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RISRepresentation of Subgrid-Scale Orographic Effects in a General Circulation Model. Part I: Impact on the Dynamics of Simulated January Climate
Publisher: American Meteorological Society
Abstract: Effects of subgrid-scale orography are represented in most large-scale models of the atmosphere by means of parameterizing subgrid-scale orographic gravity wave drag and/or enhancing grid-scale orography, such as ?envelope ...
Improvement of Orographic Gravity Wave Parameterization Using a Mesoscale Gravity Wave Model
Publisher: American Meteorological Society
Abstract: Parameterization of gravity waves due to subgrid-scale orography is now included in most existing large-scale models of the atmosphere. Parameterization schemes, however, have so far been evaluated mainly in view of the ...
Interaction between the MJO and Polar Circulations
Publisher: American Meteorological Society
Abstract: tropical?polar connection and its seasonal dependence are examined using the real-time multivariate Madden?Julian oscillation (MJO) (RMM) index and daily indices for the annular modes, the Arctic Oscillation (AO) and the ...
Hindcasting the January 2009 Arctic Sudden Stratospheric Warming and Its Influence on the Arctic Oscillation with Unified Parameterization of Orographic Drag in NOGAPS. Part I: Extended-Range Stand-Alone Forecast
Publisher: American Meteorological Society
Abstract: A very strong Arctic major sudden stratospheric warming (SSW) event occurred in late January 2009. The stratospheric temperature climbed abruptly and the zonal winds reversed direction, completely splitting the polar ...
Heading Estimation Based on Magnetic Markers for Intelligent Vehicles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a new realtime heading estimation method for an allwheel steered singlearticulated autonomous vehicle guided by a magnetic marker system. To achieve good guidance control for the vehicle, precise ...
Performance Investigation of the Hybrid Renewable Energy System With Geothermal and Solar Heat Sources for a Residential Building in South Korea
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study investigates annual performance of the hybrid energy system with geothermal and solar heat sources for hot water, heating and cooling of a residential house in South Korea. A smallscale hybridrenewable energy ...
Use of Artificial Neural Networks in the Prediction of Liquefaction Resistance of Sands
Publisher: American Society of Civil Engineers
Abstract: A backpropagation artificial neural network (ANN) model has been developed to predict the liquefaction cyclic resistance ratio (CRR) of sands using data from several laboratory studies involving undrained cyclic triaxial ...
Corrections for the Effects of Particle Trajectory and Beam Intensity Profile on the Size Spectra of Atmospheric Aerosols Measured with a Forward Scattering Spectrometer Probe
Publisher: American Meteorological Society
Abstract: Distortion of the size spectra measured with a forward mattering spectrometer probe (FSSP) under different transit time modes??inhibit?, ?normal?, and ?delayed??was evaluated using the theoretical analyses by Baumgardner ...
Hindcasting the January 2009 Arctic Sudden Stratospheric Warming with Unified Parameterization of Orographic Drag in NOGAPS. Part II: Short-Range Data-Assimilated Forecast and the Impacts of Calibrated Radiance Bias Correction
Publisher: American Meteorological Society
Abstract: his study is Part II of the effort to improve the forecasting of sudden stratospheric warming (SSW) events by using a version of the Navy Operational Global Atmospheric Prediction System (NOGAPS) that covers the full ...
Numerical Experiments of an Advanced Radiative Transfer Model in the U.S. Navy Operational Global Atmospheric Prediction System
Publisher: American Meteorological Society
Abstract: high-order accurate radiative transfer (RT) model developed by Fu and Liou has been implemented into the Navy Operational Global Atmospheric Prediction System (NOGAPS) to improve the energy budget and forecast skill. The ...