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RISPlanetary Wave Activity in the Troposphere and Stratosphere during the Northern Hemisphere Winter
Publisher: American Meteorological Society
Abstract: This paper describes the correspondence of planetary wave activity between the troposphere and the stratosphere during the Northern Hemisphere winter from December 1981 to March 1982 using Elliassen?Palm E;P) flux diagnostics. ...
Effect of Size of Inhomogeneity on the Surface Wave Attenuation in Cementitious Media
Publisher: American Society of Civil Engineers
Abstract: The present study focuses on surface wave propagation in cementitious material with inhomogeneity. Thin, flakey inclusions were added in contents of up to 10% by volume and different sizes inside the matrix to realistically ...
Interannual Variability in Low Stratiform Cloud Amount over the Summertime North Pacific in Terms of Cloud Types
Publisher: American Meteorological Society
Abstract: AbstractUsing long-term (1958?2008) ship-based cloud observations and reanalysis data, interannual variability in the low stratiform cloud (LSC) amount of stratocumulus (Sc), stratus (St), and sky-obscuring fog (FOG) is ...
Global Monitoring of Large Concrete Structures Using Acoustic Emission and Ultrasonic Techniques: Case Study
Publisher: American Society of Civil Engineers
Abstract: Global monitoring of civil structures is a demanding challenge for engineers. Acoustic emission (AE) is one of the techniques that have the potential to inspect large volumes with transducers placed in strategic locations ...
Assessment of Construction Joint Effect in Full-Scale Concrete Beams by Acoustic Emission Activity
Publisher: American Society of Civil Engineers
Abstract: In the present paper the mechanical and acoustic emission (AE) behaviors of full-scale reinforced concrete beams are evaluated. One of the beams was constructed in two parts, which were assembled later in order to evaluate ...
Hydrodynamic Performance Produced by Nanotexturing in Submicrometer Clearance With Surface Roughness
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Surface texturing is a promising way to expand the hydrodynamic lubrication regime and thereby modify the tribological properties of sliding surfaces. Spiralgroove textures in particular have attracted much attention over ...
In Situ Meteorological Sounding Archives for Arctic Studies
Publisher: American Meteorological Society
Abstract: Two new databases containing Arctic in situ meteorological soundings have been constructed and are now available for distribution to interested researchers. The Historical Arctic Rawinsonde Archive is a comprehensive ...
Damage Evaluation for Concrete Bridge Deck by Means of Stress Wave Techniques
Publisher: American Society of Civil Engineers
Abstract: Different from postfailure maintenance in many perspectives, preventive maintenance of civil engineering structures is another highly crucial measure, not only for achieving efficient distribution of limited budget over ...
The Behavior of the Snow White Chilled-Mirror Hygrometer in Extremely Dry Conditions
Publisher: American Meteorological Society
Abstract: The Snow White hygrometer, made by Meteolabor AG, Switzerland, is a new chilled-mirror instrument using a thermoelectric Peltier cooler to measure atmospheric water vapor. Its performance under dry conditions is evaluated ...
Direct Observations of Atmospheric Boundary Layer Response to SST Variations Associated with Tropical Instability Waves over the Eastern Equatorial Pacific
Publisher: American Meteorological Society
Abstract: Tropical instability waves (TIWs), with a typical wavelength of 1000 km and period of 30 days, cause the equatorial front to meander and result in SST variations on the order of 1°?2°C. Vertical soundings of temperature, ...