Developing an independent, generic, phosphorus modelling component for use with grid-oriented, physically-based distributed catchment models

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dc.contributor.author Nasr, Ahmed Elssidig
dc.contributor.author Taskinen, Antti
dc.contributor.author Bruen, Michael
dc.date.accessioned 2010-08-26T14:23:27Z
dc.date.available 2010-08-26T14:23:27Z
dc.date.copyright IWA Publishing 2005 en
dc.date.issued 2005-03
dc.identifier.citation Water Science and Technology en
dc.identifier.issn 0273-1223
dc.identifier.uri http://hdl.handle.net/10197/2438
dc.description.abstract Grid-oriented, physically based catchment models calculate fields of various hydrological variables relevant to phosphorous detachment and transport. These include (i) for surface transport: overland flow depth and flow in the coordinate directions, sediment load, and sediment concentration and (ii) for subsurface transport: soil moisture and hydraulic head at various depths in the soil. These variables can be considered as decoupled from any chemical phosphorous model since phosphorous concentrations, either as dissolved or particulate, do not influence the model calculations of the hydrological fields. Thus the phosphorous concentration calculations can be carried out independently from and after the hydrological calculations. This makes it possible to produce a separate phosphorous modelling component which takes as input the hydrological fields produced by the catchment model and which calculates, at each step the phosphorous concentrations in the flows. This paper summarise the equations and structure of Grid Oriented Phosphorous Component (GOPC) developed for simulating the phosphorus concentrations and loads using the outputs of a fully distributed physical based hydrological model. Also the GOPC performance is illustrated by am example of an experimental catchment (created by the author) subjected to some ideal conditions. en
dc.description.sponsorship Other funder en
dc.format.extent 288424 bytes
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.requires Critical Infrastructure Group Research Collection en
dc.subject Grid oriented phosphorus component en
dc.subject Phosphorus modelling en
dc.subject Phosphorus transport en
dc.subject Soil phosphorus en
dc.subject.lcsh Soils--Phosphorus content en
dc.subject.lcsh Water--Phosphorus content en
dc.subject.lcsh Hydrologic models en
dc.title Developing an independent, generic, phosphorus modelling component for use with grid-oriented, physically-based distributed catchment models en
dc.type Journal Article en
dc.internal.availability Full text available en
dc.internal.webversions Publisher's version en
dc.internal.webversions http://www.iwaponline.com/wst/05103/0135/051030135.pdf en
dc.status Peer reviewed en
dc.identifier.volume 51 en
dc.identifier.issue 3-4 en
dc.identifier.startpage 135 en
dc.identifier.endpage 142 en
dc.neeo.contributor Nasr|Ahmed Elssidig|aut| en
dc.neeo.contributor Taskinen|Antti|aut| en
dc.neeo.contributor Bruen|Michael|aut| en
dc.description.othersponsorship Environmental Protection Agency en
dc.description.othersponsorship Teagasc en
dc.description.admin Publisher full text at - http://www.iwaponline.com/wst/05103/wst051030135.htm. DG 20/07/10 ke - AL 26/08/2010 en


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