Arctic cyclone activity is analyzed in 11 year (2000–2010), 3-hourly output from the Arctic System Reanalysis (ASR) interim version. Compared to the global modern era reanalyses (European Centre for Medium-Range Weather Forecasts Reanalysis (ERA)-Interim, Modern Era Retrospective Analysis for Research and Applications, and National Centers for Environmental Prediction-Climate Forecast System Re...

in this paper, synoptic patterns associated with maximum precipitation over the khorasan region, between 1985-2000 with the computation of some forcing functions are studied and classified into three types. type a: consists of the anticyclones that move from the scandinavian peninsula and central-europe in an east and south-east direction during cold seasons, with relatively high speed and cold...

Future global warming has a number of implications for fluvial geomorphology because of changes in such phenomena as rates of evapotranspiration, precipitation characteristics, plant distributions, plant stomatal closure, sea levels, glacier and permafrost melting, and human responses. Potential changes in rivers are outlined in this review in the context of changes in the intensity of rainfall...

The spatial-temporal dynamics of forest fires for last five years in latitudinal range 40-74 degrees of the northern latitude are analyzed with using the data of the radiometer AVHRR/NOAA. It was shown that forest fires are observed from May till September, basically during three summer months with a maximum of the activity during the second half of summer. On a phase of a maximum of an 11-year...

The aim of this work is to study the variability winter (monthly mean DJF) air temperatures in Saudi Arabia. coefficient variation (CV) temperature time series shows that CV a function latitude, decreasing generally gradually from north south. highest values during season are mainly because migrating extratropical cyclones (Mediterranean cyclones) west east, and active subtropical jet, as well ...