Letteratura scientifica selezionata sul tema "Climat continental froid et humide"
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Articoli di riviste sul tema "Climat continental froid et humide"
Litynski, Joseph. "Le climat de la région Mauricie-Bois-Francs". Cahiers de géographie du Québec 26, n. 67 (12 aprile 2005): 139–44. http://dx.doi.org/10.7202/021552ar.
Testo completoJetté, Hélène, e Pierre J. H. Richard. "Contribution à l’histoire postglaciaire de la végétation en Gaspésie méridionale, Québec". Géographie physique et Quaternaire 46, n. 3 (29 novembre 2007): 273–84. http://dx.doi.org/10.7202/032914ar.
Testo completoCouillard, Pierre-Luc, Serge Payette, Martin Lavoie e Jason Laflamme. "La forêt boréale du Québec : influence du gradient longitudinal". Foresterie 143, n. 2 (4 giugno 2019): 18–32. http://dx.doi.org/10.7202/1060052ar.
Testo completoAsnong, Hans, e Pierre J. H. Richard. "La végétation et le climat postglaciaires du centre et de l’est de la Gaspésie, au Québec". Géographie physique et Quaternaire 57, n. 1 (10 febbraio 2005): 37–63. http://dx.doi.org/10.7202/010330ar.
Testo completoRicaud, Philippe, e Aude Sonneville. "Concordia : une station scientifique dans le froid extrême de l'Antarctique". La Météorologie, n. 123 (2023): 059. http://dx.doi.org/10.37053/lameteorologie-2023-0095.
Testo completoHétu, Bernard, Henk Van Steijn e Pierre Vandelac. "Les coulées de pierres glacées : un nouveau type de coulées de pierraille sur les talus d’éboulis". Géographie physique et Quaternaire 48, n. 1 (23 novembre 2007): 3–22. http://dx.doi.org/10.7202/032969ar.
Testo completoTesi sul tema "Climat continental froid et humide"
Ravelojaona, Nomena. "Evaluation of STICS model performance for long-term simulation of biomass production and nitrogen nutrition of spring barley and timothy cultivated in two important agricultural regions in Quebec (Canada)". Electronic Thesis or Diss., Bordeaux, 2023. http://www.theses.fr/2023BORD0503.
Testo completoSpring barley (Hordeum vulgare L.) and timothy (Phleum pratense L.) are crops of prime economic importance for the province of Quebec and other regions with cold, humid continental climate (North America, Nordic countries, etc.). Soil-crop models are powerful tools for calculating, a wide range of agronomic and environmental variables, since they are designed to simulate the complex interactions between crops, water, and soil nitrogen (N) in the soil–plant–atmosphere continuum. Among other models, STICS is a process-based soil-crop model developed initially for temperate agropedoclimatic conditions. However, it can be adapted to conditions of other agrosystems.The objectives of this thesis were to analyze and extend the scope of application of STICS to these two economically important crops grown under agropedoclimatic conditions in the Province of Quebec, and to evaluate the model's predictive performance on long–term simulations. This thesis is a contribution to the study of the genericity of STICS for Quebec agrosystems. In addition to the climatic context, the originality of this work lies in the crops studied – spring barley and timothy – and the number of successive years of continuous simulations (without annual reinitialization). The predictive performances of STICS were analyzed for aboveground biomass production, N content and N export for i) a 31-year spring barley monoculture grown under two tillage systems and fertilized with two N sources (mineral N and liquid dairy manure); and ii) an 8-year timothy grassland, fertilized each year with four application N rates (0, 60, 120, 180 kg N ha-1). We used databases from two experimental field trials conducted by Agriculture and Agri-Food Canada.For the barley monoculture, the STICS calibration procedure required the adjustment of cultivar parameters in particular, thus confirming the genericity of most plant parameters defined in STICS. There is a good agreement between observed and predicted variables of interest with the various tillage systems and N sources during the 31 successive barley cropping years, but with greater dispersion for the N nutrition. Predictions of crop attributes were more accurate in years with rainfall close to the long-term average. For timothy grassland grown over 8 years, the agreement between observed and predicted values was satisfactory for the first harvest. STICS correctly simulated the positive effect of the N application rates on biomass production and plant N nutrition. Nevertheless, the predicted values were overestimated by the model in the absence of N fertilization. Except for this very specific situation, which is not representative of agronomic practices, STICS performed satisfactorily in the context of the two field experiments studied. In addition, STICS reproduced well decreasing trend in timothy productivity observed with the age of the sward. The results showed that this decrease in yield over time is strongly correlated with the reduction in metabolic reserve in the perennial organs.In conclusion, this thesis work has demonstrated the applicability and reliability of the STICS model for the long-term simulation of biomass production and N nutrition of spring barley and timothy under agropedoclimatic conditions in the Province of Quebec