نتایج جستجو برای: نسخه era interim

تعداد نتایج: 105140  

2011
Julien P. Nicolas David H. Bromwich

The temporal consistency of the moisture fields (precipitation, evaporation and total precipitable water) from five global reanalyses is examined over Antarctica and the Southern Ocean during 1989–2009. This concern is important given that (1) global reanalyses are known to be prone to inhomogeneities and artificial trends caused by changes in the observing system, and (2) the period of study h...

2016
David Barton

There are over 900 nights of observations taken by the Rayleigh lidar above Utah State University from 1993 to 2004. The data have been reduced to give absolute temperatures and relative densities in the mesosphere, from 45-90 km (Herron, 2004, 2007). From the 11 years of relative density data an 11-year climatology of mesospheric densities above Logan, Utah has been created. From this climatol...

Journal: :Ocean Engineering 2022

The present work uses for the first time scatterometer wind fields to force a wave model and compares accuracy of resulting conditions with ones obtained when using two different sources hindcast forcing same spectral in Atlantic Ocean. For this purpose, 5-year (2010–2014) is performed SWAN Madeira Azores archipelagos. as input bathymetry from GEBCO, boundary WAVEWATCH III provided by Ifremer w...

Journal: :Mausam 2021

The conventional rainfall data estimates are relatively accurate at some points of the region. interpolation such type approximates actual rainfield however in scarce regions; resulted is rough estimate events. In regions like Indus basin Pakistan, obtained through remote sensing can be very useful. This research evaluates two types gridded i.e., European Reanalysis (ERA) interim and Japanese 5...

ژورنال: :کاوشنامه جغرافیایی مناطق بیابانی 0

در توزیع مکانی ناهمگون ریزش­های جوی و شکل­گیری بیابان­ها، شرایط جغرافیایی و به­خصوص عامل ارتفاعات، نقش مؤثری دارند. بیابان لوت، یکی از خشک­ترین مناطق زمین در کمربند بیابانی جهان است که در ایامی از سال تحت سیطره پرفشار جنب­حاره­ای قرار داشته و علاوه بر آن، در سایه ­باران کوه­های استان کرمان نیز واقع شده است. بر این اساس در این پژوهش تلاش شده است میزان اثرگذاری ارتفاعات در ایجاد بیابان­ لوت با اس...

Journal: :Environmental Modelling and Software 2021

This study evaluates a numerical weather prediction model as tool for wind resource assessment in complex terrain and how the simulations are affected by selection of initial boundary conditions various grid resolutions. Two global reanalyses, ERA-Interim ERA5, four resolutions, 27 km, 9 3 km 1 have been considered. The compared to hub-height measurements. ERA5 forced were found provide improve...

Journal: :The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences 2018

Journal: :Weather and climate dynamics 2022

Abstract. This study compares trends in the Hadley cell (HC) strength using different metrics applied to ECMWF ERA5 and ERA-Interim reanalyses for period 1979–2018. The HC is commonly evaluated by derived from mass-weighted zonal-mean stream function isobaric coordinates. Other include upper tropospheric velocity potential, vertical mid-troposphere, water vapour transport lower troposphere. Sev...

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