北半球最热坡度的解析模式

北半球最热坡度的解析模式

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Geography SubjectPhysical GeographyClimatology
Earth System SubjectEarth Surface SystemAtmosphere

Detailed Description

北半球最热坡度的解析模式

 

(1)冬半年(d£0)

冬天北坡不存在最热坡度。坡度为a的南坡接受的天文辐射总量为:

式中,Io为太阳常数;Eo为地球轨道偏心率订正因子;t为日长;j为地理纬度;d为太阳赤纬;ws为南坡的日没时角;在冬半年,南半坡日没时角与水平面日没时角wo相同,且:

由最热坡度存在的必要条件:

(2)夏半年(d>0)

a<90°-j+d(也就是北坡只有一次日出、日没时)

式中,j01为水平天文日辐射总量出现最大值。  

 

参考文献

于强,傅抱璞,彭乃志等:辐射日总量的最热坡度解析模式及其全球分布规律。地理学报,1994,49(6)

 

How to cite

《资源环境数学模型手册》 (2018). 北半球最热坡度的解析模式, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/502316a1-31bf-4243-a547-4f563b0fe685
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Contributor

contributed at 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
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Is authorship not correct? Feed back

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