Application of phosphorus cycle models on the upper kis-balaton reservoir

Adrienne Clement, L. Somlyódy, László Koncsos

Research output: Contribution to journalArticle

Abstract

The Kis-Balaton reservoir system, consisting of the upper and lower elements was established for the protection of Lake Balaton against high nutrient loads. In accordance with the original plan the aim was that before entering the lake, nutrients - primarily phosphorus (P) - will be removed by macrophytes. Contrary to plans, the Upper Reservoir became an open lake dominated by algae that has retained its phosphorus load with a reasonable efficiency until 1991. After introducing P precipitation at Zalaegerszeg, P retention of the reservoir has significantly decreased. This fact can be explained by the increasing role of the internal load. To analyze the phosphorus removal mechanisms and to understand the behavior of the sediment, different water quality models were applied. P retention is characterized by different processes acting differently spatially. Essentially, abiotic processes like settling of inorganic particulate P and the adsorption of dissolved inorganic P are responsible for the P retention in the reservoir, mostly in the neck of the Upper Reservoir. Models calibrated are felt suitable to analyze future performances of both reservoir elements.

Original languageEnglish
Pages (from-to)619-626
Number of pages8
JournalInternational Review of Hydrobiology
Volume83
Issue numberSPEC. ISS.
Publication statusPublished - 1998

Fingerprint

phosphorus cycle
algae
phosphorus
lakes
pollution load
hydrologic models
macrophytes
neck
particulates
lake
adsorption
sediments
nutrient
nutrients
alga
water quality
sediment

Keywords

  • Balaton
  • Eutrophication
  • Internal load
  • Modeling
  • Phosphorus cycle

ASJC Scopus subject areas

  • Aquatic Science

Cite this

Application of phosphorus cycle models on the upper kis-balaton reservoir. / Clement, Adrienne; Somlyódy, L.; Koncsos, László.

In: International Review of Hydrobiology, Vol. 83, No. SPEC. ISS., 1998, p. 619-626.

Research output: Contribution to journalArticle

Clement, Adrienne ; Somlyódy, L. ; Koncsos, László. / Application of phosphorus cycle models on the upper kis-balaton reservoir. In: International Review of Hydrobiology. 1998 ; Vol. 83, No. SPEC. ISS. pp. 619-626.
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