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RISThe Arm Mobile Facility and Its First International Deployment: Measuring Radiative Flux Divergence in West Africa
Publisher: American Meteorological Society
Abstract: The Atmospheric Radiation Measurement (ARM) Mobile Facility (AMF) was recently developed to enable collection of detailed climate data in locations not currently sampled by ARM's five fixed sites. The AMF includes a ...
Surface-Based Observations of Mesoscale Cumulus–Stratocumulus Interaction during ASTEX
Publisher: American Meteorological Society
Abstract: Data obtained from the island of Santa Maria in the Azores, during the Atlantic Stratocumulus Transition Experiment (ASTEX) are used to describe cloud and boundary-layer structure for a 24-h period on 15 June 1992 over the ...
The Radiation Budget of the West African Sahel and Its Controls: A Perspective from Observations and Global Climate Models
Publisher: American Meteorological Society
Abstract: ontinuous measurements of the shortwave (SW), longwave (LW), and net cross-atmosphere radiation flux divergence over the West African Sahel were made during the year 2006 using the Atmospheric Radiation Measurement (ARM) ...
Design, Operation, and Calibration of a Shipboard Fast-Rotating Shadowband Spectral Radiometer
Publisher: American Meteorological Society
Abstract: This paper describes the design, calibration, and deployment of a fast-rotating shadowband radiometer (FRSR) that accurately decomposes downward shortwave (solar) irradiance into direct-beam and diffuse components from a ...
Differences between Nonprecipitating Tropical and Trade Wind Marine Shallow Cumuli
Publisher: American Meteorological Society
Abstract: arine nonprecipitating cumulus topped boundary layers (CTBLs) observed in a tropical and in a trade wind region are contrasted based on their cloud macrophysical, dynamical, and radiative structures. Data from the Atmospheric ...
The Accuracy of Marine Shadow-Band Sun Photometer Measurements of Aerosol Optical Thickness and Ångström Exponent
Publisher: American Meteorological Society
Abstract: An analytical uncertainty propagation model is used in conjunction with laboratory and field data to quantify the uncertainty in measurements of the direct-normal irradiance, aerosol optical thickness, and Ångström exponent ...
Diurnal Cloud and Thermodynamic Variations in the Stratocumulus Transition Regime: A Case Study Using In Situ and Remote Sensors
Publisher: American Meteorological Society
Abstract: Radiosonde, in situ, and surface-based remote sensor data from the Atlantic Stratocumulus Transition Experiment are used to study the diurnal cycle of cloud and thermodynamic structure. A cloud layer and decoupled subcloud ...
Turbulence and Radiation in Stratocumulus-Topped Marine Boundary Layers: A Case Study from VOCALS-REx
Publisher: American Meteorological Society
Abstract: bservations made during a 24-h period as part of the Variability of the American Monsoon Systems (VAMOS) Ocean?Cloud?Atmosphere?Land Study Regional Experiment (VOCALS-REx) are analyzed to study the radiation and turbulence ...
Thermodynamic and Radiative Structure of Stratocumulus-Topped Boundary Layers
Publisher: American Meteorological Society
Abstract: tratocumulus-topped boundary layers (STBLs) observed in three different regions are described in the context of their thermodynamic and radiative properties. The primary dataset consists of 131 soundings from the southeastern ...
The Atmospheric Radiation Measurement Program Cloud Profiling Radars: An Evaluation of Signal Processing and Sampling Strategies
Publisher: American Meteorological Society
Abstract: The U.S. Department of Energy (DOE) Atmospheric Radiation Measurements (ARM) program operates millimeter-wavelength cloud radars (MMCRs) in several specific locations within different climatological regimes. These vertically ...