Global Distribution of Net Radiation according to a new formula
Global Distribution of Net Radiation according to a new formula
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根据新公式的全球净辐射分布
DOI：
10.1111/j.1467-8306.1970.tb00724.x
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发表时间：
1970
期刊：
影响因子：
--
通讯作者：
Jen
中科院分区：
文献类型：
--
作者：
Jen
根据太阳辐射、湿度和气温的记录，推导出了一个估算净辐射的新公式。该公式被认为是对以前使用云量代替太阳辐射的公式的改进。计算值与实际值之间的相关系数为0.97，估计的标准误差为2.57兰利/天。讨论了该公式的局限性，如使用反射系数标准值、用地面湿度代替总可降水量、排除二氧化碳等。该公式已应用于386个站点，用于绘制季节中四个月以及全年的世界地图。分布模式与Budyko绘制的世界地图略有不同。保留为净辐射的太阳辐射从热带的60%下降到高纬度的不到20%。
A new formula for estimating net radiation has been derived from records of solar radiation, humidity, and air temperature. The formula is believed to be an improvement over the previous ones which used cloudiness instead of solar radiation. The correlation coefficient between the computed and actual values is 0.97 and the standard error of estimate is 2.57 langleys/day. The limitations of the formula, such as the use of standard values of reflection coefficients, the use of surface humidity instead of total precipitable water, and the exclusion of carbon dioxide, are discussed. The formula has been applied to 386 stations for the construction of world maps for four mid-season months as well as for the year. The distributional pattern differs somewhat from the world maps prepared by Budyko. Solar radiation retained as net radiation decreases from sixty percent in the tropics to less than twenty percent in high latitudes.