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722.
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
Impacts of organic matter digestion protocols on synthetic, artificial and natural raw fibers
auteur
Robin Treilles, Aurélie Cayla, Johnny Gasperi, Bénédicte Strich, Patrick Ausset, Bruno Tassin
article
, Elsevier, 2020, 748, pp.141230. ⟨10.1016/j.scitotenv.2020.141230⟩
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⟩
titre
An experimentally-determined general formalism for evaporation and isotope fractionation of Cu and Zn from silicate melts between 1300 and 1500 °C and 1 bar
auteur
Paolo Sossi, Frederic Moynier, Robin Treilles, Marwane Mokhtari, Xiang Wang, Julien Siebert
article
, Elsevier, 2020
titre
Transfer dynamics of macroplastics in estuaries – New insights from the Seine estuary: Part 2. Short-term dynamics based on GPS-trackers
auteur
R. Tramoy, J. Gasperi, L. Colasse, M. Silvestre, P. Dubois, C. Noûs, B. Tassin
article
, Elsevier, 2020, 160, pp.111566. ⟨10.1016/j.marpolbul.2020.111566⟩

Tutelles

Membre de

OSS-Cyano


The OSS-Cyano project (2014-2018) is funded by the French Research Agency (ANR Program ECO-TS). Six public laboratories (iEES, LEESU, ESE, IFSTTAR, MNHN and CEREP) and one environmental engineering company (ARTELIA) are participating to the project.

Contact at Leesu : Brigitte Vinçon-Leite
bvl@leesu.enpc.fr

Cyanobacteria blooms frequently disturb the functioning of freshwater ecosystems, due to the toxins that cyanobacteria are able to synthesize. Therefore, many countries have implemented monitoring programs aimed at reducing the risk of human exposure to these toxins. The main limitation is related to the heterogeneity of the spatial distribution of cyanobacteria. In the vertical dimension, these micro-organisms can remain in specific layers of the water column and in the horizontal scale, the cells may accumulate in somes areas of the water body, driven by winds or currents.
Many research projects have been conducted in order to develop new monitoring tools, like buoys developed during the program PROLIPHYC (ANR PRECODD). This tool is highly relevant but it does not allow assessing the horizontal distribution of cyanobacteria and its cost remains rather expansive.
In addition, if satellite remote sensing can be considered very useful for estimating the horizontal distribution of cyanobacteria biomass in a water body, the cost of this technology makes it unaffordable for routine monitoring.

In this context, the OSS-Cyano project aims to develop and validate a new, low-cost aerial sensor, to be used in a fixed single location, or deployed in network, to detect the presence of cyanobacteria in a water body. In addition, OSS-Cyano also aims to implement a drone capable of carrying the sensor to perform spatial measurements on large water bodies or river sections, and other instruments for water sampling or for performing underwater measurements.


Test of the IFSTTAR drone over Lake Grand-Lieu (Loire Atlantique, Photo Ifsttar)

The technical development of the sensor (wavelength selection, influence of natural processes on the measurements ...) and of the drone system (implementation of an adaptive platform for supporting the measuring equipments) are conducted on 2 main study sites. The first one is the PLANAQUA experimental platform which provides all the required facilities to carry out tests of the sensor on a range of aquatic systems, from microcosm to macrocosm.
The second study site is Lake Champs-sur-Marne, where the sensor can be tested in real conditions of application. Based on the data set collected in Lake Champs-sur-Marne, a 3D hydrodynamic model, using data from inlake sensors and from the aerial sensor is implemented in order to forecast short-term changes of the spatial dispersion of cyanobacteria in the water body.
More details on Lake Champs-sur-Marne

OSS-Cyano Field Survey

Lake Champs-sur-Marne

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