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RISEffects of Twenty-First-Century Climate Change on the Amazon Rain Forest
Publisher: American Meteorological Society
Abstract: A regional atmospheric model with 60-km resolution is asynchronously coupled with a potential vegetation model to study the implications of twenty-first-century climate change for the tropical and subtropical climate and ...
Hydrodynamics of the Caribbean Low-Level Jet and Its Relationship to Precipitation
Publisher: American Meteorological Society
Abstract: The easterly Caribbean low-level jet (CLLJ) is a prominent climate feature over the Intra-America Seas, and it is associated with much of the water vapor transport from the tropical Atlantic into the Caribbean Basin. In ...
Tropical Storm Development from African Easterly Waves in the Eastern Atlantic: A Comparison of Two Successive Waves Using a Regional Model as Part of NASA AMMA 2006
Publisher: American Meteorological Society
Abstract: Two successive African easterly waves (AEWs) from August 2006 are analyzed utilizing observational data, the European Centre for Medium-Range Weather Forecasts reanalysis, and output from the National Center for Atmospheric ...
Vehicle Speed Profiles to Minimize Work and Fuel Consumption
Publisher: American Society of Civil Engineers
Abstract: This paper addresses the question of what speed profile will minimize fuel consumption of a land transport vehicle (road or rail) in traversing a path or route. Numerous previous studies, using a control theory approach ...
Mid-Twenty-First-Century Changes in Extreme Events over Northern and Tropical Africa
Publisher: American Meteorological Society
Abstract: hanges in rainfall and temperature extremes are predicted by many global climate models as a response to greenhouse gas increases, and such changes will have significant environmental and social impacts. A regional climate ...
Projected Changes in East African Rainy Seasons
Publisher: American Meteorological Society
Abstract: regional climate model with 90-km horizontal resolution on a large domain is used to predict and analyze precipitation changes over East Africa caused by greenhouse gas increases. A pair of six-member ensembles is used: ...
Reducing Boarding and Alighting Accident Rates on Mixed High and Low Platform Railroad Lines through Car and Station Design
Publisher: American Society of Civil Engineers
Abstract: Analysis of actual accident experience in the United States from 1995 to 2000 has revealed that railroad commuter services using a combination of high and low level platforms exhibit a higher injury rate in boarding and ...
Coupled Model Simulations of the West African Monsoon System: Twentieth- and Twenty-First-Century Simulations
Publisher: American Meteorological Society
Abstract: The ability of coupled GCMs to correctly simulate the climatology and a prominent mode of variability of the West African monsoon is evaluated, and the results are used to make informed decisions about which models may be ...
Detection and Analysis of an Amplified Warming of the Sahara Desert
Publisher: American Meteorological Society
Abstract: valuation of three reanalyses (ERA-Interim, NCEP-2, and MERRA) and two observational datasets [CRU and Global Historical Climatology Network (GHCN)] for 1979?2012 demonstrates that the surface temperature of the Sahara ...
Mechanisms by Which Gulf of Guinea and Eastern North Atlantic Sea Surface Temperature Anomalies Can Influence African Rainfall
Publisher: American Meteorological Society
Abstract: The sensitivity of precipitation over West Africa to sea surface temperature anomalies (SSTAs) in the Gulf of Guinea and the eastern North Atlantic is studied using a GCM. Results from nine perpetual July simulations with ...