نتایج جستجو برای: مدل wrf chem
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The online model, Weather Research and Forecasting Model with Chemistry (WRF-Chem) is employed to interpret the effects of aerosol-cloud-precipitation interaction on mesoscale meteorological fields over Northeast Asia during the Megacity Air Pollution Study-Seoul (MAPS-Seoul) 2015 campaign. The MAPS-Seoul campaign is a pre-campaign of the Korea-United States Air Quality (KORUS-AQ) campaign cond...
Comprehensive model evaluation and comparison of two 3-D air quality modeling systems (i.e., the Weather Research and Forecast model (WRF)/Polyphemus and WRF with chemistry and the Model of Aerosol Dynamics, Reaction, Ionization, and Dissolution (MADRID) (WRF/ChemMADRID)) are conducted over Western Europe. Part 1 describes the background information for the model comparison and simulation desig...
در این مطالعه اثر گوارد دادههای تابندگی ماهواره، دادههای prepbufr که شامل مجموعهای از دادههای سطح زمین و جو بالاست و دادههای GPSro با استفاده از سامانه دادهگواری WRFDA در بهبود پیشبینی باد و بار گرد و خاک در مدل WRF-Chem بررسی شده است. مطالعات انجام شده روی دو مورد گرد و خاک در غرب کشور در تاریخهای 15 ژوئن 2016 و 31 اوت 2015 با منشأ کشور عراق بوده است. برای هر مورد، دو آزمایش مختلف، یک ...
[1] In this work, we map and develop for the first time an independent satellite constrained NOx emission inventory for India for 2005 using an inverse technique and iterative procedure. We used OMI tropospheric NO2 column retrievals over the Indian region, with tropospheric NO2 columns simulated by the WRF‐Chem model using the INTEX‐B emission inventory. We determined the local relationship be...
We use a 3-D regional atmospheric chemistry transport model (WRF-Chem) to examine ozone dry deposition in East Asia, which is an important but uncertain research area because of insufficient observation and numerical studies focusing on East Asia. Here we compare two widely used dry deposition parameterization schemes, the Wesely and M3DRY schemes, which are used in the WRF-Chem and Community M...
[1] Multiple data sets, mostly from satellite observations, are used to evaluate the performance of the Weather Research and Forecasting model with Chemistry (WRF‐Chem) in simulating the distribution and evolution of aerosol, clouds, precipitation and chemistry during the dry season in South America. A 9‐day WRF‐Chem simulation with 36 km horizontal resolution is performed from 15 to 24 Septemb...
Gridpoint Statistical Interpolation (GSI) is an assimilation tool that is used at the National Centers for Environmental Prediction (NCEP) in operational weather forecasting in the USA. In this article, we describe implementation of an extension to the GSI for assimilating surface measurements of PM2.5, PM10, and MODIS aerosol optical depth at 550 nm with WRF-Chem (Weather Research and Forecast...
The contribution of garbage burning (GB) emissions to chloride and PM2.5 in the Mexico City Metropolitan Area (MCMA) has been investigated for the period of 24 to 29 March during the MILAGRO-2006 campaign using the WRF-CHEM model. When the MCMA 2006 official emission inventory without biomass burning is used in the simulations, the WRF-CHEM model significantly underestimates the observed partic...
اهمیت استفاده از انرژیهای پاک، در بخشهای دیگر انرژی آشکار گردیده است. در این میان، انرژی هستهای و استفاده از آن در تولید برق جزء انرژیهای نسبتا" پاک به شمار می آید. از طرفی بروز حادثه در نیروگاههای هستهای مثل حوادث چرنوبیل و فوکوشیما تأثیرات دراز مدت و نامطلوبی بر روی محیط زیست و سلامتی انسانها میگذارد. با توجه به اهمیت استفاده از مدلهای هواشناسی در پیش بینی و ردیابی مسیر انتقال آلاینده...
Methane emissions from natural gas production areas are subject to large uncertainties at regional scales. Top-down methodologies offer an integrated approach to monitor these emissions but highly depend on the quality of the atmospheric model used to relate the surface emissions to the observed atmospheric concentrations. Using continuous measurements of in-situ CH4 and C2H6 mixing ratios from...
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