avaliação de dois tipos de evaporímetros na estimativa da demanda evaporativa do ar (et) no interior de casa-de-vegetação, em lavras - mg determination of evaporative demand of the air (et) under greenhouse conditions by using two types of evaporimeters, in lavras - mg

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ID: 146721
2003
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Abstract
No interior de uma casa-de-vegetação, em Lavras, MG, conduziu-se um experimento, objetivando-se avaliar a demanda evaporativa do ar (ET) estimada pelos métodos do tanque Classe A e do atmômetro modificado da Soilcontrol, modelo JR 120, com a estimada pelo método de Penman-Monteith. Pelos resultados verifica-se que os métodos do tanque Classe A e do atmômetro modificado obtiveram boa correlação com o método de Penman-Monteith para períodos diários, com valores de "r" de 0,94 e 0,97, respectivamente, e ainda que os dois tipos de evaporímetros apresentaram, em média, valores maiores de ET em relação ao método de Penman-Monteith.
An experiment was carried out under greenhouse conditions in Lavras, MG, aiming at evaluating the evaporative demand of the air (ET), estimated by of Class A pan and modified atmometer of Soilcontrol model JR 120 the methods, using the Penman-Monteith methodology. The results show that the methods of the Class A pan and the modified atmometer showed a good correlation with the method of Penman-Monteith for diary periods, showing "r" values of 0.94 and 0.97, respectively, and yet the two types of evaporimeters presented higher values of ET0 on the average when compared to Penman-Monteith method.
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evangelista2003cinciaavaliao Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Adão Wagner Pêgo Evangelista;Geraldo Magela Pereira
Journal information and software technology
Year 2003
DOI
10.1590/S1413-70542003000600020
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542003000600020
Keywords
water management greenhouseagriculture (general)

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