Journal of Applied Meteorology: Recent submissions
Now showing items 4041-4060 of 6019
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Derivation and Evaluation of Global 1-km Fractional Vegetation Cover Data for Land Modeling
(American Meteorological Society, 2000)Fractional vegetation cover (σ?) is needed in the modeling of the land?atmosphere exchanges of momentum, energy, water, and trace gases. From global 1-km, 10-day composite Advanced Very High Resolution Radiometer normalized ... -
Prediction of a Flash Flood in Complex Terrain. Part I: A Comparison of Rainfall Estimates from Radar, and Very Short Range Rainfall Simulations from a Dynamic Model and an Automated Algorithmic System
(American Meteorological Society, 2000)Operational prediction of flash floods caused by convective rainfall in mountainous areas requires accurate estimates or predictions of the rainfall distribution in space and time. The details of the spatial distribution ... -
Estimation of Surface Roughness Length and Displacement Height from Single-Level Sonic Anemometer Data
(American Meteorological Society, 2000)The problem of finding joint values of both the roughness length z0 and the displacement height d is discussed in the context of the Monin?Obukhov similarity law for the wind speed profile. When focused on single-level ... -
A Case Study in Atmospheric Lead Pollution of North German Coastal Regions
(American Meteorological Society, 2000)The seasonal differences of transport and deposition of atmospheric lead over the coastal zone of northern Germany are investigated. It is shown that marked differences can occur in the effect on the ecologically valuable ... -
Objective Determination of Cloud Heights and Radar Reflectivities Using a Combination of Active Remote Sensors at the ARM CART Sites
(American Meteorological Society, 2000)The U.S. Department of Energy?s Atmospheric Radiation Measurement (ARM) Program is deploying sensitive, millimeter-wave cloud radars at its Cloud and Radiation Test Bed (CART) sites in Oklahoma, Alaska, and the tropical ... -
Effect of Sea Breeze on Air Pollution in the Greater Athens Area. Part II: Analysis of Different Emission Scenarios
(American Meteorological Society, 2000)The Mediterranean Campaign of Photochemical Tracers?Transport and Chemical Evolution that took place in the greater Athens area from 20 August to 20 September 1994 has confirmed the role of sea-breeze circulation in ... -
Effect of Sea Breeze on Air Pollution in the Greater Athens Area. Part I: Numerical Simulations and Field Observations
(American Meteorological Society, 2000)Numerical simulations compared with field measurements are used to explain the effect of sea breezes on photochemical smog episodes in Athens during the Mediterranean Campaign of Photochemical Tracers on 12?14 September ... -
An Investigation of the Boundary Layer Dynamics of Sardinia Island under Sea-Breeze Conditions
(American Meteorological Society, 2000)A numerical mesoscale model is used to study the wind field and the boundary layer structure of the island of Sardinia during typical summer conditions. The numerical model is three-dimensional and employs a higher-order ... -
EDITORIAL
(American Meteorological Society, 2000) -
Ozone Cycles in the Western Mediterranean Basin: Interpretation of Monitoring Data in Complex Coastal Terrain
(American Meteorological Society, 2000)In summer, the complex layout of the coasts and mountains surrounding the western Mediterranean basin favors the development of mesoscale atmospheric recirculations and the formation of ozone reservoir layers above the ... -
Estimation of Meteorological Parameters for Air Quality Management: Coupling of Sodar Data with Simple Numerical Models
(American Meteorological Society, 2000)In this paper an attempt is made to couple sodar data and simple numerical models to calculate the wind field and the boundary layer parameters that are relevant to air quality monitoring and studies. For this purpose, a ... -
Evolution and Transport of Pollutants over a Mediterranean Coastal Area: The Influence of Biogenic Volatile Organic Compound Emissions on Ozone Concentrations
(American Meteorological Society, 2000)A computational simulation of a typical sea-breeze situation and the transport and evolution of photochemical pollutants on the Spanish east coast is performed, and the influence of biogenic volatile organic compound (BVOC) ... -
Transport of Tropospheric Ozone over the Bay of Biscay and the Eastern Cantabrian Coast of Spain
(American Meteorological Society, 2000)During the 1989 field campaigns of the European Commission?s Mesometeorological Cycles of Air Pollution in the Iberian Peninsula (MECAPIP) project (1988?91), airborne data were obtained under typical summer synoptic weather ... -
Numerical Simulations of Airflows and Tracer Transport in the Southwestern United States
(American Meteorological Society, 2000)Project MOHAVE (Measurement of Haze and Visual Effects) produced a unique set of tracer data over the southwestern United States. During the summer of 1992, a perfluorocarbon tracer gas was released from the Mohave Power ... -
Lagrangian Dispersion Model for Nonneutrally Buoyant Plumes
(American Meteorological Society, 2000)A capability to address positive and negative buoyancy was added to the Higher-Order Turbulence Model for Atmospheric Circulation?Random Puff Transport and Diffusion (HOTMAC?RAPTAD) modeling system. The modeling system was ... -
Emergency Response Transport Forecasting Using Historical Wind Field Pattern Matching
(American Meteorological Society, 2000)Historical pattern matching, or analog forecasting, is used to generate short-term mesoscale transport forecasts for emergency response at the Idaho National Engineering and Environmental Laboratory. A simple historical ... -
Classification of Meteorological Patterns Associated with the Ozone Categories in Kelowna, British Columbia
(American Meteorological Society, 2000)To develop a highly skillful, semiautomated means of forecasting periods of high ozone concentrations, it is critical to understand how ozone concentrations depend on weather patterns, especially in extreme cases. In this ... -
Nocturnal Wind Direction Shear and Its Potential Impact on Pollutant Transport
(American Meteorological Society, 2000)The potential effects of vertical wind direction shear on pollutant transport at a complicated, semiarid site are examined using tower measurements. This high-elevation site is situated on a sloping plateau between mountains ... -
Evaluation of Numerical Predictions of Boundary Layer Structure during the Lake Michigan Ozone Study
(American Meteorological Society, 2000)The performance of two types of turbulence closures is compared in a 3D numerical investigation of an episode with poor air quality. The first is the Blackadar boundary layer scheme, which has a nonlocal closure for unstable ... -
A Field-Coherence Technique for Meteorological Field-Program Design for Air Quality Studies. Part II: Evaluation in the San Joaquin Valley
(American Meteorological Society, 2000)In Part I of this paper, a field-coherence technique (FCT) was developed to provide objective guidance for cost-effective siting of meteorological observations on the mesoscale for air quality applications. The FCT is ...