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RISA Top-Down and Bottom-Up Diffusion Model of CT2 and CQ2 in the Entraining Convective Boundary Layer
Publisher: American Meteorological Society
Abstract: A model of scalar structure function parameters in the entraining, convective boundary layer is developed based on a top-down and bottom-up diffusion approach. The behavior of the structure function parameters is obtained ...
Wind Shear Enhancement of Entrainment and Refractive Index Structure Parameter at the Top of a Turbulent Mixed Layer
Publisher: American Meteorological Society
Abstract: A model for inversion layer turbulence properties of a cloud-free entraining mixed-layer with wind shear at the top is developed. Using the approach of Wyngaard and LeMone (1980), expressions for the average values of ? ...
The Humidity and Temperature Sensitivity of Clear-Air Radars in the Convective Boundary Layer
Publisher: American Meteorological Society
Abstract: A top-down/bottom-up diffusion Model is used to evaluate the relative contributions of humidity temperature, and their cross correlation to the radar refractive index structure function paramer Cn2 in the cloud-free, ...
Upward Momentum Transfer in the Marine Boundary Layer
Publisher: American Meteorological Society
Abstract: This paper focuses on the study of momentum flux between ocean and atmosphere in light winds and is based on the data collected during several field campaigns, the Atlantic Stratocumulus Transition Experiment, the Tropical ...
Dependence of the Monin–Obukhov Stability Parameter on the Bulk Richardson Number over the Ocean
Publisher: American Meteorological Society
Abstract: Recent measurements made onboard the R/P FLIP in the San Clemente Ocean Probing Experiment in September 1993 and onboard the R/V Moana Wave during Tropical Ocean Global Atmosphere Coupled Ocean?Atmosphere Response Experiment ...
Similarity Relationships in the Marine Atmospheric Surface Layer for Terms in the TKE and Scalar Variance Budgets
Publisher: American Meteorological Society
Abstract: Measurements of the momentum, heat, moisture, energy, and scalar variance fluxes are combined with dissipation estimates to investigate the behavior of marine surface layer turbulence. These measurements span a wide range ...
Modeling Wind Speed Dependence of Marine Aerosol Distribution by a Gamma Function
Publisher: American Meteorological Society
Abstract: Marine aerosol size distributions are fit to a gamma function using the technique of maximum likelihood. Aerosol measurements are separated into marine and continental components. The marine component is fit to the gamma ...
Mixed and Dynamic Response of Hot Wires and Cold Wires and Measurements of Turbulence Statistics
Publisher: American Meteorological Society
Abstract: Hot wires respond to temperature as well as to velocity, whereas cold wires respond to velocity as well as to temperature. The static and dynamic response characteristics are summarized and it is shown that the frequency ...
Ship Observations of the Tropical Pacific Ocean along the Coast of South America
Publisher: American Meteorological Society
Abstract: In October 2007 the NOAA ship Ronald H. Brown sailed southward within 300 km of the coast of Ecuador and Peru, sampling surface meteorology, air?sea turbulent and radiative fluxes, cloud properties, and upper-air soundings ...
Measurement of Stratus Cloud and Drizzle Parameters in ASTEX with a Kα-Band Doppler Radar and a Microwave Radiometer
Publisher: American Meteorological Society
Abstract: Data are used from a Kα-band radar and microwave radiometer along with a droplet model to determine the droplet parameters of drizzle and clouds. Drizzle droplet parameters are determined from the zeroth, first, and second ...