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<datestamp>2017-12-21</datestamp>
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<title lang=en>Variability of N Export in Water: A Review</title>
<creator>Causse, Jean</creator>
<creator>Baurès, Estelle</creator>
<creator>Méry, Yoann</creator>
<creator>Jung, Aude-Valérie</creator>
<creator>Thomas, Olivier</creator>
<contributor>École des Hautes Études en Santé Publique [EHESP] (EHESP)</contributor>
<contributor>Institut de recherche, santé, environnement et travail [Rennes] (Irset) ; Université d'Angers (UA) - Université des Antilles et de la Guyane (UAG) - Université de Rennes 1 (UR1) - École des Hautes Études en Santé Publique [EHESP] (EHESP) - Institut National de la Santé et de la Recherche Médicale (INSERM) - Structure Fédérative de Recherche en Biologie et Santé de Rennes ( Biosit : Biologie - Santé - Innovation Technologique )</contributor>
<description>International audience</description>
<source>ISSN: 1064-3389</source>
<source>Critical Reviews in Environmental Science and Technology</source>
<publisher>Taylor & Francis</publisher>
<identifier>hal-01195736</identifier>
<identifier>https://hal-univ-rennes1.archives-ouvertes.fr/hal-01195736</identifier>
<source>https://hal-univ-rennes1.archives-ouvertes.fr/hal-01195736</source>
<source>Critical Reviews in Environmental Science and Technology, Taylor & Francis, 2015, 45 (20), pp.2245--2281. 〈10.1080/10643389.2015.1010432〉</source>
<identifier>DOI : 10.1080/10643389.2015.1010432</identifier>
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<language>en</language>
<subject>[SDV] Life Sciences [q-bio]</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>In spite of several studies on factors affecting nitrogen (N) export in water, the spatiotemporal variability of N export is rarely addressed. This review aims at discussing the different factors involved in N export in water and the intra-annual variability of N occurrences in rivers at a watershed scale. From the analysis of the existing works some recommendations on future research work are proposed regarding (i) other N forms than nitrate being systematically considered for routine analysis or experimental studies (at least Kjheldal nitrogen), (ii) hydrologists and biogeochemists working together to better understanding of N dynamics according to water pathways, especially during “situations at risk,” (iii) water quality monitoring being reinforced both spatially and temporally, especially thanks to high frequency instrumentation, and (iv) accurate data on watersheds needed to give better explanations of N variations. We argue that a better understanding of spatiotemporal variability could greatly enhance the remediation of N export impacts, which is crucial to anticipate the impacts of global changes</description>
<date>2015</date>
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