Search Results - "Ridame, C."

Strong stimulation of N2 fixation in oligotrophic Mediterranean Sea: results from dust addition in large in situ mesocosms by Ridame, C, Guieu, C, L'Helguen, S

“…The response of N2 (dinitrogen) fixation to contrasted (wet and dry) Saharan dust deposition was studied in the framework of the DUNE project (a DUst…”
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Contrasted Saharan dust events in LNLC environments: impact on nutrient dynamics and primary production by Ridame, C, Dekaezemacker, J, Guieu, C, Bonnet, S, L'Helguen, S, Malien, F

“…The response of the phytoplanktonic community (primary production and algal biomass) to contrasted Saharan dust events (wet and dry deposition) was studied in…”
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Introduction to project DUNE, a DUst experiment in a low Nutrient, low chlorophyll Ecosystem by Guieu, C, Dulac, F, Ridame, C, Pondaven, P

“…The main goal of project DUNE was to estimate the impact of atmospheric deposition on an oligotrophic ecosystem based on mesocosm experiments simulating strong…”
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Quantification of the lithogenic carbon pump following a simulated dust-deposition event in large mesocosms by Bressac, M, Guieu, C, Doxaran, D, Bourrin, F, Desboeufs, K, Leblond, N, Ridame, C

“…Lithogenic particles, such as desert dust, have been postulated to influence particulate organic carbon (POC) export to the deep ocean by acting as mineral…”
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Iron and phosphorus co-limit nitrogen fixation in the eastern tropical North Atlantic by Geider, Richard J, Mills, Matthew M, Ridame, Celine, Davey, Margaret, La Roche, Julie

“…The role of iron in enhancing phytoplankton productivity in high nutrient, low chlorophyll oceanic regions was demonstrated first through iron-addition…”
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Impact of dust deposition on carbon budget: a tentative assessment from a mesocosm approach by Guieu, C, Ridame, C, Pulido-Villena, E, Bressac, M, Desboeufs, K, Dulac, F

“…By bringing new nutrients and particles to the surface ocean, atmospheric deposition impacts biogeochemical cycles. The extent to which those changes are…”
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Assessing the role of dust deposition on phytoplankton ecophysiology and succession in a low-nutrient low-chlorophyll ecosystem: a mesocosm experiment in the Mediterranean Sea by Giovagnetti, V, Brunet, C, Conversano, F, Tramontano, F, Obernosterer, I, Ridame, C, Guieu, C

“…In this study, we investigate the response of the phytoplankton community, with emphasis on ecophysiology and succession, after two experimental additions of…”
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Longitudinal variability of the biogeochemical role of Mediterranean aerosols in the Mediterranean Sea by Ternon, E, Guieu, C, Ridame, C, L'Helguen, S, Catala, P

“…The Mediterranean Sea is a semi-enclosed basin characterized by a strong thermal stratification during summer during which the atmosphere is the main source of…”
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Large clean mesocosms and simulated dust deposition: a new methodology to investigate responses of marine oligotrophic ecosystems to atmospheric inputs by Guieu, C., Dulac, F., Desboeufs, K., Wagener, T., Pulido-Villena, E., Grisoni, J.-M., Louis, F., Ridame, C., Blain, S., Brunet, C., Bon Nguyen, E., Tran, S., Labiadh, M., Dominici, J.-M.

“…Intense Saharan dust deposition occurs over large oligotrophic areas in the Mediterranean Sea and in the Tropical Atlantic, and its impact on the…”
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Chemical characterization of the Saharan dust end-member: Some biogeochemical implications for the western Mediterranean Sea by Guieu, C., Loÿe-Pilot, M.-D., Ridame, C., Thomas, C.

“…Two types of samples were used to chemically characterize the Saharan end‐member: fine fractions of surface soil samples collected in Northern Africa and…”
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Diazotrophic bacteria respond to Saharan dust additions by Langlois, Rebecca J., Mills, Matthew M., Ridame, Celine, Croot, Peter, LaRoche, Julie

“…Three bioassay experiments were performed to study the effects of nutrient and Saharan dust additions on natural diazotrophic communities in the tropical North…”
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Impact of high Saharan dust inputs on dissolved iron concentrations in the Mediterranean Sea by Guieu, C., Bozec, Y., Blain, S., Ridame, C., Sarthou, G., Leblond, N.

“…During the PROSOPE cruise (Sept. 1999) in the Mediterranean Sea, dissolved iron concentrations in seawater and iron and aluminium concentrations in aerosols…”
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Corrigendum to “Marine ecosystems’ responses to climatic and anthropogenic forcings in the Mediterranean” [Prog. Oceanogr. 91 (2011) 97–166] by Durrieu de Madron, X., Guieu, C., Sempéré, R., Conan, P., Cossa, D., D’Ortenzio, F., Estournel, C., Gazeau, F., Rabouille, C., Stemmann, L., Bonnet, S., Diaz, F., Koubbi, P., Radakovitch, O., Babin, M., Baklouti, M., Bancon-Montigny, C., Belviso, S., Bensoussan, N., Bonsang, B., Bouloubassi, I., Brunet, C., Cadiou, J.-F., Carlotti, F., Chami, M., Charmasson, S., Charrière, B., Dachs, J., Doxaran, D., Dutay, J.-C., Elbaz-Poulichet, F., Eléaume, M., Eyrolles, F., Fernandez, C., Fowler, S., Francour, P., Gaertner, J.C., Galzin, R., Gasparini, S., Ghiglione, J.-F., Gonzalez, J.-L., Goyet, C., Guidi, L., Guizien, K., Heimbürger, L.-E., Jacquet, S.H.M., Jeffrey, W.H., Joux, F., Le Hir, P., Leblanc, K., Lefèvre, D., Lejeusne, C., Lemé, R., Loÿe-Pilot, M.-D., Mallet, M., Méjanelle, L., Mélin, F., Mellon, C., Mérigot, B., Merle, P.-L., Migon, C., Miller, W.L., Mortier, L., Mostajir, B., Mousseau, L., Moutin, T., Para, J., Pérez, T., Petrenko, A., Poggiale, J.-C., Prieur, L., Pujo-Pay, M., Pulido-Villena, Raimbault, P., Rees, A.P., Ridame, C., Rontani, J.-F., Ruiz Pino, D., Sicre, M.A., Taillandier, V., Tamburini, C., Tanaka, T., Taupier-Letage, I., Tedetti, M., Testor, P., Thébault, H., Thouvenin, B., Touratier, F., Tronczynski, J., Ulses, C., Van Wambeke, F., Vantrepotte, V., Vaz, S., Verney, R.

