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Modelagem estatística para a estimativa mensal de horas e unidades de frio em regiões de planalto do Rio Grande do Sul e Santa Catarina

Authors: Minuzzi,Rosandro Boligon;

Modelagem estatística para a estimativa mensal de horas e unidades de frio em regiões de planalto do Rio Grande do Sul e Santa Catarina

Abstract

RESUMO O objetivo deste estudo foi obter e avaliar modelos para a estimativa mensal de horas- unidades de frio, com base em dados de temperatura do ar, nas regiões de planalto do Rio Grande do Sul e de Santa Catarina. Dados horários de temperatura do ar foram usados, no período de maio a agosto de 2012 a 2017, de sete estações meteorológicas. Para cada mês, foram calculadas as horas-unidades de frio pelos métodos de Utah e da soma de temperaturas horárias iguais ou inferiores a 7,2 °C, que foram correlacionados com a temperatura mínima e média mensal, com o uso da análise de regressão. Seis métodos estatísticos foram usados para avaliar a estimativa mensal de horas-unidades de frio, obtidas pelos modelos previamente escolhidos. A temperatura mínima e a média mensal explicaram entre 65 e 96% das horas de frio, pelo limiar de temperatura ≤ 7,2 °C, e as unidades de frio pelo método de Utah. A temperatura mínima e a média mensal do ar são recomendadas para a estimativa das horas de frio e das unidades de frio, respectivamente. A variabilidade climática do inverno na região em estudo resulta em desempenhos distintos dos modelos de estimativas de horas- unidades de frio.

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Keywords

Utah method, fruticulture, superação da dormência, fruticultura, método de Utah, Agriculture (General), breaking dormancy, TP248.13-248.65, S1-972, Biotechnology

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
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