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RISObservations and Modeling of Heavy Particle Deposition in a Windbreak Flow
Publisher: American Meteorological Society
Abstract: This paper presents new observations of deposition of heavy particles (glass beads of gravitational settling velocity 8.7 cm s?1) within an undisturbed flow and within a flow disturbed by a porous windbreak fence. These ...
Ground-to-Air Gas Emission Rate Inferred from Measured Concentration Rise within a Disturbed Atmospheric Surface Layer
Publisher: American Meteorological Society
Abstract: In reference to previously observed concentrations of methane released from a source enclosed by a windbreak, this paper examines a refined ?inverse dispersion? approach for estimating the rate of emission Q from a small ...
Deducing Ground-to-Air Emissions from Observed Trace Gas Concentrations: A Field Trial with Wind Disturbance
Publisher: American Meteorological Society
Abstract: Inverse-dispersion techniques allow inference of a gas emission rate Q from measured air concentration. In ?ideal surface layer problems,? where Monin?Obukhov similarity theory (MOST) describes the winds transporting the ...
Biochemomechanics of Intraluminal Thrombus in Abdominal Aortic Aneurysms
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Most computational models of abdominal aortic aneurysms address either the hemodynamics within the lesion or the mechanics of the wall. More recently, however, some models have appropriately begun to account for the evolving ...
NCAR Auto-Nowcast System
Publisher: American Meteorological Society
Abstract: The Auto-Nowcast System (ANC), a software system that produces time- and space-specific, routine (every 5 min) short-term (0?1 h) nowcasts of storm location, is presented. A primary component of ANC is its ability to ...
Tropical Island Convection in the Absence of Significant Topography. Part I: Life Cycle of Diurnally Forced Convection
Publisher: American Meteorological Society
Abstract: Diurnally forced convection was observed over the Tiwi Islands, north of the Australian continent, as part of the Maritime Continent Thunderstorm Experiment. Immature peninsula-scale (5?15 km) sea breezes were observed to ...
The Use of Cumulative Monthly Mean Temperature Anomalies in the Analysis of Local Interannual Climate Variability
Publisher: American Meteorological Society
Abstract: The Edmonton monthly mean temperature record has been examined using the concept of the cumulative high frequency monthly mean temperature anomaly, I. The time sequence of I is shown to exhibit bounded, oscillatory, ...
Deducing Ground-to-Air Emissions from Observed Trace Gas Concentrations: A Field Trial
Publisher: American Meteorological Society
Abstract: The gas emission rate Q from an artificial 36-m2 surface area source was inferred from line-average concentration CL measured by an open-path laser situated up to 100 m downwind. Using a backward Lagrangian stochastic (bLS) ...
Validation of Backscatter Measurements from the Advanced Scatterometer on MetOp-A
Publisher: American Meteorological Society
Abstract: he Advanced Scatterometer (ASCAT) on the Meteorological Operational (MetOp) series of satellites is designed to provide data for the retrieval of ocean wind fields. Three transponders were used to give an absolute calibration ...
Nocturnal Elevated Convection Initiation of the PECAN 4 July Hailstorm
Publisher: American Meteorological Society
Abstract: AbstractDuring the Plains Elevated Convection at Night (PECAN) experiment, an isolated hailstorm developed on the western side of the PECAN study area on the night of 3?4 July 2015. One of the objectives of PECAN was to ...