Discharge variability in Romania using Palmer indices and a simple atmospheric index of large-scale circulation

Variability of large-scale atmospheric circulation indices for the northern hemisphere during the past 100 years

We present an analysis of the large-scale atmospheric circulation variability since 1900 based on various circulation indices. They represent the main features of the zonal mean circulation in the northern hemisphere in boreal winter (such as the Hadley circulation, the subtropical jet, and the polar vortex in the lower stratosphere) as well as aspects of the regional and large-scale circulatio...

Periodic variability in the large-scale Southern Hemisphere atmospheric circulation.

Periodic behavior in the climate system has important implications not only for weather prediction but also for understanding and interpreting the physical processes that drive climate variability. Here we demonstrate that the large-scale Southern Hemisphere atmospheric circulation exhibits marked periodicity on time scales of approximately 20 to 30 days. The periodicity is tied to the Southern...

Large-scale atmospheric circulation patterns associated with the occurrence of severe storms Zab basin

Study of the models of large-scale atmospheric circulation system model on intesify rainfall in Ardebil plain

Atmospheric circulation is important to determine the surface climate and environment, and affect regional climate and surface features. In this study, to quantify its effect, the classification system, developed by Lamb is applied to obtain circulation information for Ardabil, North West Province in Iran, on a daily basis, and is a method to classify synoptic weather for study area. For that p...

large-scale atmospheric circulation patterns associated with the occurrence of severe storms zab basin

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