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Where is the Interface of the Stratocumulus-Topped PBL?
Publisher: American Meteorological Society
Abstract: Various locally defined (not horizontal mean) interfaces between the stratocumulus-topped PBL and the free atmosphere are investigated using a fine-resolution large-eddy simulation with a vertical grid spacing of about 4 ...
A Mixed Scheme for Subgrid-Scale Fluxes in Cloud-Resolving Models
Publisher: American Meteorological Society
Abstract: A large-domain large-eddy simulation of a tropical deep convection system is used as a benchmark to derive and test a mixed subgrid-scale (SGS) scheme for scalar and momentum fluxes in cloud-resolving models (CRMs). The ...
An Objective Method for Deriving Atmospheric Structure from Airborne Lidar Observations
Publisher: American Meteorological Society
Abstract: Wavelet analysis is applied to airborne infrared lidar data to obtain an objective determination of boundaries in aerosol backscatter that are associated with boundary layer structure. This technique allows high-resolution ...
Investigating 2D Modeling of Atmospheric Convection in the PBL
Publisher: American Meteorological Society
Abstract: The performance of a two-dimensional (2D) numerical model in representing three-dimensional (3D) planetary boundary layer (PBL) convection is investigated by comparing the 2D model solution to that of a 3D large- eddy ...
HATS: Field Observations to Obtain Spatially Filtered Turbulence Fields from Crosswind Arrays of Sonic Anemometers in the Atmospheric Surface Layer
Publisher: American Meteorological Society
Abstract: The Horizontal Array Turbulence Study (HATS) field program utilized horizontal, crosswind arrays of sonic anemometers to calculate estimates of spatially filtered and subfilter-scale (SFS) turbulence, corresponding to its ...