cl_maintenanceAndUpdateFrequency

asNeeded

47 record(s)
 
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    OBJECTIF – Mesures des flux de matières d’origine atmosphérique en mer Méditerranée dans le cadre du réseau MOOSE Mesures en réseau avec cap Béar et cap ferrat Le milieu marin est de plus en plus soumis à l’influence anthropique, très directement sur la frange littorale, mais également au large par les retombées atmosphériques qui peuvent se propager très loin. La Méditerranée étant une mer oligotrophe, c’est-à-dire pauvre en élément nutritifs, tout apport d’éléments peut être un facteur de développement biologique significatif. Par contre l’apport de contaminants et de polluants par voie atmosphérique peut être un facteur perturbant ou inhibant l’écosystème. Le site du Frioul offrant l’opportunité de quantité les retombées atmosphériques dans la zone côtière, le Service d’Observation du MIO a proposé d’utiliser ce site pour installer des collecteurs de retombées atmosphériques. Collecteur de retombées atmosphériques sèches et pluies (MTX Italia) installé sur une plateforme dans l’enceinte du sémaphore de Pomègues Un collecteur de type MTX permet de récupérer les retombées sèches et les retombées humides (pluies) séparément. Parallèlement, un système de pompage en continu des aérosols a été mise en place dans la pièce supérieure du sémaphore. Il est composé de pompes à vide reliées à un compteur qui aspire en continu l’air qui est filtré sur un filtre disposé à l’extérieur. La collecte des échantillons est assurée chaque semaine par un opérateur du MIO. Par ailleurs le MIO assure le traitement et l’analyse de la matière récoltée. Les éléments suivants, source de fertilisation du milieu marin sont déterminés : - Azote total - Phosphore total - Carbone total - Formes solubles de l’azote (nitrate, nitrite, ammonium) - Formes solubles du phosphore (orthophosphates) - Formes particulaires de l’azote, du phosphore et du carbone. SITE : Iles de Pomègues - Sémaphore du Frioul PROGRAMME DE RATTACHEMENT - Mediterranean Oceanic Observing System on Environment : MOOSE - Labellisation : SOERE - INSU - Financement : SOERE – INSU – Ville de Marseille RESPONSABLE LOCAL: - Patrick Raimbault DISPONIBLITE DES DONNEES : - Base de données SEDOO: http://mistrals.sedoo.fr/MOOSE/ PARTICIPANTS : - M. Fornier : collecte - V. Lagadec analyses chimiques - P. Raimbault : analyses élémentaires PARTENAIRES - MOOSE - CHARMEX- Ville de Marseille – Parc des îles du Frioul - OSU de Villefranche et de Banyuls

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    Assuming the huge progress achieved in public participatory geographic information system (PPGIS) techniques and its current research gaps, this study aims to explore differences in the perception of spatial distribution of ecosystem services supply and demand between different stakeholders through collaborative mapping. In this case the stakeholders selected included low influence stakeholders (with a high degree of interest on the ecosystem services' state and with a low influence in environmental management). Workshops took place in June 2013 in two regions of Andalusia; overall 29 participants were involved. Two ecosystem services were mapped (freshwater and energy).

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    Assuming the huge progress achieved in public participatory geographic information system (PPGIS) techniques and its current research gaps, this study aims to explore differences in the perception of spatial distribution of ecosystem services supply and demand between different stakeholders through collaborative mapping. In this case the stakeholders selected included low influence stakeholders (with a high degree of interest on the ecosystem services' state and with a low influence in environmental management). Workshops took place in June 2013 in two regions of Andalusia; overall 29 participants were involved. Water provision was mapped.

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    Assuming the huge progress achieved in public participatory geographic information system (PPGIS) techniques and its current research gaps, this study aims to explore differences in the perception of spatial distribution of ecosystem services supply and demand between different stakeholders through collaborative mapping. In this case the stakeholders selected included low influence stakeholders (with a high degree of interest on the ecosystem services' state and with a low influence in environmental management). Workshops took place in June 2013 in two regions of Andalusia; overall 29 participants were involved. Three ecosystem services were mapped (erosion control, water depuration and climate regulation).

