26 results on '"Hector, Simon"'
Search Results
2. Transfer of sulfur and chalcophile metals via sulfide-volatile compound drops in the Christiana-Santorini-Kolumbo volcanic field
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Patten, Clifford Georges Charles, Hector, Simon, Kilias, Stephanos, Ulrich, Marc, Peillod, Alexandre, Beranoaguirre, Aratz, Nomikou, Paraskevi, Eiche, Elisabeth, and Kolb, Jochen
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- 2024
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3. A Techno-Pedagogical Framework for STEM Education Using Disruptive Innovations
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García-Sánchez, Enrique Rafael, Candia-García, Filiberto, Vargas-Martínez, Héctor Simón, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Yang, Xin-She, editor, Sherratt, R. Simon, editor, Dey, Nilanjan, editor, and Joshi, Amit, editor
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- 2024
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4. Orogenic Au deposits with atypical metal association (Cu, Co, Ni): Insights from the Pohjanmaa Belt, western Finland
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Hector, Simon, Patten, Clifford G.C., Kolb, Jochen, de Araujo Silva, Andressa, Walter, Benjamin F., and Molnár, Ferenc
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- 2023
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5. Disruption of a high-pressure unit during exhumation : Example of the Cycladic Blueschist unit (Thera, Ios and Naxos islands, Greece)
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Peillod, Alexandre, Patten, Clifford G. C., Drueppel, Kirsten, Beranoaguirre, Aratz, Zeh, Armin, Gudelius, Dominik, Hector, Simon, Majka, Jaroslaw, Kleine-Marshall, Barbara I., Karlson, Andreas, Gerdes, Axel, Kolb, Jochen, Peillod, Alexandre, Patten, Clifford G. C., Drueppel, Kirsten, Beranoaguirre, Aratz, Zeh, Armin, Gudelius, Dominik, Hector, Simon, Majka, Jaroslaw, Kleine-Marshall, Barbara I., Karlson, Andreas, Gerdes, Axel, and Kolb, Jochen
- Abstract
Reconstructing the original geometry of a high-pressure tectonic unit is challenging but important to understand the mechanisms of mountain building. While a single nappe is subducted and exhumed, nappe-internal thrusts may disrupt it into several subunits. The Middle-CBU nappe of the Cycladic Blueschist Unit (Hellenide subduction orogen, Greece) shows evidence of such disruption along a Trans-Cycladic-Thrust (TCT), however, the timing of this thrusting is unknown. Here, we report multi-petrological and geochronological data from the Middle-CBU nappe from the Thera and Ios islands (Greece). Using Zr-in-rutile thermometry coupled with quartz-in-garnet elastic barometry, average P-T and phase equilibrium thermodynamic modelling, we show that garnet growth in Ios occurred during prograde metamorphism at 6.7 +/- 1.4 kbar to 13.0 +/- 1.6 kbar and 326 +/- 20 degrees C to 506 +/- 13 degrees C (2 sigma uncertainty) followed by early exhumation to 10.1 +/- 0.6 kbar and 484 +/- 14 degrees C and a greenschist facies overprint at 5.7 +/- 1.2 kbar and 416 +/- 14 degrees C. For Thera, we constrain peak HP conditions of 7.6 +/- 1.8 kbar and 331 +/- 18 degrees C, followed by exhumation and equilibration at similar to 2 kbar and similar to 275 degrees C using average P-T and phase equilibrium thermodynamic modelling. For Ios, Uranium-Pb garnet geochronology provides ages of 55.7 +/- 5.0 Ma (2 sigma uncertainties) for prograde and 40.1 +/- 1.4 Ma for peak HP metamorphism. Combining our new P-T-t data from Thera and Ios islands with existing data from Naxos island, we conclude that the studied nappe segments represent remnants of a former coherent nappe. The P-T-t data define an Eocene subduction rate of 2.1 +/- 1.0 km/Ma, which is distinctly slower than the current subduction rate of 40-45 km/Ma. After subduction, the exhumation of the Middle-CBU nappe occurred during the Oligocene at different rates for different localities. The Middle-CBU nappe of Naxos was exhumed at a rate of sim
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- 2024
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6. Disruption of a high‐pressure unit during exhumation: Example of the Cycladic Blueschist unit (Thera, Ios and Naxos islands, Greece)
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Peillod, Alexandre, primary, Patten, Clifford G. C., additional, Drüppel, Kirsten, additional, Beranoaguirre, Aratz, additional, Zeh, Armin, additional, Gudelius, Dominik, additional, Hector, Simon, additional, Majka, Jarosław, additional, Kleine-Marshall, Barbara I., additional, Karlson, Andreas, additional, Gerdes, Axel, additional, and Kolb, Jochen, additional
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- 2023
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7. Experimental generation of coherent-state superpositions with a quantum memory
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Viviane Cotte, Hector Simon, Benjamin Pointard, and Rosa Tualle-Brouri
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Physics ,QC1-999 - Abstract
We implement an iterative scheme for the generation of coherent states superpositions, using a quantum memory to take advantage of the iterative nature of the protocol. The generation rate has thus been increased by one order of magnitude, reaching 100 (Hz). Furthermore, the generated states were stored in the quantum memory during 184 (ns) before their characterization, paving the way toward the implementation of more complex iterative protocols.
