the simulation of tabriz temperature and precipitation in atmospheric carbon dioxide doubling condition using goddard institute of space studies general circulation model (giss gcm)

نویسندگان

برومند صلاحی

استادیار دانشگاه محقق اردبیلی خلیل ولیزادة کامران

عضو هیئت علمی گروه جغرافیای طبیعی دانشگاه تبریز یوسف قویدل رحیمی

دانشجوی دکتری اقلیم شناسی دانشگاه اصفهان

چکیده

abstract in this study we have used the monthly data resulted from the calculation of temperature and precipitation for a 52-year period (1951-2003). the doubling effect of carbon dioxide ( ) on temperature and precipitation was modeled as the most important climatic parameters. the resulting hythergraph and ambrothermic models for tabriz indicate monthly increases of temperature and precipitation during the doubling periods. a comparison of the present and simulated ambrothermic models applying goddard institute of space studies)giss( shows precipitation and temperature changes in tabriz. a decrease in the duration and intensity of cold period and freezing days, a reduction in spring and winter precipitation, a shift in precipitation from snow to rain, the extension of growth season, the increase in temperature and the resulting dryness are the signs of such changes. keywords: climatic simulation, changes in temperature and precipitation, general circulation models (gcm), goddard institute of space studies (giss (model, tabriz.

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