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地表反照率表征地面对太阳辐射的吸收和反射能力，是地表能量平衡的关键参数。青藏高原冬春季降雪频繁，地表反照率在降雪和随后的积雪演变过程中剧烈变化，对地表能量平衡和水循环有很大影响。目前广泛使用的Noah陆面过程模式由于缺乏对地表反照率方案考虑，导致模式在青藏高原地区出现较大的气象要素模拟偏差。随着卫星遥感反照率反演精度提高，利用卫星遥感反照率数据如何改进模式反照率参数化方案？该方案在青藏高原降雪过程...
Twelve-month, 12 km resolution North American WRF-Chem v3.4 air quality simulation: performance evaluation
Horizontal resolution the simulation of the air pollution in the chemical chemical transfer mode the mechanism of atmospheric chemistry modal aerosol dynamics model
2015/5/18
We present results from and evaluate the performance of a 12-month, 12 km horizontal resolution year 2005 air pollution simulation for the contiguous United States using the WRF-Chem (Weather Research...
MYJ和YSU方案对WRF边界层气象要素模拟的影响
大气边界层方案 温度层结 风速 边界层高度 整体Richardson数
2013/11/6
研究新一代中尺度气象模式WRF中两种大气边界层方案(MYJ,YSU)对沈阳冬季大气边界层结构模拟的影响,重点分析温度层结、低层风场、边界层高度等对污染物扩散有重要影响的气象要素.和观测数据的比对表明WRF基本能够模拟出温度风速的日变化特征,但模拟风速偏大.YSU方案由于模拟的边界层顶卷挟和边界层内混合作用较强,夜间接地逆温强度低于MYJ方案,逆温维持时间比MYJ方案短4小时,同时模拟边界层高度也高...
CAMS云微物理方案的改进及与WRF模式耦合的个例研究
CAMS 微物理方案 WRF 耦合
2013/11/5
本文在中国气象科学研究院(CAMS)双参数云微物理方案的基础上,增加气溶胶粒子的活化过程,改进原方案中的水汽混合比、云水混合比及云滴数浓度的预报方程,实现对各种水成物(包括云水)的混合比和数浓度的预报.此外,改进后的CAMS云方案被成功耦合到了WRF v3.1中尺度模式.本文利用耦合模式对2009年4月23~24日发生在我国北方地区的一次降水天气过程进行了模拟,将新方案的模拟结果与WRF自带的3个...
本文利用中尺度模式Weather Research and Forecasting Model (WRF) 3。1版本及National Centers for Environmental Prediction (NCEP)分析资料，就2003年6月下旬中国江淮及南方地区的强降水事件，以24h短期天气模拟的方式，研究了模式中四个不同陆面方案对降水模拟的影响。结果表明，此次暴雨事件模拟对不同陆面方案...
采用WRF模式模拟一次影响中国广东省的飑线过程， 分别选取Morrison、 Thompson07、 Thompson09和WDM6云微物理方案实施了四组试验， 每组试验包括不同云凝结核（CCN）浓度的三次模拟， 称为 “低浓度”、 “中浓度” 和 “高浓度”， 将模拟区域划分为深对流、 浅对流和层云区域， 对比分析四组试验中CCN浓度变化对模拟的总降水量、 不同区域降水率和不同区域面积的影响， ...
Ignition from a Fire Perimeter in a WRF Wildland Fire Model
Ignition Fire Perimeter WRF Wildland Fire Model Atmospheric and Oceanic Physics
2011/8/4
Abstract: The current WRF-Fire model starts the fire from a given ignition point at a given time. We want to start the model from a given fire perimeter at a given time instead. However, the fuel bala...
Downslope windstorm in Iceland – WRF/MM5 model comparison
Downslope windstorm Iceland WRF/MM5 model
2011/1/19
A severe windstorm downstream of Mt. Öræfajökull in Southeast Iceland is simulated on a grid of 1 km horizontal resolution by using the PSU/NCAR MM5 model and the Advanced Research WRF...
Impact of model resolution on chemical ozone formation in Mexico City: application of the WRF-Chem model
model resolution chemical ozone formation Mexico City the WRF-Chem model
2010/10/11
The resolution of regional chemical/dynamical models has important effects on the calculation of the distributions of air pollutants in urban areas. In this study, the sensitivity of air pollutants an...
CAMS云微物理方案的改进及与WRF模式耦合的个例研究
CAMS 微物理方案 WRF 耦合
2012/4/1
本文在中国气象科学研究院(CAMS)双参数云微物理方案的基础上,增加气溶胶粒子的活化过程,改进原方案中的水汽混合比、云水混合比及云滴数浓度的预报方程,实现对各种水成物(包括云水)的混合比和数浓度的预报.此外,改进后的CAMS云方案被成功耦合到了WRF v3.1中尺度模式.本文利用耦合模式对2009年4月23~24日发生在我国北方地区的一次降水天气过程进行了模拟,将新方案的模拟结果与WRF自带的3个...
Technical Note: Evaluation of the WRF-Chem "Aerosol Chemical to Aerosol Optical Properties" Module using data from the MILAGRO campaign
the WRF-Chem "Aerosol Chemical to Aerosol Optical Properties" Module data the MILAGRO campaign
2010/8/16
A comparison between observed aerosol optical properties from the MILAGRO field campaign, which took place in the Mexico City Metropolitan Area (MCMA) during March 2006, and values simulated by the We...
Turbulence associated with mountain waves over Northern Scandinavia – a case study using the ESRAD VHF radar and the WRF mesoscale model
Turbulence mountain waves Northern Scandinavia the ESRAD VHF radar the WRF mesoscale model
2010/8/12
We use measurements by the 52 MHz wind-profiling radar ESRAD, situated near Kiruna in Arctic Sweden, and simulations using the Advanced Research and Weather Forecasting model, WRF, to study vertical w...
The impact of MM5 and WRF meteorology over complex terrain on CHIMERE model calculations
MM5 WRF meteorology CHIMERE model calculations
2009/9/14
The objective of this study is to evaluate the impact of meteorological input data on calculated gas and aerosol concentrations. We use two different meteorological models (MM5 and WRF) together with ...
Simulation of Mexico City plumes during the MIRAGE-Mex field campaign using the WRF-Chem model
Mexico City plumes MIRAGE-Mex field campaign WRF-Chem model
2009/7/22
The quantification of tropospheric O3 production in the downwind of the Mexico City plume is a major objective of the MIRAGE-Mex field campaign. We used a regional chemistry-transport model (WRF-Chem)...
Evaluation of WRF mesoscale simulations and particle trajectory analysis for the MILAGRO field campaign
WRF mesoscale simulations particle trajectory analysis MILAGRO field campaign
2009/7/15
Accurate numerical simulations of the complex wind flows in the Mexico City Metropolitan Area (MCMA) can be an invaluable tool for interpreting the MILAGRO field campaign results. This paper uses thre...