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- 2022
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8. Photographic and informative catalog of the cultural tourist attractions of the jipijapa canton
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Romina Stephania Saenz Veliz, Cinthia Maria Menendez Baque, Hector Simon Pinargote Velez, and Maria Jose Marcillo Alcivar
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Marketing ,Economics and Econometrics ,General Chemical Engineering ,General Materials Science - Abstract
Tourist attractions are those that, due to their natural or cultural value, become a fundamental part of tourism, which has now become one of the most important economic activities worldwide. The objective of the investigation was to elaborate a photographic and informative catalog that contributes to the diffusion of the most distinctive cultural tourist attractions that are perceived in the urban area of the Jipijapa canton, in order to carry it to its tourist development at a national level. The research is carried out under the methodology with a qualitative approach, using the file provided by the Ministry of Tourism (MINTUR, 2018), in addition to direct observation and bibliographic review of the PDOT of the canton, obtaining results that are closer to the objective of the study. . It was possible to identify cultural tourist attractions framed in hierarchy II, for its part, the basic services offered in the canton are not the most optimal, including a rudimentary tourist plant, so the studies carried out in the investigation contribute to the design of the catalog. It should be noted that this work shows detailed data that, if executed, will be available to the public through the proposal of a web page of cultural tourism modality that will contribute to a greater reach in the tourist diffusion for Jipijapa, the so-called "Sultana del Café".
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- 2023
9. An all-optical quantum processor for iterative generation of quantum states
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Viviane Cotte, Hector Simon, Benjamin Pointard, and Rosa Tualle-Brouri
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- 2023
10. Disruption of a high-pressure unit during exhumation: petrology and geochronology of garnets within the Cycladic Blueschist Unit (Thera, Ios and Naxos islands, Greece)
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Peillod, Alexandre, primary, Patten, Clifford, additional, Drüppel, Kirsten, additional, Beranoaguirre, Aratz, additional, Zeh, Armin, additional, Gudelius, Dominik, additional, Hector, Simon, additional, Majka, Jarosław, additional, Kleine, Barbara, additional, Karlson, Andreas, additional, Gerdes, Axel, additional, and Kolb, Jochen, additional
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- 2023
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11. Photographic and informative catalog of the cultural tourist attractions of the jipijapa canton
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Veliz, Romina Stephania Saenz, primary, Baque, Cinthia Maria Menendez, additional, Velez, Hector Simon Pinargote, additional, and Alcivar, Maria Jose Marcillo, additional
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- 2023
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12. Disruption of a high-pressure unit during exhumation: petrology and geochronology within the Cycladic Blueschist Unit (Thera, Ios and Naxos islands, Greece)
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Peillod, Alexandre, primary, Patten, Clifford, additional, Drueppel, Kirsten, additional, Beranoaguirre, Aratz, additional, Zeh, Armin, additional, Gudelius, Dominik, additional, Hector, Simon, additional, Majka, Jaroslaw, additional, Kleine, Barbara, additional, Karlsson, Andreas, additional, Gerdes, Axel, additional, and Kolb, Jochen, additional
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- 2023
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13. Storage of single photon and two photons states in an all-optical quantum memory
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Viviane Cotte, Hector Simon, and Rosa Tualle-Brouri
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- 2022
14. Au analysis by pressed-powder-pellets (PPP)-LA-ICP-MS
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Patten, Clifford G.C., Beranoaguirre, Aratz, Hector, Simon, Gudelius, Dominik, and Kolb, Jochen
