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725.
titre
Fluorescence excitation/emission matrices as a tool to monitor the removal of organic micropollutants from wastewater effluents by adsorption onto activated carbon
auteur
Ronan Guillossou, Julien Le Roux, Angélique Goffin, Romain Mailler, Gilles Varrault, Emmanuelle Vulliet, Catherine Morlay, Fabrice Nauleau, Sabrina Guérin, Vincent Rocher, Johnny Gasperi
article
, IWA Publishing, 2021, 190, pp.116749. ⟨10.1016/j.watres.2020.116749⟩
titre
Abundance, composition and fluxes of plastic debris and other macrolitter in urban runoff in a suburban catchment of Greater Paris
auteur
Treilles Robin, Johnny Gasperi, Saad Mohamed, Tramoy Romain, Breton Jérôme, Rabier Alain, Tassin Bruno
article
, IWA Publishing, 2021, pp.116847. ⟨10.1016/j.watres.2021.116847⟩
titre
Intra- and inter-site variability of soil contamination in road shoulders – Implications for maintenance operations
auteur
Damien Tedoldi, Rayan Charafeddine, Philippe Branchu, Eric Thomas, Marie-Christine Gromaire
article
, Elsevier, In press, ⟨10.1016/j.scitotenv.2020.144862⟩
titre
Urban pathways of biocides towards surface waters during dry and wet weathers: Assessment at the Paris conurbation scale
auteur
Claudia Paijens, Adèle Bressy, Bertrand Frère, Damien Tedoldi, Romain Mailler, Vincent Rocher, Pascale Neveu, Régis Moilleron
article
, Elsevier, 2021, 402, pp.123765. ⟨10.1016/j.jhazmat.2020.123765⟩
titre
The NORMAN Association and the European Partnership for Chemicals Risk Assessment (PARC): let's cooperate!
auteur
Valeria Dulio, Jan Koschorreck, Bert van Bavel, Paul van den Brink, Juliane Hollender, John Munthe, Martin Schlabach, Reza Aalizadeh, Marlene Agerstrand, Lutz Ahrens, Ian Allan, Nikiforos Alygizakis, Damia’ Barcelo’, Pernilla Bohlin-Nizzetto, Susanne Boutroup, Werner Brack, Adèle Bressy, Jan Christensen, Lubos Cirka, Adrian Covaci, Anja Derksen, Genevieve Deviller, Milou Dingemans, Magnus Engwall, Despo Fatta-Kassinos, Pablo Gago-Ferrero, Félix Hernández, Dorte Herzke, Klara Hilscherova, Henner Hollert, Marion Junghans, Barbara Kasprzyk-Hordern, Steffen Keiter, Stefan Kools, Anneli Kruve, Dimitra Lambropoulou, Marja Lamoree, Pim Leonards, Benjamin Lopez, Miren Lopez de Alda, Lian Lundy, Jarmila Makovinská, Ionan Marigómez, Jonathan Martin, Brendan Mchugh, Cécile Miège, Simon O’toole, Noora Perkola, Stefano Polesello, Leo Posthuma, Sara Rodriguez-Mozaz, Ivo Roessink, Pawel Rostkowski, Heinz Ruedel, Saer Samanipour, Tobias Schulze, Emma Schymanski, Manfred Sengl, Peter Tarábek, Dorien ten Hulscher, Nikolaos Thomaidis, Anne Togola, Sara Valsecchi, Stefan van Leeuwen, Peter von der Ohe, Katrin Vorkamp, Branislav Vrana, Jaroslav Slobodnik
article
, 2020, 32 (1), ⟨10.1186/s12302-020-00375-w⟩

Supervisory authorities

Member of

Introduction

The Water, Environment and Urban Systems Laboratory (Leesu) is a shared lab of École des Ponts ParisTech and Université Paris-Est Créteil.

Director : Régis Moilleron

Deputy Director : Marie-Christine Gromaire
Deputy Director : Gilles Varrault

The research object of Leesu is urban water, through various approaches:

  • Hydrological and physical studies (water runoff, transfer through urban systems, lake studies),
  • Biogeochemical studies about emissions, fate and impacts of chemical and microbiological contaminants in the city/device/receiving environment continuum,
  • Studies about politics, water uses, practices and their evolutions.

The Leesu develops a multi- and interdisciplinary research, an applied and involved research in environmental sciences. Our research is in line with major societal issues such as the development of a sustainable city that is resilient to change, the optimization of water resources, the protection of groundwater and aquatic ecosystems...

Its ambition is to develop innovative concepts for sustainable water management in a resilient city, founded in fields of expertise developed in the last 10 years: modeling and the use of models, micro-pollutants and pathogens in human-impacted catchment basins, multiscale approaches, limnology, urban water uses, and urban planning. The approach is interdisciplinary, a balance between in situ observations and/or in controlled lab conditions, and their interpretation, culminating in quantitative and predictive models.

Long-lasting partnerships

Leesu anchors its activities in close and lasting operational partnerships with local authorities in the Paris region and with industrial companies in the water sector.

These partnerships are developed in the Urban Hydrology Observatory OPUR and relies on high-frequency data acquisition, field monitoring devices, as well as Chemical and microbiological analytical platforms. Various sociological investigation techniques (qualitative and quantitative) are also used to understand the social and political uses as well as the implementation of water solutions.


In France, Leesu is a major actor in the field of urban hydrology and has close relationships with other similar observatories, OTHU (Lyon) and ONEVU (Nantes), members of the URBIS network. Leesu is also a member of an Observatory of alpine lakes (OLA). Leesu researchers are also members of national working groups (ANSES, AFNOR, ASTEE, CEP).

International collaborations

Leesu members have close and long-term international collaborations with Brasil (UFMG) and Lebanon (Université Libanaise and Lebanese National Research Center). Since 2014, partnerships have been developed with China and projects started with Vietnam and Africa.
Leesu members are also involved in international scientific networks:

  • Working Group of the Joint committee of urban drainage (IWA/IAHR)
  • Working Group Microplastics of the ISO
  • NORMAN network (Network of reference laboratories, research centres and related organisations for monitoring of emerging environmental substances)

Leesu organisation

Leesu administrative organisation, Lab Council and Scientific committee

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Leesu in numbers

Some figures on Leesu members and scientific production

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Leesu highlights from 2014 to 2018

Le Leesu a identifié trois «faits marquants» au cours de la période 2014 - 2018. Plus que des réalisations ponctuelles, ils correspondent à des évolutions structurelles profondes dans la stratégie de (...)

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Leesu archives

Leesu data prior to 2016

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