Estimation of phosphorus export from a Mediterranean agricultural catchment with scarce data

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Estimation of phosphorus export from a Mediterranean agricultural catchment with scarce data. / Gassmann, Matthias; Brito, David; Olsson, Oliver.
In: Hydrological Sciences Journal, Vol. 59, No. 1, 02.01.2014, p. 221–233.

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@article{2973018e3f174087865d931c6e7d6956,
title = "Estimation of phosphorus export from a Mediterranean agricultural catchment with scarce data",
abstract = "Knowledge of the amount of nutrient input to receiving waters by their catchments is often mandatory for water managers. In this study, we estimated the export of phosphorus from a Mediterranean catchment into a downstream reservoir under the constraint of limited sampling data availability. We calibrated the physically- based catchment-scale model ZIN-Sed 2D to a regionalized flow duration curve and scarce event mean sampling data of dissolved and particulate phosphorus. The model results were further confirmed by discussion of soft data from the literature. Our modelling approach differs from commonly applied models by using a time step of less than 1 day, and a Langmuir isotherm for phosphorus sorption instead of the linear isotherm. The successful model application showed that this combination of methods is applicable under data-scarce conditions and the long-term phosphorus export from the study site is below average for this region. ",
keywords = "Sustainability Science, Chemistry, Wasserqualit{\"a}t, Modellierung, phosphorus, Langmuir isotherm, phosphorus export modelling, synthetic flow duration curve, water quality, ZIN-Sed 2D model, Langmuir isotherm, ZIN-Sed 2D model, phosphorus export modelling, synthetic flow duration curve, water quality",
author = "Matthias Gassmann and David Brito and Oliver Olsson",
year = "2014",
month = jan,
day = "2",
doi = "10.1080/02626667.2013.798661",
language = "English",
volume = "59",
pages = "221–233",
journal = "Hydrological Sciences Journal",
issn = "0262-6667",
publisher = "Taylor & Francis",
number = "1",

}

RIS

TY - JOUR

T1 - Estimation of phosphorus export from a Mediterranean agricultural catchment with scarce data

AU - Gassmann, Matthias

AU - Brito, David

AU - Olsson, Oliver

PY - 2014/1/2

Y1 - 2014/1/2

N2 - Knowledge of the amount of nutrient input to receiving waters by their catchments is often mandatory for water managers. In this study, we estimated the export of phosphorus from a Mediterranean catchment into a downstream reservoir under the constraint of limited sampling data availability. We calibrated the physically- based catchment-scale model ZIN-Sed 2D to a regionalized flow duration curve and scarce event mean sampling data of dissolved and particulate phosphorus. The model results were further confirmed by discussion of soft data from the literature. Our modelling approach differs from commonly applied models by using a time step of less than 1 day, and a Langmuir isotherm for phosphorus sorption instead of the linear isotherm. The successful model application showed that this combination of methods is applicable under data-scarce conditions and the long-term phosphorus export from the study site is below average for this region.

AB - Knowledge of the amount of nutrient input to receiving waters by their catchments is often mandatory for water managers. In this study, we estimated the export of phosphorus from a Mediterranean catchment into a downstream reservoir under the constraint of limited sampling data availability. We calibrated the physically- based catchment-scale model ZIN-Sed 2D to a regionalized flow duration curve and scarce event mean sampling data of dissolved and particulate phosphorus. The model results were further confirmed by discussion of soft data from the literature. Our modelling approach differs from commonly applied models by using a time step of less than 1 day, and a Langmuir isotherm for phosphorus sorption instead of the linear isotherm. The successful model application showed that this combination of methods is applicable under data-scarce conditions and the long-term phosphorus export from the study site is below average for this region.

KW - Sustainability Science

KW - Chemistry

KW - Wasserqualität

KW - Modellierung

KW - phosphorus

KW - Langmuir isotherm

KW - phosphorus export modelling

KW - synthetic flow duration curve

KW - water quality

KW - ZIN-Sed 2D model

KW - Langmuir isotherm

KW - ZIN-Sed 2D model

KW - phosphorus export modelling

KW - synthetic flow duration curve

KW - water quality

UR - http://www.scopus.com/inward/record.url?scp=84900259754&partnerID=8YFLogxK

U2 - 10.1080/02626667.2013.798661

DO - 10.1080/02626667.2013.798661

M3 - Journal articles

VL - 59

SP - 221

EP - 233

JO - Hydrological Sciences Journal

JF - Hydrological Sciences Journal

SN - 0262-6667

IS - 1

ER -