Modelagem do Impacto da Topografia Boreal no Clima Global (Modelling the Impact of Topography on Global Climate Boreal)
DOI:
https://doi.org/10.26848/rbgf.v4i2.232682Keywords:
Topografia, Mudanças Climáticas, Modelos ClimáticosAbstract
Foram realizadas simulações climáticas a partir de 2 experimentos de sensibilidade numérica conduzidos com um modelo acoplado de complexidade intermediária, LOVECLIM, estendendo-se para um período de 300 anos. Sendo que, neste experimento foi realizada a redução em 50% da topografia geral do hemisfério norte, um com modelo acoplado (oceano-atmosfera) e outro desacoplado (somente atmosfera). Nos resultados obtidos, foram observadas alterações no padrão de clima global e local, em especial a região da Ásia, relacionadas com aumento de temperatura do ar à superfície e intensidade do vento. Maiores alterações foram observados em regiões continentais no hemisfério norte. Isto mostra o maior impacto local causado pela forçante topográfica com o a redução da pela metade da topografia boreal.
Palavras-chave: Topografia, Mudanças Climáticas, Modelos Climáticos, Forçante Climática
Modelling the Impact of Topography on Global Climate Boreal
ABSTRACT
Simulations were conducted from two numerical sensitivity experiments conducted with a coupled model with intermediate complexity, LOVECLIM, extending for a period of 300 years. Since this experiment was carried out 50% reduction in the general topography of the northern hemisphere, with a coupled model (ocean-atmosphere) and the other uncoupled (atmosphere only). Their results have been observed changes in the pattern of global and local climate, particularly in Asia, linked to increase of air temperature and wind intensity. The biggest impacts were observed in continental regions in the north hemisphere. This shows the greater local impact caused by topographic forcing
Keywords: Topography, Climate Change, Climate Models, Topographic Forcing
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Copyright (c) 2011 Bruno Lopes Faria, Flavio Barbosa Justino
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