Academic literature on the topic 'Impacts climatiques'
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Journal articles on the topic "Impacts climatiques"
Kazadi, Laurent Kabala, John Tshomba Kalumbu, Robert Monga Ilunga Dikoshi, Augustin Nge Okwe, Moïse Kalambaie, and Jules Nkulu Mwine Fyama. "Perception des Exploitants Familiaux Producteurs de Maïs sur les Perturbations Climatiques dans l’Hinterland de Lubumbashi : Région du Haut-Katanga, RDC." European Scientific Journal, ESJ 20, no. 9 (March 31, 2024): 250. http://dx.doi.org/10.19044/esj.2024.v20n9p250.
Full textMoukrim, Said, Said Lahssini, Nabil Rifai, Kamal Menzou, Hicham Mharzi-Alaoui, Adnane Labbaci, Mouhssine Rhazi, Imane Wahby Wahby, Mohammed El Madihi, and Laïla Rhazi. "Modélisation de la distribution potentielle de Cedrus atlantica Manetti au Maroc et impacts du changement climatique." BOIS & FORETS DES TROPIQUES 344 (July 9, 2020): 3–16. http://dx.doi.org/10.19182/bft2020.344.a31888.
Full textGiscard, Adou Aka, N’da Kouadio Christophe, and Attah Abinan Romaric Rodolphe. "Impact de la Variablilite Climatique sur les Calendriers Agricoles dans la Sous-prefecture de Vavoua (Centre-Ouest Ivoirien)." European Scientific Journal, ESJ 18, no. 27 (August 31, 2022): 255. http://dx.doi.org/10.19044/esj.2022.v18n27p255.
Full textMorin, G., and M. Slivitzky. "Impacts de changements climatiques sur le régime hydrologique : le cas de la riviere Moisie." Revue des sciences de l'eau 5, no. 2 (April 12, 2005): 179–95. http://dx.doi.org/10.7202/705127ar.
Full textJakob, Fabien. "De l’élaboration de mesures d’adaptation aux changements climatiques. Gouvernance climatique en Ville de Lausanne ?" RIMHE : Revue Interdisciplinaire Management, Homme & Entreprise 52-53, vol. 12, no. 3 (February 15, 2024): 111–33. http://dx.doi.org/10.3917/rimhe.052.0111.
Full textLadi Tchoho, Mahamadou Dan, Agali Alhassane, Seydou Traoré, and Agossou Gadedjissou Tossou. "Impacts Potentiels du Changement Climatique sur les Rendements du Mil et du Sorgho Cultivés dans les Communes Rurales au Niger." European Scientific Journal, ESJ 19, no. 36 (December 31, 2023): 95. http://dx.doi.org/10.19044/esj.2023.v19n36p95.
Full textBourduas Crouhen, Valérie, Robert Siron, Hélène Côté, Travis Logan, and Isabelle Charron. "Les changements climatiques attendus et leurs impacts potentiels sur l’écologie routière au Québec." Connectivité et adaptation aux changements climatiques 143, no. 1 (November 28, 2018): 18–24. http://dx.doi.org/10.7202/1054113ar.
Full textOuarda, T. B. M. J., P. F. Rasmussen, J. F. Cantin, B. Bobée, R. Laurence, and V. D. Hoang. "Identification d'un réseau hydrométrique pour le suivi des modifications climatiques dans la province de Québec." Revue des sciences de l'eau 12, no. 2 (April 12, 2005): 425–48. http://dx.doi.org/10.7202/705359ar.
Full textRANDRIANARIVELO, Mamy Nirina Rolland, and ANDRIANARISON Edouard RAVALISON. "Changement Climatique Et Transition Enérgétique : Quel Avenir Pour Madagascar ?" International Journal of Progressive Sciences and Technologies 34, no. 2 (October 21, 2022): 295. http://dx.doi.org/10.52155/ijpsat.v34.2.4621.
