Maximum-Minimum Temperatures as a Basis for Evaluating Thermoperiodic RESPONSE1
Maximum-Minimum Temperatures as a Basis for Evaluating Thermoperiodic RESPONSE1
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DOI：
10.1175/1520-0493(1967)095
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发表时间：
1967-08
影响因子：
3.2
通讯作者：
R. Neild
中科院分区：
文献类型：
--
作者：
R. Neild
翻译后摘要由于每小时的温度通常不记录在许多地方，一个程序进行测试，涉及使用每日最高-最低温度估计每天超过一定的温度阈值的小时数。该程序假设日温度曲线可以近似为三角形。每天高于基准温度B的小时数X估计为：X=[24（Max-B）]/[Max-Min]对来自五个不同地点的数据的相关回归分析表明，实际小时数与估计小时数之间存在密切关系。结果表明，简单的计算，只涉及每日最高-最低温度可用于评估热周期性反应时，温度暴露的变化，每天小于2.5小时是不重要的。
Abstract Since hourly temperatures are not commonly recorded at many locations, a procedure is tested involving the use of daily maximum-minimum temperatures in estimating the number of hours per day above certain temperature thresholds. The procedure assumes that the daily temperature curve may be approximated by a triangle. The number of hours per day, X, above base temperature, b, is estimated as: X=[24(Max-b)]/[Max-Min] Correlation-regression analyses of data from five diverse locations show close relationship between actual and estimated hours. Results indicate that simple computations involving only daily maximum-minimum temperatures may be used for evaluating thermoperiodic response when variations in temperature exposure of less than 2.5 hours per day are not critical.