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Downscaling regional climate model outputs for the Caribbean using a weather generatorNARA Subscribed
Locally relevant scenarios of daily weather variables that represent the best knowledge of the present climate and projections of future climate change are needed by planners and managers to inform management and adaptation to climate change decisions. Information of this kind for the future is only readily available for a few developed country regions of the world. For many less‐developed regions, it is often difficult to fin...
A regional climate model (RCM) at 25 km resolution, coupled to a simple urban land‐surface scheme has been used to assess the sensitivity of UK urban climates to large‐scale greenhouse gas (GHG) induced climate change, local forcing from urban land use, and anthropogenic heat flux (AHF) resulting from energy use in urban areas. GHG‐induced climate change is similar over both urban and rural land surfaces in the model, suggesti...
Downscaling heavy precipitation over the United Kingdom: a comparison of dynamical and statistical methods and their future scenariosNARA Subscribed
Six statistical and two dynamical downscaling models were compared with regard to their ability to downscale seven seasonal indices of heavy precipitation for two station networks in northwest and southeast England. The skill among the eight downscaling models was high for those indices and seasons that had greater spatial coherence. Generally, winter showed the highest downscaling skill and summer the lowest. The rainfall ind...
Interannual variability of European extreme winter rainfall and links with mean large‐scale circulationNARA Subscribed
December–February (DJF) extreme rainfall was analysed at 347 European stations for the period 1958–2000. Two indices of extreme rainfall were examined: the maximum number of consecutive dry days (CDD); and the number of days above the 1961–90 90th percentile of wet‐day amounts (R90N). A principal component analysis of CDD found six components that accounted for 52.4% of the total variance. Six components of DJF R90N were also...
Investigation of the links between atmospheric circulation patterns and rainfall is important for the understanding of climatic variability and for the development of empirical circulation‐based downscaling methods. Here, spatial and temporal variations in circulation‐rainfall relationships over the Iberian Peninsula during the period 1958–97 are explored using an automated circulation classification scheme and daily rainfall...
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