Comparación de la temperatura, precipitación, velocidad media y dirección del viento medidas por dos estaciones meteorológicas, ubicadas en Punta de Piedras, isla de Margarita

TitleComparación de la temperatura, precipitación, velocidad media y dirección del viento medidas por dos estaciones meteorológicas, ubicadas en Punta de Piedras, isla de Margarita
Publication TypeJournal Article
Year of Publication2017
AuthorsMedina L, Varela R, Vasquez F
JournalMemoria de la Fundación La Salle de Ciencias Naturales
Volume74
Issue181-182
Start Page61-80
Abstract

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In this work, measurements taken with a classic and an automatic meteorological station in a same locality during the period of 2006–2008 were compared, in order to determine whether there are significant differences between the two and try to establish a criterion to validate the continuity of the data. Significant differences in the daily data were found in all variables studied, except precipitation. On the other hand, average wind speed monthly measurement for both stations did not show significant statistical differences. This, together with the higher values of the consistency coefficient could validate the use of these set of data for the construction of unique time series for the average wind speed. The differences found it in the meteorological variables could be due to bias caused by the different technologies for sensors, longevity of equipment, lack of maintenance, or the location of the stations (different substrates, on land or water). In addition, constant exposure of these instruments to moisture, corrosion, and solar radiation can decrease their accuracy. Using the consistency coefficient to validate the homogeneity of data depends on each variable and is a good tool used in conjunction with other statistical analysis.

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