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RISA Simple, Efficient Solution of Flux–Profile Relationships in the Atmospheric Surface Layer
Publisher: American Meteorological Society
Abstract: This note describes a simple scheme for analytical estimation of the surface-layer similarity functions from state variables. What distinguishes this note from the many previous papers on this topic is that this method is ...
A Combined Local and Nonlocal Closure Model for the Atmospheric Boundary Layer. Part II: Application and Evaluation in a Mesoscale Meteorological Model
Publisher: American Meteorological Society
Abstract: A new combined local and nonlocal closure atmospheric boundary layer model called the Asymmetric Convective Model, version 2, (ACM2) was described and tested in one-dimensional form and was compared with large-eddy simulations ...
A Combined Local and Nonlocal Closure Model for the Atmospheric Boundary Layer. Part I: Model Description and Testing
Publisher: American Meteorological Society
Abstract: The modeling of the atmospheric boundary layer during convective conditions has long been a major source of uncertainty in the numerical modeling of meteorological conditions and air quality. Much of the difficulty stems ...
An Indirect Data Assimilation Scheme for Deep Soil Temperature in the Pleim–Xiu Land Surface Model
Publisher: American Meteorological Society
Abstract: The Pleim?Xiu land surface model (PX LSM) has been improved by the addition of a second indirect data assimilation scheme. The first, which was described previously, is a technique in which soil moisture is nudged according ...
Development of a Land Surface Model. Part I: Application in a Mesoscale Meteorological Model
Publisher: American Meteorological Society
Abstract: Parameterization of land surface processes and consideration of surface inhomogeneities are very important to mesoscale meteorological modeling applications, especially those that provide information for air quality modeling. ...
Development and Testing of a Surface Flux and Planetary Boundary Layer Model for Application in Mesoscale Models
Publisher: American Meteorological Society
Abstract: Although the development of soil, vegetation, and atmosphere interaction models has been driven primarily by the need for accurate simulations of long-term energy and moisture budgets in global climate models, the importance ...
Development of a Land Surface Model. Part II: Data Assimilation
Publisher: American Meteorological Society
Abstract: Part I described a land surface model, its implementation in the fifth-generation Pennsylvania State University?National Center for Atmospheric Research Mesoscale Model (MM5), and some model evaluation results. Part II ...
Performance Assessment of New Land Surface and Planetary Boundary Layer Physics in the WRF-ARW
Publisher: American Meteorological Society
Abstract: The Pleim?Xiu land surface model, Pleim surface layer scheme, and Asymmetric Convective Model (version 2) are now options in version 3.0 of the Weather Research and Forecasting model (WRF) Advanced Research WRF (ARW) core. ...
Evaluation of Planetary Boundary Layer Scheme Sensitivities for the Purpose of Parameter Estimation
Publisher: American Meteorological Society
Abstract: Meteorological model errors caused by imperfect parameterizations generally cannot be overcome simply by optimizing initial and boundary conditions. However, advanced data assimilation methods are capable of extracting ...
Simulation of Atmospheric Boundary Layer Processes Using Local- and Nonlocal-Closure Schemes
Publisher: American Meteorological Society
Abstract: A soil?vegetation?atmospheric boundary layer model was developed to study the performance of two local-closure and two nonlocal-closure boundary layer mixing schemes for use in meteorological and air quality simulation ...