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RISThe West African Monsoon Dynamics. Part II: The “Preonset” and “Onset” of the Summer Monsoon
Publisher: American Meteorological Society
Abstract: The arrival of the summer monsoon over West Africa has been documented by using daily gridded rainfall data and NCEP?NCAR reanalyses during the period 1968?90, and OLR data over the period 1979?90. Two steps have been ...
The West African Monsoon Dynamics. Part I: Documentation of Intraseasonal Variability
Publisher: American Meteorological Society
Abstract: Intraseasonal variability in the West African monsoon is documented by using daily gridded datasets of rainfall and convection, and reanalyzed atmospheric fields, over the period 1968?90. Rainfall and convection over West ...
Characterization of the Diurnal Cycle of the West African Monsoon around the Monsoon Onset
Publisher: American Meteorological Society
Abstract: This study investigates the diurnal cycle of the West African monsoon and its seasonal modulation with particular focus on the monsoon onset period. A composite analysis around the monsoon onset date is applied to the ...
Weather-Index Drought Insurance in Burkina-Faso: Assessment of Its Potential Interest to Farmers
Publisher: American Meteorological Society
Abstract: By using a detailed agricultural and climate dataset over Burkina-Faso and simple assumptions regarding the form of an insurance contract, the authors investigate the potential economic efficiency for farmers of a weather-index ...
Medium Lead-Time Predictability of Intraseasonal Variability of Rainfall in West Africa
Publisher: American Meteorological Society
Abstract: The variability of the West African monsoon on the intraseasonal time scale is a major issue for agricultural strategy, as the occurrence of dry spells can strongly impact yields of rain-fed crops. This study investigates ...
Quantifying Differences in Circulation Patterns Based on Probabilistic Models: IPCC AR4 Multimodel Comparison for the North Atlantic
Publisher: American Meteorological Society
Abstract: The comparison of circulation patterns (CPs) obtained from reanalysis data to those from general circulation model (GCM) simulations is a frequent task for model validation, downscaling of GCM simulations, or other climate ...
Mapping Weather-Type Influence on Senegal Precipitation Based on a Spatial–Temporal Statistical Model
Publisher: American Meteorological Society
Abstract: enegal is particularly vulnerable to precipitation variability. To investigate the influence of large-scale circulation on local-scale precipitation, a full spatial?statistical description of precipitation occurrence and ...
Dynamics of the West African Monsoon. Part IV: Analysis of 25–90-Day Variability of Convection and the Role of the Indian Monsoon
Publisher: American Meteorological Society
Abstract: This paper is part of a series of studies addressing the dynamics of the West African summer monsoon at intraseasonal time scales between 10 and 90 days. The dominant mode of 25?90-day convective variability in the African ...
The Dynamics of the West African Monsoon. Part V: The Detection and Role of the Dominant Modes of Convectively Coupled Equatorial Rossby Waves
Publisher: American Meteorological Society
Abstract: This study is the last in a series of papers addressing the dynamics of the West African summer monsoon at intraseasonal time scales between 10 and 90 days. The signals of convectively coupled equatorial Rossby (ER) waves ...
Adaptability of Mediterranean Agricultural Systems to Climate Change: The Example of the Sierra Mágina Olive-Growing Region (Andalusia, Spain). Part II: The Future
Publisher: American Meteorological Society
Abstract: he adaptability of olive-growing systems to climate change is studied in the Sierra Mágina region (Andalusia) using an interdisciplinary approach that evaluates and makes associations across climate, water resources, and ...