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RISOn the Uncertainty of Wind Power Predictions—Analysis of the Forecast Accuracy and Statistical Distribution of Errors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work the uncertainty of wind power predictions is investigated with a special focus on the important role of the nonlinear power curve. Based on numerical predictions and measured data ...
Sea Ice Concentration Analyses for the Baltic Sea and Their Impact on Numerical Weather Prediction
Publisher: American Meteorological Society
Abstract: Sea ice concentration plays a fundamental role in the exchange of water and energy between the ocean and the atmosphere. Global real-time datasets of sea ice concentration are based on satellite observations, which do not ...
Implicit Sampling for Path Integral Control, Monte Carlo Localization, and SLAM
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Implicit sampling is a recently developed variationally enhanced sampling method that guides its samples to regions of high probability, so that each sample carries information. Implicit sampling may thus improve the ...
Problems with the Mean Sea Level Pressure Field over the Western United States
Publisher: American Meteorological Society
Abstract: Reduction of station pressure to mean sea level (MSL) is a difficult procedure. In general, the temperature structure of the fictitious air column between station height and MSL is not known and has to be estimated somehow. ...
Comments on “Modeling of Convective–Stratiform Precipitation Processes: Sensitivity to Partitioning Methods”
Publisher: American Meteorological Society
A New Relationship between Mean Doppler Velocity and Differential Reflectivity
Publisher: American Meteorological Society
Abstract: A new relationship has been established linking the vertical mean Doppler velocity of raindrop spectra and the accompanying differential reflectivities. It is based upon the specific radar combination of a vertically ...
A Self-Contained Identification Scheme for Eddies in Drifter and Float Trajectories
Publisher: American Meteorological Society
Abstract: It is becoming increasingly recognized that the eddy field plays an important?possibly dominating?role for oceanic motions in many aspects (e.g., transport of properties and risk assessment in the case of extreme events). ...
“I-Spots” and Emmons’ Spot Production Rate
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new intermittency function flagging the turbulent, becalmed, and non-becalmed regions of transitional flow is introduced. In addition, a method is developed to detect embedded incipient turbulent spots within the ...
Energy–Vorticity Theory of Ideal Fluid Mechanics
Publisher: American Meteorological Society
Abstract: Nambu field theory, originated by Névir and Blender for incompressible flows, is generalized to establish a unified energy?vorticity theory of ideal fluid mechanics. Using this approach, the degeneracy of the corresponding ...
Mechanisms of Banner Cloud Formation
Publisher: American Meteorological Society
Abstract: anner clouds are clouds in the lee of steep mountains or sharp ridges. Their formation has previously been hypothesized as due to three different mechanisms: (i) vertical uplift in a lee vortex (which has a horizontal ...