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Analysis of Au in geological materials has been proven useful for understanding geological processes related to the formation of various Au-rich ore deposits. However, the Au concentration in the source rocks is extremely low and the methodologies allowing analysis at sub-ng/g levels are time-consuming, costly and generally involve handling of dangerous chemicals. Here we present a new, faster, cheaper and safer method for low Au concentration analysis by Laser-Ablation Inductively-Coupled-Plasma Mass-Spectrometry (LA-ICP-MS) of pressed-powder-pellets (PPP), which has been developed in the Laboratory for Environmental and Raw Materials Analysis (LERA) at Karlsruher Institut für Technologie (KIT). Fine instrumental tuning for key parameters such as ICP-MS sample gas flow, torch position, RF power, laser frequency, ablation style and laser gas flow allows us to increase the Au sensitivity while keeping oxide production low. Indeed, the latter is critical when analysing low concentration Au samples as the ICP-MS analysis is generally impaired by Ta181O16 and the Hf180O16H1 interferences. Reducing the oxides allows the PPP-LA-ICP-MS method for better quantification and correction of these interferences. The new method improves the detection limit down to 0.05-0.1 ng/g Au. Routine analysis of reference materials shows that Au analysis by PPP-LA-ICP-MS is both accurate and precise. This contribution highlights that the method is suitable for investigating Au distribution and behaviour in Au depleted rocks.
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- 2022
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15. Orogenic Au deposits of the Pohjanmaa Belt, south-western Finland: deposit model and potential Co-source
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Hector, Simon, primary, Kolb, Jochen, additional, and Patten, Clifford, additional
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- 2021
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16. reponse to Reviewer 3
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Hector Simon Benavides Pinjosovsky
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- 2016
17. Response
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Hector Simon Benavides Pinjosovsky
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- 2016
18. Variational assimilation of land surface temperature within the ORCHIDEE Land Surface Model Version 1.2.6
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Benavides Pinjosovsky, Hector Simon, primary, Thiria, Sylvie, additional, Ottlé, Catherine, additional, Brajard, Julien, additional, Badran, Fouad, additional, and Maugis, Pascal, additional
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- 2017
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19. The historical Corrente gold deposit, Minas Gerais, Brazil: Geological characteristics and a reconnaissance study of nugget effect
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Cabral, Alexandre R., da Costa, Marco A., Oliveira, Leandro, Hector, Simon, Zeh, Armin, Martins, Maximiliano de Souza, Moura, Pablo, Silva, Marco, Nazareth, Liliani P.T., Silva, Luiz C. da, Amorim, Lucas E.D., Kwitko-Ribeiro, Rogerio, Araújo, Glorimar D.S., Baeta, Victor A.D., Lemos, Tales de C., Porto, João V.E., Ribeiro Jr, Nelson F., Soares, Maria L.F., and Waughan, Gustavo D.
- Abstract
Corrente is a historical underground working in Minas Gerais, Brazil, mined for gold in the nineteenth century, for which little geological information is available. Retrieval of unpublished exploration reports from the 1980s has enabled the recognition of a 7-km-long linear cluster of historical underground and open-cast workings, here referred to as the Cata Branca–Corrente goldfield. Gold production ceased at Cata Branca, the most economically relevant deposit of the goldfield, in 1844. Both Corrente and Cata Branca are auriferous quartz-lode deposits. Geological characteristics of the Corrente deposit are presented, as well as reconnaissance whole-rock analyses for Au using a variety of analytical methods, including conventional fire assay, atomic absorption spectrometry, instrumental neutron activation analysis and laser ablation–inductively coupled plasma–mass spectrometry (LA–ICP–MS) on pressed-powder pellets (PPPs). Corrente is characterised as a gold-only deposit. The Corrente auriferous quartz lode, hosted in the Archaean greenstone belt sequence of the Rio das Velhas Supergroup, is extensively oxidised and has conspicuous wall-rock alteration to fine-grained muscovite. The resulting sericite phyllite shows overprint by low-temperature kaolinitisation, likely the product of wall-rock hydration mediated by acidic water derived from sulfide oxidation at depth, below the modern weathering zone. The Corrente gold deposit has a high nugget effect. Time-resolved results of LA–ICP–MS on PPPs indicate the presence of particulate gold even in barren kaolinitised wall-rock phyllite.
