Here\, we anal
 ysed monitoring data obtained between 2000 and 2020 in the Franconian Lake
  District (FLD)\, Germany\, resulting in a highly detailed data set allowi
 ng the distinguishing of trends in nutrient concentrations\, thermal strat
 ification and anoxia. The FLD consists of a cascade of 3 interconnected re
 servoirs starting with a highly eutropic\, shallow reservoir receiving hig
 h nutrient loads form a uplake catchment. From here water is transfered to
  the other deep reservoirs (eutrophic and mesotrophic\, respectively). For
  these reservoirs\, an increase in temperature in the epilimnion was obser
 ved. As a consequence\, the period of stratification has been prolonging a
 nd anoxia became an increasingly persistent characteristic of the reservoi
 r. During the stratified period\, release rates of ortho-phosphate signifi
 cantly increased as well as levels of ortho-phosphate in the entire lakes`
  volume albeit the input of P into the reservoirs remained constant. Such 
 shifts resulted in a strongly increased internal P loading from the sedime
 nts with implications for the N:P ratios in the lake water. Our study high
 lights the intricate coupling between physical and biogeochemical processe
 s that need to be considered in the discussion about the response of surfa
 ce water bodies on climate change.
DTSTART;TZID=Europe/Berlin:20241128T121500
DTEND;TZID=Europe/Berlin:20241128T134500
LOCATION:H6\, Geo
SUMMARY:Prof. Stefan Peiffer\, Department of Hydrology\, BayCEER (Homepage)
 : Effect of Global warming on Nutrient Limitations in a temperate reservoi
 r system
TRANSP:TRANSPARENT
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