Southern Hemisphere Seasonal Correlations (Classic Reprint)

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Excerpt from Southern Hemisphere Seasonal CorrelationsThe subject of synchronous compensation between the types of seasons at places situated in different parts of the Earth, and of the relation that exists between the sequence of weather at one place with the weather following at another place, even when the two localities are situated at a great distance from one another, is one that has of late years received increasing attention at the hands of meteorologists. Hildebrandsson, among a score of workers at this fascinating class of research, stands pre-eminent for his numerous contributions. In four papers on the Centres of Action of the Atmosphere, he has given a large number of examples of this species of weather correlation, most of which refer to places in the northern hemisphere, where we possess many of the long and homogeneous series of observations so necessary for this form of research. In his fourth and last memoir* Hildebrandsson has carried his investigations into the southern hemisphere, being hampered con siderably by the absence of data from regions where the southern centres of action are located. Having of late begun to collect data for South America with the object of preparing a general memoir on the climatology of that Continent, a considerable mass of material is already available for testing whether the South American weather sequences show as pronounced resemblances or contrasts when compared with data from other regions, as do those in the northern hemisphere. Cordoba in the Argentine Republic, it would appear, is the only station in South America with a long record situated in what may prove to be an action centre, most other places referring'to regions located in a transitional zone. While for the purposes of the present inquiry there is a lack of data from pronounced action centres, still many of the stations are so placed that they serve as an index of the pulsations taking place in the neighbouring foci of cyclonic and anti-cyclonic activity. As will be apparent later, some of the correlations obtained lend considerable support to the opinion expressed by other workers that the action centres of the globe are mutually associated, and that abnormal conditions in one hemisphere are inter-twined, not only with simul taneous but in many cases subsequent exceptional features in the other half of the earth.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.