This study analyzes six frontal dust storms in the Middle East during cold period (October–March), aiming to examine atmospheric circulation patterns and force dynamics that triggered fronts associated (pre- or post-frontal) storms. Cold troughs mostly located over Turkey, Syria north Iraq played a major role front propagation at surface, while cyclonic conditions strong winds facilitated The p...

Soil moisture is one of the key components land surface processes and a potential source atmospheric predictability that has received little attention in regional scale studies. In this study, an attempt was made to investigate impact soil on Indian summer monsoon simulation using model. We conducted seasonal simulations climate model (RegCM4) for two different years, viz., 2002 (deficit) 2011 ...

Daily mean air temperature (TMP) is an important indicator for a climate change study and it reflects the daily changes of maximum minimum temperature. Downscaling General Circulation Model (GCM) to regional scale ensure accurate simulation TMP. To address this issue, comparison was conducted between Direct (DIR) one-way nesting (NEST) using Regional Climate (RegCM4) in period 1997-2017 over Eg...

The present study examines the efficacy of regional climate model RegCM4 in depicting onset, active, and break phases Indian summer monsoon (ISM). is driven by National Centers for Environmental Prediction (NCEP)/NCAR Reanalysis 1 project (NNRP1) data 28 years (1981–2008) each separately. High-resolution gridded rainfall analysis dataset India Meteorological Department (IMD) epochal report from...

در این تحقیق به مقایسه تحلیلی و عددی آبشار جریان برگشتی مدل R با آبشارهای Q QI سیستم‌­های چندجزیی پایدار پرداخته می‌­شود. راستا برای اولین بار کدهای جهت طراحی منظور کد نرم‌افزار متلب نوشته شده‌­اند. نتایج نشان می‌­دهد که دو جزء 1k 2k از خوراک Nc جزء، تعداد معدودی قابل تعریف است همگی حالات خاصی می­‌باشد. هم‌­چنین یافته‌­ها مجموع مقدار برش جزیی همیشه برابر یک است. طریق داده می‌­شود صورتی میانگین ...