Kinematic model of solute transport in stream networks: example with phosphate retention in Morsa Watershed, Norway

• Autorzy: Wörman A. , Klove B. , Wachniew P.
• Języki publikacji: EN

Abstrakty

EN

A theoretical description of reactive solute transport in a network of stream channels is derived by convoluting unit solutions based on a physical representation of transport and topographical information of the distributions of solute load as well as pathways. The theory is applied to a generic analysis of the phosphate export in Morsa watershed due to the load from 620 individual households with a local wastewater treatment. Essential factors for the phosphate export is filtering of the water in stream-bed sediments through a distribution of hyporheic flow paths of various lengths. This generic study indicates that a significant portion of phosphate is retained in the hyporheic zones for a long time. The 90\% recovery time following a hypothetical remediation action in the households is expected to be in the order of one decade.

Słowa kluczowe

EN

solute transport; watersheds; stream network; hyporheic zone; transport model

• Wydawca: Institute of Hydro-Engineering of Polish Academy of Sciences
• Czasopismo: Archives of Hydro-Engineering and Environmental Mechanics
• Rocznik: 2004
• Tom: Vol. 51, nr 1
• Strony: 41--53
• Opis fizyczny: Bibliogr. 20 poz., tab., il.

Twórcy

autor

Wörman A.

• Department of Biometry and Informatics Swedish University of Agricultural Sciences P.O. Box 7013, 750 07 Uppsala, Sweden

autor

Klove B.

• Norwegian Center for Soil and Environmental Research, Frederik A. Dahls vei 20, N-1432 s Norway

autor

Wachniew P.

• University of Sciences and Technology Faculty of Physics and Nuclear Techniques, ul. Mickiewicza 30, 30-059 Kraków, Poland

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