%0 Journal Article
%T An¨˘lisis de tendencias de heliofan¨Şa efectiva en Argentina
%A Grossi Gallegos
%A Hugo
%A Spreafichi
%A Mar¨Şa Isabel
%J Meteorologica
%D 2007
%I Scientific Electronic Library Online
%X results of the statistic analysis of time series of annual averages of hours of solar brightness registered in stations of argentina are presented; these values compensate the insufficiency of data of solar irradiation and allow studying tendencies related to the global climatic change. the measurement error was taken into account in a previous study of consistency, temporal analysis is made with the application of the test of mann-kendall and the obtained results are discussed. they appear some stations in which the annual averages of hours of solar brightness decrease significantly, grouping itself essentially in a zone located to the northeast of humid pampas and to the south of the mesopotamia.
%K sunshine hours
%K time series
%K trends
%K climatic change.
%U http://www.scielo.org.ar/scielo.php?script=sci_abstract&pid=S1850-468X2007000100001&lng=en&nrm=iso&tlng=en