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RISThe Influence of Large-Scale Eddy Flux Variability on the Zonal Mean Ozone Distribution
Publisher: American Meteorological Society
Abstract: The influence of the variability of large-scale eddy heat and momentum fluxes on interannual and decadal changes in the zonal mean ozone distribution is investigated based on a two-dimensional circulation model with ...
Probabilistic Estimation and Allocation of Project Time Contingency
Publisher: American Society of Civil Engineers
Abstract: Project managers implement the concept of time contingency to consider uncertainty in duration estimates and prevent project completion delays. Some project managers also build a distribution of the project time contingency ...
Closure to “Probabilistic Estimation and Allocation of Project Time Contingency” by Gabriel A. Barraza
Publisher: American Society of Civil Engineers
The Termination of the 1997–98 El Niño. Part II: Mechanisms of Atmospheric Change
Publisher: American Meteorological Society
Abstract: The mechanisms that drove zonal wind stress (τx) changes in the near-equatorial Pacific at the end of the extreme 1997?98 El Niño event are explored using a global atmospheric general circulation model. The analysis focuses ...
North Atlantic Power Dissipation Index (PDI) and Accumulated Cyclone Energy (ACE): Statistical Modeling and Sensitivity to Sea Surface Temperature Changes
Publisher: American Meteorological Society
Abstract: his study focuses on the statistical modeling of the power dissipation index (PDI) and accumulated cyclone energy (ACE) for the North Atlantic basin over the period 1949?2008, which are metrics routinely used to assess ...
Projected Increases in North Atlantic Tropical Cyclone Intensity from CMIP5 Models
Publisher: American Meteorological Society
Abstract: ropical cyclones?particularly intense ones?are a hazard to life and property, so an assessment of the changes in North Atlantic tropical cyclone intensity has important socioeconomic implications. In this study, the authors ...
Multiseason Lead Forecast of the North Atlantic Power Dissipation Index (PDI) and Accumulated Cyclone Energy (ACE)
Publisher: American Meteorological Society
Abstract: y considering the intensity, duration, and frequency of tropical cyclones, the power dissipation index (PDI) and accumulated cyclone energy (ACE) are concise metrics routinely used to assess tropical storm activity. This ...
Contribution of Tropical Cyclones to Rainfall at the Global Scale
Publisher: American Meteorological Society
Abstract: AbstractThis study quantifies the relative contribution of tropical cyclones (TCs) to annual, seasonal, and extreme rainfall and examines the connection between El Niño?Southern Oscillation (ENSO) and the occurrence of ...
On Estimates of Historical North Atlantic Tropical Cyclone Activity
Publisher: American Meteorological Society
Abstract: In this study, an estimate of the expected number of Atlantic tropical cyclones (TCs) that were missed by the observing system in the presatellite era (between 1878 and 1965) is developed. The significance of trends in ...
Cost Contingency Management
Publisher: American Society of Civil Engineers
Abstract: In the practice of project management, cost contingencies have the objective of covering probable cost increases (risks) above target estimates. Due to the variable performance nature for a wide range of activities, ...