Assessment of Water Quality Regulation Functions in Southwestern Europe Watersheds

Estimation at large scale of the water quality regulation services is still lacking. It is essential to develop methodological approaches to quantify nutrient-related functions’ distribution. The present study aims to quantify nitrate-related ecological functions through nitrate net balance (NNB), n...

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Autores principales:	Roxelane Cakir, Mélanie Raimonet, Sabine Sauvage, Romain Walcker, Magali Gerino, José Miguel Sánchez-Pérez
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	modeling water quality regulation nitrate removal nitrate production ecological functions subbasin Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/e93692a189404cc589ec15fd3703b555
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spelling	oai:doaj.org-article:e93692a189404cc589ec15fd3703b5552021-11-11T19:53:24ZAssessment of Water Quality Regulation Functions in Southwestern Europe Watersheds10.3390/w132129802073-4441https://doaj.org/article/e93692a189404cc589ec15fd3703b5552021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/21/2980https://doaj.org/toc/2073-4441Estimation at large scale of the water quality regulation services is still lacking. It is essential to develop methodological approaches to quantify nutrient-related functions’ distribution. The present study aims to quantify nitrate-related ecological functions through nitrate net balance (NNB), nitrate removal (NR), and nitrate production (NP). This study explores the spatiotemporal dynamics of these indicators in South-Western Europe (SUDOE, 216 subsystems over 81 basins) at a monthly scale from 2000 to 2010. We use the Soil and Water Assessment Tool model to simulate nutrient transfer at the subsystem scale (~3000 km<sup>2</sup>) and calculate ecological functions. The modeled NNB is validated at the subsystem scale by comparing with NNB predicted at the water body scale (~60 km<sup>2</sup>) over the Garonne watershed (France). Hot spots of NR are located in the south of SUDOE, characterized by a warmer and dryer climate, whereas NP hot spots are located in the most anthropized streams. The mean NNB (the balance between NP and NR) at the subsystem scale for the SUDOE territory reaches −3.5 and −2.8 gN m<sup>−2</sup> day<sup>−1</sup> during the most active seasons. The results highlight drivers influencing NR such as streamflow, river slope, and hydrological alteration. Getting an overview of where and when these nitrate regulation functions (NP and NR) occur is essential for socio-ecosystem sustainability and this study highlights its sensitivity to anthropogenic stressors.Roxelane CakirMélanie RaimonetSabine SauvageRomain WalckerMagali GerinoJosé Miguel Sánchez-PérezMDPI AGarticlemodelingwater quality regulationnitrate removalnitrate productionecological functionssubbasinHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 2980, p 2980 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	modeling water quality regulation nitrate removal nitrate production ecological functions subbasin Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
spellingShingle	modeling water quality regulation nitrate removal nitrate production ecological functions subbasin Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Roxelane Cakir Mélanie Raimonet Sabine Sauvage Romain Walcker Magali Gerino José Miguel Sánchez-Pérez Assessment of Water Quality Regulation Functions in Southwestern Europe Watersheds
description	Estimation at large scale of the water quality regulation services is still lacking. It is essential to develop methodological approaches to quantify nutrient-related functions’ distribution. The present study aims to quantify nitrate-related ecological functions through nitrate net balance (NNB), nitrate removal (NR), and nitrate production (NP). This study explores the spatiotemporal dynamics of these indicators in South-Western Europe (SUDOE, 216 subsystems over 81 basins) at a monthly scale from 2000 to 2010. We use the Soil and Water Assessment Tool model to simulate nutrient transfer at the subsystem scale (~3000 km<sup>2</sup>) and calculate ecological functions. The modeled NNB is validated at the subsystem scale by comparing with NNB predicted at the water body scale (~60 km<sup>2</sup>) over the Garonne watershed (France). Hot spots of NR are located in the south of SUDOE, characterized by a warmer and dryer climate, whereas NP hot spots are located in the most anthropized streams. The mean NNB (the balance between NP and NR) at the subsystem scale for the SUDOE territory reaches −3.5 and −2.8 gN m<sup>−2</sup> day<sup>−1</sup> during the most active seasons. The results highlight drivers influencing NR such as streamflow, river slope, and hydrological alteration. Getting an overview of where and when these nitrate regulation functions (NP and NR) occur is essential for socio-ecosystem sustainability and this study highlights its sensitivity to anthropogenic stressors.
format	article
author	Roxelane Cakir Mélanie Raimonet Sabine Sauvage Romain Walcker Magali Gerino José Miguel Sánchez-Pérez
author_facet	Roxelane Cakir Mélanie Raimonet Sabine Sauvage Romain Walcker Magali Gerino José Miguel Sánchez-Pérez
author_sort	Roxelane Cakir
title	Assessment of Water Quality Regulation Functions in Southwestern Europe Watersheds
title_short	Assessment of Water Quality Regulation Functions in Southwestern Europe Watersheds
title_full	Assessment of Water Quality Regulation Functions in Southwestern Europe Watersheds
title_fullStr	Assessment of Water Quality Regulation Functions in Southwestern Europe Watersheds
title_full_unstemmed	Assessment of Water Quality Regulation Functions in Southwestern Europe Watersheds
title_sort	assessment of water quality regulation functions in southwestern europe watersheds
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/e93692a189404cc589ec15fd3703b555
work_keys_str_mv	AT roxelanecakir assessmentofwaterqualityregulationfunctionsinsouthwesterneuropewatersheds AT melanieraimonet assessmentofwaterqualityregulationfunctionsinsouthwesterneuropewatersheds AT sabinesauvage assessmentofwaterqualityregulationfunctionsinsouthwesterneuropewatersheds AT romainwalcker assessmentofwaterqualityregulationfunctionsinsouthwesterneuropewatersheds AT magaligerino assessmentofwaterqualityregulationfunctionsinsouthwesterneuropewatersheds AT josemiguelsanchezperez assessmentofwaterqualityregulationfunctionsinsouthwesterneuropewatersheds
_version_	1718431381359427584

Assessment of Water Quality Regulation Functions in Southwestern Europe Watersheds

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