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- 2024
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20. Variarional data assimilation in the land surface model ORCHIDEE using YAO
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Benavides Pinjosovsky, Hector Simon, Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] (LSCE), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), Université Pierre et Marie Curie - Paris VI, Sylvie Thiria, Catherine Ottlé, and Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)
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Modèle de surface continentale ,Assimilation des données ,Modèle adjoint ,Data assimilation ,Analyse de sensibilité ,[SDU.STU]Sciences of the Universe [physics]/Earth Sciences ,Land surface model ,Etalonnage des modèles ,Température de surface - Abstract
A land surface model (LSM) is a numerical model describing the exchange of water and energy between the land surface and the atmosphere. Land surface physics includes an extensive collection of complex processes. The balance between model complexity and resolution, subject to computational limitations, represents a fundamental query in the development of a LSM. With the purpose of adapting the value of the model parameters to values that reproduces results in the real world, measurements are necessary in order to compare to our estimations to the real world. The calibration process consists in an optimization of model parameters for a better agreement between model results and a set of observations, reducing the gap between the model and the available measurements. Here we show how variational data assimilation is applied to the energy and water budgets modules of the ORCHIDEE land surface model in order to constrain the model internal parameters. This part of the model is denoted SECHIBA. The adjoint semi-generator software denoted YAO is used as a framework to implement the 4DVAR assimilation. A sensitivity analysis was performed in order to identify the most influent parameters to temperature. With the parameter hierarchy resolved, twin experiments using synthetic observations were implemented for controlling the most sensitive parameters. Results obtained suggest that land surface temperature assimilation has the potential of improving the output estimations by adjusting properly the control parameters. Finally, several assimilations were made using observational meteorology dataset from the SMOSREX site in Toulouse, France. The experiments implemented, using different prior values for the parameters, show the limits of the temperature assimilation to constrain control parameters. Even though variable estimation is slightly improved, this is due to final parameter values are at the edge of a variation interval in the cost function. Effectively reaching a minimum would require allowing the parameters to visit unrealistic values. SECHIBA does not correctly simulates simultaneously temperature and fluxes and the relationship between the two is not always consistent according to the regime (or parameter values that are used). We must therefore work on the physical aspects to better simulate the temperature. Likewise, the parameter sensitivity to temperature is not always sufficient, giving as a result a flat cost function. Our results show that the assimilation system implemented is robust, since performances results in twin experiments are satisfactory. The coupling between the hydrology and the thermodynamics in SECHIBA must be reviewed in order to improve variable estimation. An exhaustive study of the prior errors in the measurements must be conducted in order to retrieve more adapted weighing terms in the cost function. Finally, the assimilation of other variables such as soil moisture should be performed to evaluate the impacts in constraining control parameters; Un modèle de surface continentale (LSM en anglais) est un modèle numérique décrivant les échanges d'eau et d'énergie entre la surface terrestre et l'atmosphère. La physique de la surface de la terre comprend une vaste collection de processus complexes. L'équilibre entre la complexité du modèle et sa résolution, confronté à des limitations de calcul, représente une question fondamentale dans le développement d'un LSM. Les observations des phénomènes étudiés sont nécessaires afin d’adapter la valeur des paramètres du modèle à des variables reproduisant le monde réel. Le processus d'étalonnage consiste en une recherche des paramètres du modèle qui minimisent l’écart entre les résultats du modèle et un ensemble d'observations. Dans ce travail, nous montrons comment l'assimilation variationnelle de données est appliquée aux bilans d'énergie et d'eau du modèle de surface continentale ORCHIDEE afin d’étalonner les paramètres internes du modèle. Cette partie du modèle est appelé SECHIBA. Le logiciel YAO est utilisé pour faciliter la mise en œuvre de l'assimilation variationnelle 4DVAR. Une analyse de