Caracterização da Velocidade e Direção do Vento em Mossoró/RN (Characterization of Wind Speed and Direction in Mossoró/RN)
DOI:
https://doi.org/10.26848/rbgf.v7.4.p746-754Keywords:
clima, anemômetro, estação automáticaAbstract
O vento é de grande importância para muitas atividades humanas, especialmente para as atividades agropecuárias. O objetivo desse trabalho foi caracterizar a velocidade e a direção predominante do vento para Mossoró/RN, no período de janeiro de 2000 a dezembro de 2012. Foram analisados dados da velocidade média do vento a 10 m e 2 m de altura e direção predominante do vento para o período de 24 horas. Os dados foram coletados por uma Estação Meteorológica Automática, localizada na UFERSA (Universidade Federal Rural do Semi-Árido), em Mossoró/RN. Os valores da velocidade média do vento tendem a aumentar no segundo semestre do ano, tendo uma queda nos seus valores no primeiro semestre. Os valores médios de velocidade do vento para o período estudado foram de 3,32 m s-1 para 10 m e de 2,30 m s-1 para 2 m de altura, já as velocidades máximas instantânea do período estudado foram de 13,04 m s-1 para 10 m e de 9,40 m s-1 para 2 m de altura. A direção predominante do vento ficou na maioria dos meses entre sudeste (SE) e leste (E).
ABSTRACT
The wind is of great importance to many human activities, especially for agricultural activities. The aim of this study was to characterize the speed and direction of the prevailing wind to Mossoró/RN, from January 2000 to December 2012. The datas from the average wind speed at 10 m and 2 m in height and the prevailing wind direction for the period of 24 hours. Data were collected by an Automatic Weather Station, located in UFERSA (Federal Rural University of the Semi - Arid), in Mossoró/RN. The values of average wind speed tend to increase in the second half of the year, with a fall in values in the first half. The average wind speed for the study period were 3.32 m s-1 to 10 m and 2.30 m s-1 to 2 m high, since the instantaneous speeds of the study period were 13.04 m s-1 to 10 m and 9.40 m s-1 to 2 m in height. The predominant wind direction was in most months between southeast (SE) and east (E).
Keywords: Climate, Anemometer, Automatic Station.
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Copyright (c) 2014 Giuliana Mairana de Morais, José Espínola Sobrinho, Wesley de Oliveira Santos, Danielly de Oliveira Costa, Saulo Tasso Araújo da Silva, Rudah Marques Maniçoba
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