نتایج جستجو برای: hadcm3 model
تعداد نتایج: 2104699 فیلتر نتایج به سال:
The main goal of this paper is to estimate how the observed and predicted climate changes may affect the development rates and emergence of the codling moth in the southern part of the Wielkopolska region in Poland. In order to simulate the future climate conditions one of the most frequently used A1B SRES scenarios and two different IPCC climate models (HadCM3 and GISS modelE) are considered. ...
During the last deglaciation (∼19–11 ka before present), global mean temperature increased by 3–8 K. The concurrent hydroclimate and land cover changes are not well constrained. Here, we use a pollen database to quantify global-scale vegetation during this transitional period at orbital (∼104 years) millennial timescales (∼103 years). We focus on proportion of tree shrub pollen, arboreal (AP) f...
امروزه پدیده ی تغییر اقلیم به عنوان یک معضل جدی گریبان گیر کشورهای جهان شده است، به نظر می رسد که اکوسیستم ها به طور ویژه ای از این تغییرات آسیب بینند، از این رو مطالعه ی روند تغییرات متغیرهای اقلیمی در درازمدت اهمیت ویژه ای در بررسی های اقلیمی و پیش بینی آن در آینده خواهد داشت. پدیده ی بارش تابع عوامل زیادی می باشد که پیش بینی آن به روش های معمول آماری از دقت کمی برخوردار است. روش های مختلفی ب...
Nowadays, one of the most significant problems is that to recognize how severity heavy precipitation and floods may alter in future time comparison with current period. The purpose this research understand impact climate change on storm water probability maximum flood for Zayandeh rud river basin Iran selected as a case study. Forecast climatic parameters based temperature upcoming period (2006...
investigation of drought event has a great importance in the natural resources management and planning water resources management. in this research, the effect of the climate change on drought characteristics in northwest of iran was investigated using the hadcm3 model under a2 scenario. the statistical downscaling was executed using sdsm 4.2.9 and observed daily precipitation, observed predict...
The IPCC TAR (2001) suggests that Southern and Central European countries may become highly vulnerable to global warming. In the frame of the Hungarian national climate change program, adaptation of regional models with fine horizontal resolution (10-25 km) is in progress. Since detailed simulations and evaluation of the final results are not available yet for the Carpathian Basin, results of t...
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