Full textBourassa, Marie-Michèle, and Philippe Auzel. "Les changements climatiques au Nunavik." Gouvernance des parcs au Nunavik 31, no. 1 (December 5, 2013): 72–81. http://dx.doi.org/10.7202/1020711ar.
Full textDissertations / Theses on the topic "Impacts climatiques"
Doiron, Madeleine. "Impacts des changements climatiques sur les relations plantes-herbivores dans l'Arctique." Doctoral thesis, Université Laval, 2014. http://hdl.handle.net/20.500.11794/25487.
Full textWhen species at different trophic levels respond to climate change at different rates, this may lead to a trophic mismatch between the phenology of consumers and that of their resources. As polar regions are warming more rapidly than the rest of the planet, migratory birds breeding in the Arctic are expected to be among the species most affected by trophic mismatch in the wake of rapid climate change. This study examines the impact of climate warming on the interactions between an arctic herbivore, the greater snow goose (Chen caerulescens atlantica), and its food plants on Bylot Island, Nunavut, Canada. Using small greenhouses, we examined the impact of increased temperatures on plant biomass and a proxy of nutritive quality, nitrogen concentration, of graminoid plants used by geese during the brood-rearing period. This experiment showed that annual warming significantly increased biomass of graminoids but also led to an acceleration of the seasonal decline in plant nutritive quality and resulted in a decrease in the nitrogen concentration of plants by up to 14% during the period of gosling growth. We also showed that satellite-derived Normalized Difference Vegetation Index (NDVI) can be used as a proxy to determine date of peak nitrogen concentration in some tundra plants, and can thus be a reliable measure of the early changes in the timing of the availability of high quality food for herbivores. Using NDVI, we were then able to estimate the date of peak nitrogen in years when we had no empirical data on plant phenology. Finally, we analysed long-term data on climate, plant phenology and the reproduction of geese in order to examine the potential impact of mismatched reproduction on the growth of young. We found that geese are only partially able to adjust their breeding phenology to compensate for annual changes in the timing of high quality food plants, and that gosling body mass and structural size at fledging was reduced when trophic mismatch was high. Our results support the hypothesis that trophic mismatch can negatively affect the fitness of arctic herbivores, and that it is likely to be exacerbated by rising global temperatures.
Caurla, Sylvain. "Modélisation de la filière forêt-bois françaiseÉvaluation des impacts des politiques climatiques." Phd thesis, AgroParisTech, 2012. http://pastel.archives-ouvertes.fr/pastel-00772255.
Full textPasquon, Kelly. "Les activités climatiques saisonnières sur Mars et leurs impacts sur la morphologie." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS025/document.
Full textMars surface has been considered like a currently inactive planet for a long time. Nevertheless, numerous active phenomena have been observed during the last few years such as: gullies, dust devils, dark and bright flows. Most of them are also unexplained and their formation processes are unclear under present Mars conditions. The aim of this PhD is to study some gullies to try to understand their formation processes on Mars at the present time. For this, martian spacecraft data were analyzed and experimental studies were performed. Thanks to HiRISE (High Resolution Imaging Science Experiment) images and HiRISE DTM (Digital Terrain Models), a morphological study was carried out. This study has been completed by a spectroscopic study of the surface thanks to CRISM (Compact Reconnaissance Imaging Spectrometer for Mars) data. Experiments were also performed with a mix of liquid and sand to try to understand the pressure impact on martians flows. Morphological and spectroscopic studies on the southern hemisphere of Mars lead us to conclude that: i) Gullies are seasonal. They have different morphologies, sizes, timing of activities, orientations, and slopes. ii) Gullies are young. They appear and disappear on present-day. Some of them are active since 100 years. iii) CO₂ frost seems to be a good candidate for gullies creation but a participation of liquid water can’t be excluded in some cases. iv) Insolation variations and material accumulations in the upper part of the flow influence the gullies activity. v) Sinuosities can be created by another fluid than liquid water today on Mars. Experiments performed during this PhD demonstrate that: i) Water flow in granular surface and sub-surface triggers higher morphological impact under Martian pressure (~ 7mbar) and Earth pressure (~ 1000 mbar). ii) Exotic sediment transport can be observed at low pressure (~ 7mbar): “levitation” (with gas) and saltation. The morphology and dynamics are influenced by 3 main parameters: the sediment thickness, the temperature variations between the surface and the flow and the amount of flow material. Several seasonal phenomena were analyzed with different approaches. This allowed us to observe and interpret present-day flows and exotic processes. More data and new experiments at low pressure (in particular with CO₂) will help us to better constrain and better understand the formation conditions of current seasonal activities on the Mars surface
Wang, Xuhui. "Impacts of climate change and agricultural managements on major global cereal crops." Electronic Thesis or Diss., Paris 6, 2017. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2017PA066625.pdf.
