Results 21 to 30 of about 149,201 (280)

Structural analysis and environmental factors affecting the formation of the Siberian high-pressure core in the Baikal and Balkhash lakes [PDF]

open access: yesمخاطرات محیط طبیعی, 2022
The Siberian high-pressure system is one of the components of atmospheric circulation affecting the climate of Iran, especially in the cold season of the year.
Hassan Lashkari   +2 more
doaj   +1 more source

Frequency of entrance Mediterranean Cyclones to Iran and Their Impact on Widespread precipitation [PDF]

open access: yesمخاطرات محیط طبیعی, 2021
The fluctuation of rainfall across the country has created many environmental crises in recent years. In this study, in order to investigate the widespread rainy days of Iran, two groups of data centers including high atmosphere data and ground level ...
Hossein Asakereh, َAtoosa Khojasteh
doaj   +1 more source

Exploring the Time Domain With Synoptic Sky Surveys [PDF]

open access: yes, 2011
Synoptic sky surveys are becoming the largest data generators in astronomy, and they are opening a new research frontier, that touches essentially every field of astronomy.
A. A. Mahabal   +17 more
core   +3 more sources

Thermal advection analysis of cooling waves of Iran [PDF]

open access: yesتحقیقات کاربردی علوم جغرافیایی, 2018
Survey of advection of cold waves in Iran is the main aim of this study. In this regard, 45 synoptic stations were employed and studied. In order to investigate the thermal advection of cold waves, 1000, 850, 700 and 500 hp levels were reviewed and ...
Younes Khosravi   +3 more
doaj  

Thermodynamic study of thunderstorms in southwestern Iran [PDF]

open access: yesتحقیقات کاربردی علوم جغرافیایی, 2021
This study aimed to investigate the temporal-spatial and synoptic features of thunderstorms in southwest of Iran (Khuzestan, Chaharmahal & Bakhtiari and Kohkiluyeh & Boyerahmad Provinces) It was compiled using volatility indices during the period 1985 ...
asal falak, reza boran, farideh asadian
doaj  

An Updated Synoptic Climatology of Lake Erie and Lake Ontario Heavy Lake-Effect Snow Events

open access: yesAtmosphere, 2020
Lake-effect snow (LES) storms pose numerous hazards, including extreme snowfall and blizzard conditions, and insight into the large-scale precursor conditions associated with LES can aid local forecasters and potentially allow risks to be mitigated.
Jake Wiley, Andrew Mercer
doaj   +1 more source

Synoptic Analysis of Floods in Bavanat Marvast River in Yazd [PDF]

open access: yesجغرافیا و آمایش شهری منطقه‌ای, 2013
This study investigates the effect of synoptic analysis of Bavanat Marvast river floods in Yazd.  Due to the regional aridity, there were 5 flood periods during statistical period of 9 years, i.e.
Dr. Kamal Omidvar   +2 more
doaj   +1 more source

Synoptic Analysis of Heavy Rainfall Caused by Scut-Off Low in Bazoft Basin (Case study: Precipitation during March 8-13, 2010) [PDF]

open access: yesمحیط زیست و مهندسی آب, 2016
The specific nature of heavy precipitation and its consequences have caused the phenomenon of particular importance in environmental planning and management of water.
Hossein Asakereh   +2 more
doaj  

Statistical - Synoptic Analysis of the Extreme Precipitation in Western Iran [PDF]

open access: yesجغرافیا و پایداری محیط, 2020
Heavy daily rainfall occurs when it exceeds the region's long-term average and becomes an extreme event or climate hazard. The aim of this study is to provide the synoptic and statistical analysis of the most intense daily precipitation in western Iran ...
Mehrdad Kiani   +2 more
doaj   +1 more source

Spectral Analysis of Time Series of Thunderstorms in Northwest of Iran [PDF]

open access: yesنشریه جغرافیا و برنامه‌ریزی, 2017
Strong winds have been named as the storms that blow in different shapes and too fast for a short time and are usually associated with unstable weather. If the unstable air have had humidity thunderstorms was happen other case was caused the dust storms.
masoud jalali, Vahab Kamariyan
doaj   +1 more source

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