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Modelling diffuse nutrient flow in eutrophication control scenarios
SMHI, Research Department, Hydrology.ORCID iD: 0000-0001-8314-0735
SMHI, Core Services.ORCID iD: 0000-0001-7490-7949
SMHI, Research Department, Hydrology.
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2004 (English)In: Water Science and Technology, ISSN 0273-1223, E-ISSN 1996-9732, Vol. 49, no 3, 37-45 p.Article in journal (Refereed) Published
Abstract [en]

The Swedish Water Management Research Programme (VASTRA) focuses on the development and demonstration of tools for more efficient eutrophication control when implementing the EU water framework directive in Sweden. During the first half of the programme, models for nitrogen flow were developed, and at present, similar models for phosphorus are under construction (e.g. HBV-P). The programme is interdisciplinary, and scientists are collaborating in actor-games and focus group evaluations including scenario analysis. The scenarios modelled in VASTRA phase 1, show that (i) changed agricultural practices can be the most effective and-least expensive way to reduce nitrogen transport from land to, the sea; (ii) constructed agricultural wetlands may only have small impact on riverine nitrogen transport in some regions, due to natural hydrometeorological dynamics; (iii) removing planktivorous fish may be an efficient way of reducing the algal concentrations in lakes without the undesired side-effect of increased nutrient load to the down-stream river system. In VASTRA phase 11, one of the highlights will be interdisciplinary scenario-modelling of different measure strategies in a pilot catchment of southern Sweden (Ronne a).

Place, publisher, year, edition, pages
2004. Vol. 49, no 3, 37-45 p.
Keyword [en]
catchment, lake, modelling, nitrogen, phosphorus, scenarios, VASTRA
National Category
Oceanography, Hydrology, Water Resources
Research subject
Hydrology
Identifiers
URN: urn:nbn:se:smhi:diva-1334ISI: 000220526700005PubMedID: 15053097OAI: oai:DiVA.org:smhi-1334DiVA: diva2:814088
Conference
6th International Conference on Diffuse Pollution, SEP 30-OCT 04, 2002, Amsterdam, NETHERLANDS
Available from: 2015-05-26 Created: 2015-05-26 Last updated: 2016-07-06Bibliographically approved

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