Full textCroplands accounts for one-fifth of global land surface, providing calories for human beings and altering the global biogeochemical cycle and land surface energy balance. The response of croplands to climate change and intensifying human managements is of critical importance to food security and sustainability of the environment. The present manuscript of thesis utilizes various types of data sources (yield statistics, long-term agrometeorological observations, field warming experiments, data-driven global datasets, gridded historical climate dataset and projected climate change) and also modelling approaches (statistical model vs. process model). It presents a series of detection and attribution studies exploring how crop phenology and crop yield respond to climate change and some management practices at regional and global scales, according to data availability. In Chapter 2, a statistical model is constructed with prefecture-level yield statistics and historical climate observations over Northeast China. There are asymmetrical impacts of daytime and nighttime temperatures on maize yield. Maize yield increased by 10.0±7.7% in response to a 1 oC increase of daily minimum temperature (Tmin) averaged in the growing season, but decreased by 13.4±7.1% in response to a 1 oC warming of daily maximum temperature (Tmax). There is a large spatial variation in the yield response to Tmax, which can be partly explained by the spatial gradient of growing season mean temperature (R=-0.67, P<0.01). The response of yield to precipitation is also dependent on moisture conditions. In spite of detection of significant impacts of climate change on yield variations, a large portion of the variations is not explained by climatic variables, highlighting the urgent research need to clearly attribute crop yield variations to change in climate and management practices. Chapter 3 presents the development of a Bayes-based optimization algorithm that is used to optimize key parameters controlling phenological development in ORCHIDEE-crop model for discriminating effects of managements from those of climate change on rice growth duration (LGP). The results from the optimized ORCHIDEE-crop model suggest that climate change has an effect on LGP trends, but with dependency on rice types. Climate trends have shortened LGP of early rice (-2.0±5.0 day/decade), lengthened LGP of late rice (1.1±5.4 day/decade) and have little impacts on LGP of single rice (-0.4±5.4 day/decade). ORCHIDEE-crop simulations further show that change in transplanting date caused widespread LGP change only for early rice sites, offsetting 65% of climate-change-induced LGP shortening. The primary drivers of LGP change are thus different among the three types of rice. Management is predominant driver of LGP change for early and single rice. This chapter demonstrated the capability of the optimized crop model to represent complex regional variations of LGP. Future studies should better document observational errors and management practices in order to reduce large uncertainties that exist in attribution of LGP change and to facilitate further data-model integration. In Chapter 4, a harmonized data set of field warming experiments at 48 sites across the globe for the four most-widely-grown crops (wheat, maize, rice and soybean) is combined with an ensemble of gridded global crop models to produce emergent constrained estimates of the responses of crop yield to changes in temperature (ST). The new constraining framework integrates evidences from field warming experiments and global crop modeling shows with >95% probability that warmer temperatures would reduce yields for maize (-7.1±2.8% K-1), rice (-5.6±2.0% K-1) and soybean (-10.6±5.8% K-1). For wheat, ST was less negative and only 89% likely to be negative (-2.9±2.3% K-1). The field-observation based constraints from the results of the warming experiments reduced uncertainties associated with modeled ST by 12-54% for the four crops
Tanekou, Mangoua Clovis. "Impacts économiques des changement climatiques et de l'adaptation pour l'industrie forestière québécoise : analyse en équilibre général calculable." Mémoire, Université de Sherbrooke, 2013. http://hdl.handle.net/11143/6099.