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    Agroecological results

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    Assuming the huge progress achieved in public participatory geographic information system (PPGIS) techniques and its current research gaps, this study aims to explore differences in the perception of spatial distribution of ecosystem services supply and demand between different stakeholders through collaborative mapping. In this case the stakeholders selected included low influence stakeholders (with a high degree of interest on the ecosystem services' state and with a low influence in environmental management). Workshops took place in June 2013 in two regions of Andalusia; overall 29 participants were involved. Food from agriculture and livestock were mapped.

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    As part of the EUREC4A-OA project (H. Bellenger, S. Speich, LMD), which is the French oceanographic component of the larger EUREC4A field experiments, the “flux mast” national instrument was installed on the Reseach Vessel R/V Atalante from Genavir. The flux mast holds instruments that measure atmospheric turbulence and meteorological variables. The collected data are used to estimate the turbulent fluxes of momentum and heat at the air-sea interface. Specifically, the flux mast instruments measure air pressure, air temperature, humidity, air refraction index, H2O, the three components of the wind vector, and the upward and downward solar and infrared radiation fluxes. The fluxes calculated are the latent and sensible heat fluxes, and the friction velocity. DOI : https://www.seanoe.org/data/00661/77341/

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    Assuming the huge progress achieved in public participatory geographic information system (PPGIS) techniques and its current research gaps, this study aims to explore differences in the perception of spatial distribution of ecosystem services supply and demand between different stakeholders through collaborative mapping. In this case the stakeholders selected included high influence stakeholder (with a high degree of interest on the ecosystem services' state and with an important influence into the environmental decision making process). Workshops took place in June 2013 in two regions of Andalusia; overall 29 participants were involved. Water provision was mapped.

  • Categories  

    Assuming the huge progress achieved in public participatory geographic information system (PPGIS) techniques and its current research gaps, this study aims to explore differences in the perception of spatial distribution of ecosystem services supply and demand between different stakeholders through collaborative mapping. In this case the stakeholders selected included low influence stakeholders (with a high degree of interest on the ecosystem services' state and with a low influence in environmental management). Workshops took place in June 2013 in two regions of Andalusia; overall 29 participants were involved. Three ecosystem services were mapped (erosion control, water depuration and climate regulation).

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    The scientific objectives of the project SOOT-SEA the objectives of this study in northern Vietnam are to determine: - (1) the composition of fine particles in order to assess their health, climatic and environmental impacts, - (2) their origin, both geographical and sectoral, - (3) atmospheric deposition fluxes, - (4) fluvial fluxes of black carbon towards the ocean. Study carried out during a complete annual cycle (weekly frequency). Aerosols were sampled for 24 hours using a large volume PM2.5 collector. Samples collected on quartz filters were analyzed to determine the concentrations of: - organic carbon (OC) and - elemental carbon (EC), - organic nitrogen (ON), - metals (Hg, Al, Ti, V, Cr, Mn, Fe, Co , Ni, Cu, Zn, As, Ag, Cd, Sn, Sb, Cs, Ce, Nd, Pb, U), - Pb isotopes, - PAHs, sugars, ions, organic acids, humic-like substances (HULIS). The oxidizing potential (OP) of these particles was determined using the DTT (Dithiotreithol) method. Citation: Mari, X., Uzu, G., Jaffrezo, J.-L., Dominutti, P., Chifflet, S., Tedetti, M., Guigue, C., Guyomarc’h , L., Heimburger, L.-E., & Raimbault, P. (2017). SOOT-SEA : Impact of Black Carbon in South East Asia [Data set]. MIO UMR 7294 CNRS. https://doi.org/10.34930/858FCE6B-A882-43C0-B5D0-81E80EFA7A1C