The role of sediments in P retention of the Kis-Balaton reservoir

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The Upper Kis-Balaton Reservoir, opened in 1985, quickly developed into a hypertrophie lake in accordance with its high P load. The original soils contained, as an average, 2% of CaCO3. The Reservoir has retained ≈50 thousand tons of calcite; mean carbonate content of the present sediments is ≈20%. A simple sediment mass balance described fairly well temporal changes of annual average sediment composition, assuming constant mixing depth ever since the inundation. A single CaCO3-based sorption isotherm derived from the model seems to regulate outflow SRP concentrations. P sorption properties of shallow reservoir sediments that ultimately determine P retention of the system, develop towards a quasi-equilibrium as the ratio of the soils occluded onto the sediments decreases.

Original languageEnglish
Pages (from-to)225-234
Number of pages10
JournalInternational Review of Hydrobiology
Volume83
Issue numberSPEC. ISS.
Publication statusPublished - 1998

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sediments
sediment
sorption
sorption isotherms
calcite
carbonates
soil
mass balance
isotherm
outflow
carbonate
lakes
lake

Keywords

  • CaCo
  • Original soils
  • P sorption
  • Reservoir deposits
  • Sediment mass balance

ASJC Scopus subject areas

  • Aquatic Science

Cite this

The role of sediments in P retention of the Kis-Balaton reservoir. / Istvánovics, V.; Somlyódy, L.

In: International Review of Hydrobiology, Vol. 83, No. SPEC. ISS., 1998, p. 225-234.

Research output: Contribution to journalArticle

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