Full textMareuil, Arnaud. "Impacts des changements climatiques sur les crues extrêmes des rivières : cas de la rivière Châteauguay /." Montréal : École de technologie supérieure, 2005. http://wwwlib.umi.com/cr/etsmtl/fullcit?pMR03065.
Full text"Mémoire présenté à l'École de technologie supérieure comme exigence partielle à l'obtention de la maîtrise en génie de la construction". Bibliogr.: f. [122]-125. Également disponible en version électronique.
Mareuil, Arnaud. "Impacts des changements climatiques sur les crues extrêmes des rivières : cas de la rivière Châteauguay." Mémoire, École de technologie supérieure, 2005. http://espace.etsmtl.ca/331/1/MAREUIL_Arnaud.pdf.
Full textDeslongchamps, Gabrièle. "Impacts des conditions environnementales sur la nitrification, l'assimilation et l'ammonification dans l'Articque canadien." Master's thesis, Université Laval, 2014. http://hdl.handle.net/20.500.11794/25614.
Full textAssoumal, Naibi Sidonie. "Les changements climatiques, un nouvel enjeu des relations internationales : impacts et éléments de stratégies d'adaptation au Tchad." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSE3005.
Full textClimate changes are upseting the whole planet. Their écologic and socio-economic impacts are a real threat for all countries, principally the developping ones. Since 1990, the international community has becoming aware of this and the developped countries are clearly showned as being mainly responsible. Consequently, they have to financially and technologically strive in order to help the less advanced countries to adapt. Nowadays, the climate changes represent a big stake in the inter-national relationships, they are debated in almost all international meetings. However, the world climatic governing is difficult to establish by the international community. The conferences are dominated by the frequent oppositions of the States’ national interests. As the impacts of climate changes are specifically localised, Chad appears as a vulnerable country suffering dramatic conse-quences: progression of desert, dryness, flood, loss of biodiversity, empoverishment of soils and diminishing water ressources which imply the decreasing ot the agricultural production, food unse-curity, deseases, conflicts and deportation of population. Although Chad is mobilised to struggle against climatic changes, it lacks the necessary capacity to confront this challenge. This thesis con-siders the sahelian zone as one of the most relevant to precisely analyse these impacts and for pro-posal of efficient strategies adapted to act against climate changes. It is about measures of mitiga-tion and adaptation which consist in operating more innovative and more targeted national politics, in creating new infrastructures in the sectors of transport, telecommunications, energy and in in-volving all the concerned actors
Walter-Simonnet, Anne-Véronique. "Impacts sédimentaires de la présence humaine et des variations climatiques. Exemples d'enregistrements lacustres, fluviatiles et estuariens." Habilitation à diriger des recherches, Université de Franche-Comté, 2008. http://tel.archives-ouvertes.fr/tel-00403128.
Full textLe Quaternaire est caractérisé par une oscillation rapide du climat entre des périodes glaciaires et interglaciaires. Depuis peu, l'étude des variations naturelles du climat, particulièrement celui de la période interglaciaire dans laquelle nous vivons, l'Holocène, a connu un regain d'intérêt avec la mise en évidence d'un réchauffement global de la planète dont l'origine est, au moins en partie, anthropique. Afin de pouvoir cerner et modéliser l'impact réel de l'Homme sur le climat, il est indispensable de connaître avec précision les paramètres forçant les variations climatiques naturelles et les effets de ces variations sur l'environnement, et en particulier les enregistrements sédimentaires puisque ceux-ci sont utilisés dans les reconstructions climatiques puis les modélisations du climat. Les bassins versants, de tailles variées, et l'échelle de temps étudiés permettent de suivre à très court, court et moyen terme uniquement l'effet du climat puis la mise en place de la pression anthropique et son impact dans différents contextes sédimentaires.
