نتایج جستجو برای: مدل hysplit
تعداد نتایج: 120231 فیلتر نتایج به سال:
different patterns of pressure systems together with local factors, leads in generation, risingand spread of dust in west of iran. in this study, to investigate the factors causing the occurrence of dust inkermanshah province, 132 cases of dust phenomena (code: 06) were selected and analyzed using kermanshahsynoptic station data for the spring and summer seasons in a period of 5 years (2005-200...
Celem badań była analiza danych pomiarowych pyłów zawieszonych PM10 na terenie aglomeracji krakowskiej oraz wykonanie modelu trajektorii wstecznych mas powietrza w celu określenia, czy i jakim stopniu zjawiska naturalne, takie jak pożary lasów poza granicami Polski, wpływają stopień zanieczyszczenia powietrza.W artykule opisano proces dyspersji zanieczyszczeń atmosferze ziemskiej zasady monitor...
Fine particulate matter (PM(2.5)) is majorly formed by precursor gases, such as sulfur dioxide (SO(2)) and nitrogen oxides (NO(x)), which are emitted largely from intense industrial operations and transportation activities. PM(2.5) has been shown to affect respiratory health in humans. Evaluation of source regions and assessment of emission source contributions in the Gulf Coast region of the U...
Abstract In this work, the HYSPLIT model was used to reproduce birch pollen concentrations in Poland for years 2015 and 2016, where there significant variation terms of start/end dates season. The analysis observations showed that seasonal integral (SPIn) low with a shorter season compared 2016. SPIn unusually high. simulation, one-hour temporal resolution, conducted during (from March May) Met...
A modeling framework was proposed to investigate the impact of trans-boundary air pollutant transport on regional air quality. This was based on a combination of the HYSPLIT trajectory model, the CAMx air quality model, and the MM5 meteorological model. The examination of atmospheric PM10 pollution in Guangzhou within the Pearl River Delta (PRD) region of southern China was used as a case study...
A perfluorocarbon tracer system (PERTRAS), specifically designed for Lagrangian aircraft experiments, has been developed by the Deutsches Zentrum für Luftund Raumfahrt (German Aerospace Center, DLR). It consists of three main parts: a tracer release unit (RU), an adsorption tube sampler (ATS), and a tracer analytical system. The RU was designed for airborne tracer release experiments; meanwhile...
In the paper, the atmospheric conditions in the Persian Gulf region and southwest of Iran were studied by analyzing several case studies in cold and warm seasons. For this purpose, three case studies were selected from the dust events occurred between September and March and have been studied using meteorological stations data, satellite imagery, ECMWF global data, and HYSPLIT and DREAM outputs...
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