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ADModel for phosphorus compounds (ADModel-P)

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Created: Sep 30, 2021 at 1:23 p.m.
Last updated: Sep 30, 2021 at 7:28 p.m.
DOI: 10.4211/hs.6b2cde0ea82b439d83cf96f5b61aa1f6
Citation: See how to cite this resource
Content types: Model Program Content 
Sharing Status: Published
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ADModel-P is a detailed advection-dispersion mathematical model for the transport of nutrient species along rivers. The model has been calibrated and verified for a stretch of 54km of River Swale, UK, located between Catterick (National Grid Reference, NGR, SE225994508) and Crakehill (NGR SE426734). ADModel-P presented here is capable to simulate 2 species of phosphorus at high spatio-temporal resolution. The model accounts on field data (water flow and concentrations) and a detailed representation of phenomena which empowers good prediction efficiency of concentrations. ADModel-P also enables a detailed perspective on the modelling of pollutant transformations in the river stretch. Five classes of transformations are presented for the soluble reactive phosphorus (SRP) and organic phosphorus (OP). ADModel-P enabled generate empirical relations to express the dynamics of the following process rates: mineralization, sedimentation, resuspension, uptake and adsorption /desorption. These relations cater for a wide range of conditions with respect to water flow, temperatures and seasonality, for which the calibration and verification has been done.

Subject Keywords



Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
River Swale between Catterick Bridge (National Grid Reference, NGR, SE225994508) and Crakehill (NGR SE426734)
North Latitude
East Longitude
South Latitude
West Longitude


Start Date:
End Date:


Additional Metadata

Name Value
MIGRATED_FROM Model Program Resource

Related Resources

This resource updates and replaces a previous version Timis, E. C. (2020). ADModel for phosphorus compounds, HydroShare,
The content of this resource references The employed water flow measurements can be accessed online on the National River Flow Archive (UK) site (
The content of this resource references Hutchins, M. G., E. A. Timis (2020). Field data for the development of ADModel, HydroShare,


Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.


People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Michael George Hutchins UK Centre for Ecology and Hydrology Wallingford Maclean Building, Crowmarsh Gifford, Wallingford, Oxfordshire, OX10 8BB, UK +44 (0)1491 692478
Vasile Mircea Cristea Babes Bolyai University, Computer Aided Process Engineering Research Centre 11, Arany Janos Street, 400028, Cluj-Napoca, Cluj, Romania +40264593833

How to Cite

Timis, E. C. (2021). ADModel for phosphorus compounds (ADModel-P), HydroShare,

This resource is shared under the Creative Commons Attribution CC BY.


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