Les lochs, lacs et tourbières sont des sites dans lesquels les enregistrements sédimentaires sont généralement continus depuis le dernier maximum glaciaire (environ 20 000 ans) et souvent caractérisés par une résolution très fine. En revanche, les enregistrements sédimentaires en domaine alluvial et estuarien sont très réduits et fragmentés, mais non dénués d'intérêt. Il s'agit donc nécessairement de conduire une approche pluridisciplinaire. Au sein de cette thématique globale, mes activités de recherche sont centrées sur une approche minéralogique, granulométrique et géochimique de l'impact des variations climatiques et des phases d'anthropisation sur les sédiments. La question de la datation des sédiments est alors cruciale pour corréler entre eux des événements d'impact régional. C'est là qu'intervient la mise en évidence et la caractérisation de niveaux de téphras dont la dispersion régionale est instantanée à l'échelle des temps géologiques.
Books on the topic "Impacts climatiques"
1959-, Lemmen Donald Stanley, Warren Fiona J, Canada Ressources naturelles Canada, and Canada. Direction des impacts et de l'adaptation liés aux changements climatiques., eds. Impacts et adaptation liés aux changements climatiques: Perspective canadienne. [Ottawa]: Programme sur les impacts et l'adaptation aux changements climatiques, 2004.
Find full textLemmen, Donald Stanley. Climate change impacts and adaptation: A Canadian perspective : summary = Impacts et adaptation liés aux changements climatiques : perspective canadienne : sommaire. [Ottawa]: Climate Change Impacts and Adaptation Program, 2004.
Find full textThe impacts of climate on fisheries. Nairobi, Kenya: United Nations Environment Programme, 1994.
Find full textWilliamson, T. B. Climate change and Canada's forests: From impacts to adaptation. Edmonton: Sustainable Forest Management Network, 2009.
Find full textEtudes palynologique et paléoenvironnementale de sondages holocènes dans les Gunung Sewu (Java, Indonésie): Reconstitution de l'environnement, impacts climatiques et anthropiques : mise en évidence de la néolithisation. Oxford: John and Erica Hedges, 2005.
Find full textRiel, W. G. Impacts of climate change on mountain pine beetle habitat connectivity in western Canada. Victoria, B.C: Pacific Forestry Centre, 2011.
Find full textLes archives fluviales du bassin-versant de la beuvronne (Seine-et-Marne, Bassin parisien, France): Perception et impacts des modifications climatiques et des occupations humaines depuis 15 000 ans. Oxford: Archaeopress, 2005.
Find full text(Canada), Northern Forestry Centre, ed. Assessing potential biophysical and socioeconomic impacts of climate change on forest-based communities: A methodological case study. Edmonton: Northern Forestry Centre, 2008.
Find full textLes impacts du changement climatique en Aquitaine: Un état des lieux scientifique. Pessac: Presses universitaires de Bordeaux, 2013.
Find full textPour la taxe carbone: La politique économique face à la menace climatique. Paris: Éditions Rue d'Ulm, 2009.
Find full textBook chapters on the topic "Impacts climatiques"
QUENAULT, Béatrice. "La vulnérabilité à l’heure des changements climatiques et de l’urbanisation planétaire." In Vulnérabilité, territoire, population, 225–47. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9106.ch11.
Full textGRAMOND, Delphine. "Les impacts du changement climatique sur la distribution des biomes." In Les impacts spatiaux du changement climatique, 271–92. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9009.ch13.
Full textDIELE-VIEGAS, Luisa Maria. "Biogéographie et changement climatique." In La biogéographie, 327–44. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9060.ch12.
Full textMERCIER, Denis, and Étienne COSSART. "Les conséquences du changement climatique sur la cascade sédimentaire paraglaciaire." In Les impacts spatiaux du changement climatique, 95–120. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9009.ch5.
Full textHENRY, Sabine. "Changements climatiques et démographie." In Population et questions de développement, 231–53. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9051.ch9.
