LU, Q., P.G. WHITEHEAD, G. BUSSI, M.N. FUTTER and Luca NIZZETTO. Modelling metaldehyde in catchments: a River Thames case-study. ENVIRONMENTAL SCIENCE-PROCESSES AND IMPACTS. CAMBRIDGE: ROYAL SOC CHEMISTRY, 2017, vol. 19, No 4, p. 586-595. ISSN 2050-7887. Available from: https://dx.doi.org/10.1039/c6em00527f.
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Basic information
Original name Modelling metaldehyde in catchments: a River Thames case-study
Authors LU, Q. (826 United Kingdom of Great Britain and Northern Ireland), P.G. WHITEHEAD (826 United Kingdom of Great Britain and Northern Ireland), G. BUSSI (826 United Kingdom of Great Britain and Northern Ireland), M.N. FUTTER (752 Sweden) and Luca NIZZETTO (380 Italy, guarantor, belonging to the institution).
Edition ENVIRONMENTAL SCIENCE-PROCESSES AND IMPACTS, CAMBRIDGE, ROYAL SOC CHEMISTRY, 2017, 2050-7887.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10511 Environmental sciences
Country of publisher United Kingdom of Great Britain and Northern Ireland
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 2.491
RIV identification code RIV/00216224:14310/17:00100202
Organization unit Faculty of Science
Doi http://dx.doi.org/10.1039/c6em00527f
UT WoS 000399908400012
Keywords in English LAND-USE CHANGE; MULTIPLE SOURCE ASSESSMENT; SURFACE WATERS; NITROGEN MODEL; CLIMATE-CHANGE; INCA; UK; PHOSPHORUS; MANAGEMENT; TRANSPORT Author Information
Tags NZ, rivok
Tags International impact, Reviewed
Changed by Changed by: Ing. Nicole Zrilić, učo 240776. Changed: 9/4/2018 13:10.
Abstract
The application of metaldehyde to agricultural catchment areas to control slugs and snails has caused severe problems for drinking water supply in recent years. In the River Thames catchment, metaldehyde has been detected at levels well above the EU and UK drinking water standards of 0.1 mu g l(-1) at many sites across the catchment between 2008 and 2015. Metaldehyde is applied in autumn and winter, leading to its increased concentrations in surface waters. It is shown that a process-based hydro-biogeochemical transport model (INCA-contaminants) can be used to simulate metaldehyde transport in catchments from areas of application to the aquatic environment. Simulations indicate that high concentrations in the river system are a direct consequence of excessive application rates. A simple application control strategy for metaldehyde in the Thames catchment based on model results is presented.
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