Results 71 to 80 of about 4,370 (164)
Development and optimization of the IPM MM5 GPS slant path 4DVAR system
Meteorologische Zeitschrift, 2008 This article describes the development of tools for routine 4-dimensional variational data assimilation of Global Positioning System Slant Total Delay (STD) data in the framework of the MM5 system at the Institute of Physics and Meteorology of the ...
Florian Zus +5 more
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IDD and mesoscale model integrated system IDD y el sistema integrado del modelo de mesoescala
Meteorologica, 2011 As part of the group of research institutions and universities participating in the UNIDATA program, the Federal University of Pelotas (RS-Brazil) has implemented an automatic data acquisition with forecasting and synoptic analysis system. It is based on
Lia Martins Costa do Amaral +2 more
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Terrestrial, Atmospheric and Oceanic Sciences, 2006 A numerical simulation associated with Typhoon Dot (1990) was made using the fifth-generation Pennsylvania State University - National Center for Atmospheric Research Mososcale Model (MM5) initialized with data from the Tropical Cyclone Motion (TCM-90 ...
Guo-Ji Jian +2 more
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La Granja: Revista de Ciencias de la Vida, 2009 La siguiente investigación, describe dos tipos de estudios acerca del clima y tiempo del Ecuador, implementando los modelos numéricos MM5 (Mesoescale Model versión 5) y WRF (Weather Research Forecasting Model), mostrando sus características principales e
Enrique Palacios +2 more
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Scale-dependency of surface fluxes in an atmospheric mesoscale model: effect of spatial heterogeneity in atmospheric conditions [PDF]
Nonlinear Processes in Geophysics, 2008 We examined the nonlinear effect of spatial heterogeneity in atmospheric conditions on the simulation of surface fluxes in the mesoscale model, MM5 by testing their scale-invariance from a tower footprint to regional scales.
Jinkyu Hong, Joon Kim
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Zhejiang Daxue xuebao. Lixue ban, 2006 对MM5V3模式中16组组合区域气候模拟试验所得的结果，分区域以RBF神经网络进行集成，分析了网络结构参数的不同对集成结果的影响，最后对整个区域的温度场进行了集成.结果表明：选择合适的网络结构参数是至关重要的，神经网络的非线性集成结果均明显优于单个参数化方案和16个方案线性集成的预测结果，整个区域的温度场集成结果比MM5模拟更接近于实况场，均方根误差场也较原MM5方案明显减小.这些结果对于区域气候的集成预测以及进一步优化神经网络的性能有一定的参考意义.
GAOLing-hua(高领花) +2 more
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Sensitivity of MM5-Simulated Boundary Layer Characteristics to Turbulence Parameterizations
Journal of Applied Meteorology, 2005 Abstract The sensitivity of high-resolution mesoscale simulations to boundary layer turbulence parameterizations is investigated using the fifth-generation Pennsylvania State University–NCAR Mesoscale Model (MM5) and observations from two field campaigns. Three widely used turbulence parameterizations were selected for evaluation, two of
Shiyuan Zhong, Larry K. Berg
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Evaluation of WRF mesoscale simulations and particle trajectory analysis for the MILAGRO field campaign [PDF]
Atmospheric Chemistry and Physics, 2009 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.
B. de Foy +3 more
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Meteorologische Zeitschrift, 2010 Three different Land Surface Models have been used in three high resolution climate simulations performed with the mesoscale model MM5 over the Iberian Peninsula.
Sonia Jerez +5 more
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Shuitu Baochi Xuebao, 2005 结合中尺度大气模式MM5和Shao的风蚀起沙方案,对敦煌莫高窟顶灌木林带和草方格沙障的固沙效应进行数值模拟研究。结果表明:灌木林带的建立,使其地表风蚀起沙的临界摩擦速度(ut)达到1.15m/s,是林带建立前的4.1倍,地表的顺风向沙粒通量(Q)和垂直尘粒通量(F)均减小为0,完全抑制了地表风蚀起沙;草方格沙障的设置,使ut达到0.53m/s,为设置前的1.9倍,Q和F分别减少约3/5和7/8,固沙效果非常明显。一般情况下,ut不会大于1.0m/s,充分说明灌木林带比草方格具有更强的固沙效果 ...
汪万福 申彦波 王涛 沈志宝 杜明远
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