Full textValembois, Fanny. "Bibliothèques : quels impacts énergétiques et climatiques ?" In Engager les bibliothèques dans la transition écologique, 30–41. Presses de l’enssib, 2023. http://dx.doi.org/10.4000/books.pressesenssib.17851.
Full text"Chapitre 8 Impacts des changements climatiques." In Enjeux de la transition écologique, 221–44. EDP Sciences, 2022. http://dx.doi.org/10.1051/978-2-7598-2662-9.c010.
Full textDUBREUIL, Vincent, Damien ARVOR, Beatriz FUNATSU, Vincent NÉDÉLEC, and Neli DE MELLO-THÉRY. "Les changements climatiques en Amazonie, une approche multiscalaire." In Les impacts spatiaux du changement climatique, 247–70. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9009.ch12.
Full textCANOBBIO, Éric. "Entre réchauffement et mondialisation, repenser l’Arctique au coeur d’un système d’enjeux." In Les impacts spatiaux du changement climatique, 45–72. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9009.ch3.
Full text"Impacts perçus et en cascade." In Changements climatiques et santé. Prévenir, soigner et s'adapter, 183–94. Presses de l'Université Laval, 2019. http://dx.doi.org/10.2307/j.ctv1g247d3.21.
Full textConference papers on the topic "Impacts climatiques"
CHARLES, Elodie, Déborah IDIER, Pascale DELECLUSE, Michel DEQUE, and Gonéri LE COZANNET. "Impact du changement climatique sur les vagues et les flux sédimentaires le long du littoral aquitain." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2012. http://dx.doi.org/10.5150/jngcgc.2012.002-c.
Full textReports on the topic "Impacts climatiques"
Lemmen, D. S., and F. J. Warren. Impacts et adaptation liés aux changements climatiques : perspective canadienne. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2004. http://dx.doi.org/10.4095/226468.
Full textBoyd, R., and A. Markandya. Coûts liés aux impacts des changements climatiques et aux mesures d'adaptation. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328401.
Full textMeloche, Jean-Philippe, Jérôme Dupras, Andrew Gonzales, Justin Leroux, and François Vaillancourt. Étude sur la mise en œuvre d’outils d’écofiscalité au service de la conservation et de l’adaptation aux changements climatiques dans les basses-terres du Saint-Laurent. CIRANO, June 2023. http://dx.doi.org/10.54932/kgdx2810.
Full textMeloche, Jean-Philippe, Cédric Bourbonnais, Arnaud Dragicevic, Tejasvi Hora, Noémie Lacroix, Julie Lebert, Justin Leroux, et al. Étude sur la mise en œuvre d’outils d’écofiscalité au service de la conservation et de l’adaptation aux changements climatiques dans les basses-terres du Saint-Laurent. CIRANO, June 2023. http://dx.doi.org/10.54932/momv7435.
Full textBieder, Corinne, René Amalberti, Jean Pariès, Hervé Laroche, Eric Marsden, and Caroline Kamaté. La sécurité à l’ère du «vivre avec»: Incertitude, complexité et nouvelles attentes. Fondation pour une Culture de Sécurité Industrielle, May 2024. http://dx.doi.org/10.57071/420yzp.
Full textGiles Álvarez, Laura, Juan Carlos Vargas-Moreno, Alejandra Mejía, Aastha Patel, and Nerlyne Jean-Baptiste. Une approche spatiale pour analyser l’insécurité alimentaire dans le département du Nord-Ouest d’Haïti. Inter-American Development Bank, December 2022. http://dx.doi.org/10.18235/0004589.
Full textFontecave, Marc, and Candel Sébastien. Quelles perspectives énergétiques pour la biomasse ? Académie des sciences, January 2024. http://dx.doi.org/10.62686/1.
Full textRousseau, Henri-Paul. Gutenberg, L’université et le défi numérique. CIRANO, December 2022. http://dx.doi.org/10.54932/wodt6646.
Full textLe Canada dans un climat en changement : rapport sur les enjeux nationaux, coûts liés aux impacts des changements climatiques et aux mesures d'adaptation [infographie]. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328425.
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