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Strong stimulation of N 2 fixation in oligotrophic Mediterranean Sea: results from dust addition in large in situ mesocosms by Ridame, C., Guieu, C., L'Helguen, S.

“…The response of N2 (dinitrogen) fixation to contrasted (wet and dry) Saharan dust deposition was studied in the framework of the DUNE project (a DUst…”
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Chemical characterization of the Saharan dust end-member: Some biogeochemical implications for the western Mediterranean Sea by GUIEU, C, LOYE-PILOT, M.-D, RIDAME, C, THOMAS, C

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Marine ecosystems’ responses to climatic and anthropogenic forcings in the Mediterranean by Durrieu de Madron, X, Guieu, C, Sempéré, R, Conan, P, Cossa, D, D’Ortenzio, F, Estournel, C, Gazeau, F, Rabouille, C, Stemmann, L, Bonnet, S, Diaz, F, Koubbi, P, Radakovitch, O, Babin, M, Baklouti, M, Bancon-Montigny, C, Belviso, S, Bensoussan, N, Bonsang, B, Bouloubassi, I, Brunet, C, Cadiou, J.-F, Carlotti, F, Chami, M, Charmasson, S, Charrière, B, Dachs, J, Doxaran, D, Dutay, J.-C, Elbaz-Poulichet, F, Eléaume, M, Eyrolles, F, Fernandez, C, Fowler, S, Francour, P, Gaertner, J.C, Galzin, R, Gasparini, S, Ghiglione, J.-F, Gonzalez, J.-L, Goyet, C, Guidi, L, Guizien, K, Heimbürger, L.-E, Jacquet, S.H.M, Jeffrey, W.H, Joux, F, Le Hir, P, Leblanc, K, Lefèvre, D, Lejeusne, C, Lemé, R, Loÿe-Pilot, M.-D, Mallet, M, Méjanelle, L, Mélin, F, Mellon, C, Mérigot, B, Merle, P.-L, Migon, C, Miller, W.L, Mortier, L, Mostajir, B, Mousseau, L, Moutin, T, Para, J, Pérez, T, Petrenko, A, Poggiale, J.-C, Prieur, L, Pujo-Pay, M, Pulido-Villena, Raimbault, P, Rees, A.P, Ridame, C, Rontani, J.-F, Ruiz Pino, D, Sicre, M.A, Taillandier, V, Tamburini, C, Tanaka, T, Taupier-Letage, I, Tedetti, M, Testor, P, Thébault, H, Thouvenin, B, Touratier, F, Tronczynski, J, Ulses, C, Van Wambeke, F, Vantrepotte, V, Vaz, S, Verney, R

“…The semi-enclosed nature of the Mediterranean Sea, together with its smaller inertia due to the relative short residence time of its water masses, make it…”
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The impact of the South-East Madagascar Bloom on the oceanic CO2 sink by Metzl, Nicolas, Claire Lo Monaco, Leseurre, Coraline, Ridame, Céline, Fin, Jonathan, Mignon, Claude, Gehlen, Marion, Thi Tuyet Trang Chau

“…We described new sea surface CO2 observations in the south-western Indian Ocean obtained in January 2020 when a strong bloom event occurred south-east of…”
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Influence of atmospheric deposition on biogeochemical cycles in an oligotrophic ocean system by Van Wambeke, France, Taillandier, Vincent, Desboeufs, Karine, Pulido-Villena, Elvira, Dinasquet, Julie, Engel, Anja, Marañón, Emilio, Ridame, Céline, Guieu, Cécile

“…The surface mixed layer (ML) in the Mediterranean Sea is a well-stratified domain characterized by low macronutrients and low chlorophyll content for almost…”
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Impact of dust addition on the microbial food web under present and future conditions of pH and temperature by Dinasquet, Julie, Bigeard, Estelle, Gazeau, Frédéric, Azam, Farooq, Guieu, Cécile, Marañón, Emilio, Ridame, Céline, Van Wambeke, France, Obernosterer, Ingrid, Baudoux, Anne-Claire

“…In the oligotrophic waters of the Mediterranean Sea, during the stratification period, the microbial loop relies on pulsed inputs of nutrients through the…”
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Contrasted release of insoluble elements (Fe, Al, rare earth elements, Th, Pa) after dust deposition in seawater: a tank experiment approach by Roy-Barman, Matthieu, Foliot, Lorna, Douville, Eric, Leblond, Nathalie, Gazeau, Fréderic, Bressac, Matthieu, Wagener, Thibaut, Ridame, Céline, Desboeufs, Karine, Guieu, Cécile

“…Lithogenic elements such as aluminum (Al), iron (Fe), rare earth elements (REEs), thorium (232Th and 230Th, given as Th) and protactinium (Pa) are often…”
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