sensibilité a été réalisée afin d'identifier les paramètres les plus influents sur la température. Avec la hiérarchie des paramètres obtenue, des expériences jumelles à partir d'observations synthétiques ont été mises en œuvre. Les résultats obtenus suggèrent que l'assimilation de la température de surface a le potentiel d'améliorer les estimations de variables, en ajustant correctement les paramètres de contrôle. Enfin, plusieurs assimilations ont été faites en utilisant des observations de données réelles du site SMOSREX à Toulouse, France. Les expériences faites en utilisant différentes valeurs initiales pour les paramètres, montrent les limites de l'assimilation de la température pour contraindre les paramètres de contrôle. Même si l'estimation des variables est améliorée, ceci est dû à des valeurs finales des paramètres aux limites des intervalles prescrit de la fonction de coût. Afin de parvenir à un minimum, il faudrait permettre aux paramètres de visiter des valeurs irréalistes. Les résultats montrent que SECHIBA ne simule pas correctement simultanément la température et les flux et la relation entre les deux n’est pas toujours cohérente selon le régime (ou les valeurs des paramètres que l’on utilise). Il faut donc travailler sur la physique pour mieux simuler la température. En outre, la sensibilité des paramètres à la température n’est pas toujours suffisante, donnant une fonction de coût plate dans l’espace des paramètres prescrit. Nos résultats montrent que le système d'assimilation mis en place est robuste, puisque les résultats des expériences jumelles sont satisfaisants. Le couplage entre l'hydrologie et la thermodynamique dans SECHIBA doit donc être revu afin d'améliorer l'estimation des variables. Une étude exhaustive de l'erreur des mesures doit être menée afin de récupérer des termes de pondération dans la fonction de coût. Enfin, l'assimilation d'autres variables telles que l'humidité du sol peut maintenant être réalisée afin d'évaluer l'impact sur les performances de l’assimilation.
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- 2014
21. reponse to Reviewer 3
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Benavides Pinjosovsky, Hector Simon, primary
- Published
- 2016
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22. Response
- Author
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Benavides Pinjosovsky, Hector Simon, primary
- Published
- 2016
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23. Numerical Validation of Data Assimilation Codes Generated by the YAO Software
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Brajard, Julien, Li, Pei, Jézéquel, Fabienne, Benavidès Pinjosovsky, Hector-Simon, Thiria, Sylvie, Modélisation et Méthodes Statistiques Avancées (MMSA), Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN), Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Muséum national d'Histoire naturelle (MNHN)-Institut Pierre-Simon-Laplace (IPSL (FR_636)), École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Muséum national d'Histoire naturelle (MNHN)-Institut Pierre-Simon-Laplace (IPSL (FR_636)), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Performance et Qualité des Algorithmes Numériques (PEQUAN), Laboratoire d'Informatique de Paris 6 (LIP6), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS), Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)), École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Paris (ENS-PSL), and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636))
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[INFO]Computer Science [cs] ,ComputingMilieux_MISCELLANEOUS - Abstract
International audience
- Published
- 2013
24. Neuro-Variational Inversion Applied to Ocean Color Remote Sensing
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Brajard, Julien, Diouf, Daouda, Benavidès Pinjosovsky, Hector-Simon, Crépon, Michel, Santer, Richard, Thiria, Sylvie, Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN), Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)), École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Interdisciplinaire des Sciences de l'Environnement, Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Muséum national d'Histoire naturelle (MNHN)-Institut Pierre-Simon-Laplace (IPSL (FR_636)), École normale supérieure - Paris (ENS Paris), and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Paris (ENS Paris)
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[SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] ,[SDE.MCG]Environmental Sciences/Global Changes ,[PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] - Published
- 2012
25. La promotion de l’activité physique en médecine générale. Étude qualitative sur les représentations et les pratiques demédecins généralistes de l’île de La Réunion
- Author
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Huet, Marjorie, Université de La Réunion - UFR Santé (UR UFRS), Université de La Réunion (UR), and Hector Simon
