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RISAtmospheric Circulation Trends, 1950–2000: The Relative Roles of Sea Surface Temperature Forcing and Direct Atmospheric Radiative Forcing
Publisher: American Meteorological Society
Abstract: The relative roles of direct atmospheric radiative forcing (due to observed changes in well-mixed greenhouse gases, tropospheric and stratospheric ozone, sulfate and volcanic aerosols, and solar output) and observed sea ...
Simulation of the 1976/77 Climate Transition over the North Pacific: Sensitivity to Tropical Forcing
Publisher: American Meteorological Society
Abstract: This study examines the contribution of tropical sea surface temperature (SST) forcing to the 1976/77 climate transition of the winter atmospheric circulation over the North Pacific using a combined observational and ...
Nitrification in Powdered‐Activated Carbon‐Activated Sludge Process
Publisher: American Society of Civil Engineers
Abstract: Powdered activated carbon (PAC) has been added to activated sludge processes over the past 10 years to improve process performance in a variety of ways, including ammonia removal. Improved ammonia removal is a surprising ...
Tropical Atlantic Influence on European Heat Waves
Publisher: American Meteorological Society
Abstract: Diagnostics combining atmospheric reanalysis and station-based temperature data for 1950?2003 indicate that European heat waves can be associated with the occurrence of two specific summertime atmospheric circulation ...
Forced and Internal Components of Winter Air Temperature Trends over North America during the past 50 Years: Mechanisms and Implications
Publisher: American Meteorological Society
Abstract: his study elucidates the physical mechanisms underlying internal and forced components of winter surface air temperature (SAT) trends over North America during the past 50 years (1963?2012) using a combined observational ...
Effects of Induced Vibrations on Early Age Concrete
Publisher: American Society of Civil Engineers
Abstract: The purpose of this investigation was to conduct a laboratory test program on how much induced vibrations on concrete during the period between initial set and final set affect the attainable strength of concrete. To achieve ...
A Haptic Assembly and Disassembly Simulation Environment and Associated Computational Load Optimization Techniques
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: There exist a large body of work in the field of assembly, sometimes involving the use of a virtual environment to assist the user in assembly analysis. Typically, these environments limit ...
Integral Bridge Abutment to Approach Slab Connection
Publisher: American Society of Civil Engineers
Abstract: This paper presents the findings of a performance investigation of two approach slabs (a cast-in-place slab and a precast panel slab) integrally connected to two parallel bridges. The goal of using the integral connection ...
Pacific Interdecadal Climate Variability: Linkages between the Tropics and the North Pacific during Boreal Winter since 1900
Publisher: American Meteorological Society
Abstract: This study examines the tropical linkages to interdecadal climate fluctuations over the North Pacific during boreal winter through a comprehensive and physically based analysis of a wide variety of observational datasets ...
Tropical Pacific and Atlantic Climate Variability in CCSM3
Publisher: American Meteorological Society
Abstract: Simulations of the El Niño?Southern Oscillation (ENSO) phenomenon and tropical Atlantic climate variability in the newest version of the Community Climate System Model [version 3 (CCSM3)] are examined in comparison with ...