Sentences with phrase «time seasonal rainfall»
The team used real - time seasonal rainfall, temperature and El Niño forecasts, issued at the start of the year, combined with data from active surveillance studies, in a probabilistic model of dengue epidemics to produce robust dengue risk estimates for the entire year.
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They tested four hypotheses that might explain the maintenance of these three distinct giraffe species: isolation - by - distance, physical barriers to dispersal, general habitat differences resulting in habitat segregation, or regional differences in the seasonal timing of rainfall.
Changes in land surface properties as the wet season progresses impact surface fluxes and boundary layer evolution on daily and seasonal time scales that feed back to cloud and rainfall generation.
Lead author Dr Debbie Polson, of the University of Edinburgh's School of GeoSciences, said: «This study shows for the first time that the drying of the monsoon over the past 50 years can not be explained by natural climate variability and that human activity has played a significant role in altering the seasonal monsoon rainfall on which billions of people depend.»