- Subjects
Experience ,Activité physique ,Sedentary ,Physical activity ,Sédentarité ,[SDV]Life Sciences [q-bio] ,Médecin généraliste ,Expérience ,Prescription ,General practitioner - Abstract
Introduction: Aware of the increase of sedentary lifestyle and population health impact, the government acts for physical activity promotion. As the coordinator of care pathway, the general practitioner’s engagement is determinant. The aim of this study is to identify factors that influence the physical activity promotion by general practitioners in Reunion Island.Method: This is a qualitative study. The data were collecting by 12 semi-structured individual interviews. The data analysis was based on the principle of the grounded theory method.Results: 12 general practitioners were interviewed between January and May 2020. The general practitioners see themselves as preferred interlocutor. The Evidence based medicine is source of knowledge about physical activities benefit but their experience influences their clinical practice too. There is a lot of obstacles like lack of formation, low profitability, unmotivated patient, the high cost or the lack of sporting equipment. Some general practitioners can use « Sport on Prescription » team to increase exercise promotion and remove some barriers. General practitioners who exercise are more likely to feel confident about promoting physical activity. Their interest in sports help them to counselling their patient about physical activity.Conclusion: This study highlights the influence of personal and professional experience in general practitioner’s representation and practice about physical activity. General practitioners experience (if they exercise, they study about AP) will lead them to promote AP.; Introduction : Conscients de l’accroissement de la sédentarité et de ses conséquences sur la santé de la population, les pouvoirs publics se mobilisent afin de promouvoir l’activité physique. En tant que coordonnateur du parcours de soin. Méthode : Il s’agissait d’une étude observationnelle qualitative avec recueil des données sous formes de 12 entretiens individuels semi-dirigés. L’analyse des données s’inspirait de la théorisation ancrée. Résultats : 12 médecins généralistes ont été interrogés durant la période de janvier à mai 2020. Les médecins se désignaient eux-mêmes comme les interlocuteurs privilégiés. Ils ont appris de la science les bienfaits de l’activité physique mais leur expérience personnelle influençait également leur pratique clinique. De nombreux facteurs pouvaient entraver leur pratique comme l’absence de formation, l’absence de rentabilité financière, le patient jugé comme non motivé, le coût perçu comme trop élevé ou encore l’absence d’infrastructure. Certains médecins pouvaient au contraire s’appuyer sur des dispositifs « Sport sur Ordonnance » et accroitre la pratique de l’activité physique en levant certaines barrières. La pratique d’une activité physique par le médecin et son affinité pour la thématique lui conférait une certaine légitimité à la promouvoir et lui permettait d’orienter sa pratique clinique en ce sens.Conclusion : Cette étude a permis de soulever l’influence de l’expérience professionnelle et personnelle des médecins généralistes sur leurs représentations et donc sur leurs pratiques cliniques au sujet de la promotion de l’activité physique.
- Published
- 2020
26. Évaluation du dispositif « Sport Sur Ordonnance » de Saint-Paul : comparaison de données morphologiques liées à la mortalité entre l’inclusion et après trois mois de pratique chez les bénéficiaires de 2014 à 2017
- Author
-
Meyer, Baptiste, Université de La Réunion - UFR Santé (UR UFRS), Université de La Réunion (UR), and Hector Simon
- Subjects
Preventive medicine ,Activité physique ,Physical activity ,Sédentarité ,[SDV]Life Sciences [q-bio] ,Sedentary lifestyle ,Reunion island ,Médecine préventive ,A body shape index ,La Réunion - Abstract
Introduction: The practice of a physical activity makes it possible to reduce the overall mortality and particularly of cardiovascular origin. The city of Saint-Paul (Réunion) has set up a support system for the resumption of adapted physical activity for sedentary adults suffering from chronic diseases, "Sports on Prescription". A weekly hour of physical activity is prescribed by the practical doctor. Material and Methods: The proposed work is a cohort study, retrospective, interventional. 408 beneficiaries were included between September 2014 and December 2017. Our primary endpoint is to compare a validated morphological criterion, and correlated with mortality, a body shape index (ABSI) at entry and after 3 months in the support system by a Student's t test. Secondary endpoints are to compare other morphological variables, perceived health and pain. Results: A significant reduction of ABSI was observed (-0.0014, 95% CI [0.0010, 0.0018] p
- Published
- 2019
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