Primary production and phosphorus modelling in LakeVegoritis, Greece


Submitted: 8 June 2015
Accepted: 8 June 2015
Published: 16 January 2014
Abstract Views: 1142
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Authors

  • Soultana K. Gianniou Department of Hydraulics, Soil Science and Agricultural Engineering, School of Agriculture, Aristotle University of Thessaloniki, Greece.
  • Vassilis Z. Antonopoulos Department of Hydraulics, Soil Science and Agricultural Engineering, School of Agriculture, Aristotle University of Thessaloniki, Greece.
Primary production and phosphorus are two of the most important determinants of the water quality of lakes. Phytoplankton primary production and phosphorus cycling were modelled within a one-dimensional lake water quality model. The model was calibrated and applied to Lake Vegoritis in Greece for two different years (1981 and 1993) using daily meteorological variables and inflow rates as input data. Monthly profiles of temperature, chlorophyll-a, and oxygen concentration for these two years were used to calibrate the model. Simulation results indicate that the thermal regime of the lake strongly affects phosphorus profiles and that phytoplankton concentrations throughout the year are tightly correlated with soluble reactive phosphorus concentrations. The significant decrease in the depth and the volume of the lake from 1981 to 1993 resulted in important changes in phytoplankton and phosphorus concentrations. A sensitivity analysis was conducted to estimate the errors resulting from the uncertainty in the biochemical variables of the model and the limited data on phosphorus and phytoplankton.

Gianniou, S. K., & Antonopoulos, V. Z. (2014). Primary production and phosphorus modelling in LakeVegoritis, Greece. Advances in Oceanography and Limnology, 5(1), 18–40. https://doi.org/10.4081/aiol.2014.5349

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