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RISVertical Variations of Mixing Lengths under Neutral and Stable Conditions during CASES-99
Publisher: American Meteorological Society
Abstract: n investigation on vertical variations of the mixing lengths for momentum and heat under neutral and stable conditions was conducted using the data collected from the Cooperative Atmosphere?Surface Exchange Study in 1999 ...
Incorporating the Work Done by Vertical Density Fluxes in Both Kinetic and Thermal Energy Conservation Equations to Satisfy Total Energy Conservation
Publisher: American Meteorological Society
Abstract: Conservation of total, kinetic, and thermal energy in the atmosphere is revisited, and the derived thermal energy balance is examined with observations. Total energy conservation (TEC) provides a constraint for the sum of ...
Determination of Surface Fluxes from the Surface Radiative Temperature
Publisher: American Meteorological Society
Abstract: This study examines the bulk aerodynamic method for estimating surface fluxes of heat and moisture using the surface radiative temperature. The surface rediative temperature is often the only available surface temperature ...
Spatial Distribution of Surface Fluxes Estimated from Remotely Sensed Variables
Publisher: American Meteorological Society
Abstract: This study relates surface fluxes to remotely sensed variables over well-defined variations of surface wetness and vegetation. The surface fluxes are estimated from repeated Twin Otter aircraft flights at 33 m above the ...
Generalized Hydraulic Solutions Pertaining to Severe Downslope Winds
Publisher: American Meteorological Society
Abstract: Nonlinear steady-state solutions for stratified two-layer flow over a ridge are found. In parameter space, these solutions lie between the interfacial case of Long and the constant stratification case of Smith. The solutions ...
Air–Sea Interactions in Light of New Understanding of Air–Land Interactions
Publisher: American Meteorological Society
Abstract: ir?sea interactions are investigated using the data from the Coupled Boundary Layers Air?Sea Transfer experiment under low wind (CBLAST-Low) and the Surface Wave Dynamics Experiment (SWADE) over sea and compared with ...
The Subgrid Velocity Scale in the Bulk Aerodynamic Relationship for Spatially Averaged Scalar Fluxes
Publisher: American Meteorological Society
Abstract: The exchange coefficients for area-averaged surface fluxes can become anomalously large when the large-scale flow is weak and significant fluxes of heat and moisture are driven by mesoscale motions within the averaging or ...
Estimation of Surface Heat Flux
Publisher: American Meteorological Society
Abstract: The authors reconsider the problem of estimating the sensible heat transfer at the earth's surface from direct measurements of turbulent fluxes in the atmospheric boundary layer. For simplicity, only horizontally homogeneous ...
Investigation of Hydrostatic Imbalance with Field Observations
Publisher: American Meteorological Society
Wind and Temperature Oscillations Generated by Wave–Turbulence Interactions in the Stably Stratified Boundary Layer
Publisher: American Meteorological Society
Abstract: he authors investigate atmospheric internal gravity waves (IGWs): their generation and induction of global intermittent turbulence in the nocturnal stable atmospheric boundary layer based on the new concept of turbulence ...