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Origin and Evolution of Synoptic-Scale Vortices Initiated at Low Level Downwind of the Hoggar Mountains
Publisher: American Meteorological Society
Analysis of Diurnal, Interdiurnal and Interannual Variations during Northern Hemisphere Summers Using METEOSAT Infrared Channels
Publisher: American Meteorological Society
Abstract: Using METEOSAT data in the ISCCP B2 format, we study the mean radiation fields and their fluctuations during Northern Hemisphere summer (June, July, August) of 1983, 1984 and 1985, for regions of 5°?5° located from 50°N ...
Convection over Tropical Africa and the Atlantic Ocean during Northern Summer. Part I: Interannual and Diurnal Variations
Publisher: American Meteorological Society
Abstract: Some aspects of the interannual and the diurnal variations of the convection over the tropical Africa and the Atlantic Ocean are derived using Meteosat data. The study is based on four summer months (June, July, August and ...
Convection over Tropical Africa and the Atlantic Ocean during Northern Summer. Part II: Modulation by Easterly Waves
Publisher: American Meteorological Society
Abstract: Using Meteosat data and European Centre for Medium-range Weather Forecast (ECMWF) analyses, we examine easterly waves and their relation with the cloudiness over West Africa and the tropical Atlantic Ocean for three summers ...
Initiation and Intensification of Tropical Depressions over the Southern Indian Ocean: Influence of the MJO
Publisher: American Meteorological Society
Abstract: sing ERA-Interim global atmospheric reanalysis, an original tracking approach is developed to follow tropical low pressure systems from the early tropical depression (TD) stage up to possible intensification into developed ...
On Vortices Initiated over West Africa and Their Impact on North Atlantic Tropical Cyclones
Publisher: American Meteorological Society
Experimental Study on the Shear Behavior of UHPC-Strengthened Concrete T-Beams
Publisher: ASCE
Abstract: Ultrahigh-performance concrete (UHPC) strengthening is an efficient technique to improve the capacity of shear-deficient members. However, the applicability of UHPC strengthening on a T-beam has been scarcely investigated, ...
Analytical Model for Calculating Shear Capacity of NSC Beams Strengthened by UHPC Lateral Layers
Publisher: ASCE
Abstract: The utilization of ultrahigh-performance concrete (UHPC) as lateral or U-shaped thin layers to strengthen the shear-deficient normal-strength concrete (NSC) beams is an effective and promising way to increase their stiffness ...
Synoptic Wave Perturbations and Convective Systems over Equatorial Africa
Publisher: American Meteorological Society
Abstract: Spectral analysis of the outgoing longwave radiation (OLR) time series over equatorial Africa reveals large oscillations of the convection with periods of between 3 and 6 days. In March and April, when the intertropical ...
Discretely Deformable Surface Based on Mechanical Interpolation: Application to the Design of a Dynamically Reconfigurable Theater Stage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the development of an active discretely deformable surface that makes use of mechanical interpolation in order to limit the number of required actuators. First, a planar ...
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