大地大气界面传输的GSVAT模型

大地大气界面传输的GSVAT模型

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Initial contribute: 2018-12-04

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岳天祥编著
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yue@lreis.ac.cn
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Application-focused categoriesNatural-perspectiveAtmospheric regions

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大地/大气界面传输的GSVAT模型

 

(1)冠层、地表辐射收支模型:

式中,RncRng分别为冠层和地表吸收的净辐射;Qt为到达冠层顶的太阳短波辐射;L¯为大气逆辐射;ac为冠层反射率;ag为地表反射率;egec分别为土壤和冠层植物体比辐射率;hshl分别为冠层短波辐射和长波辐射透过率;TcTg分别为冠层温度和地表温度;sBoltman常数。

(2)总的潜热LE、感热通量H模型:

式中,L为汽化潜热;r为空气密度;Cp为空气定压比热;eaTa分别为参考高度的水汽压和气温;e0T0分别为冠层源汇高度的水汽压和气温;ra为水汽、热量的传输阻力。

(3)非饱和-饱和土壤水热运动模型:

式中,Cy为土壤水容;y为土壤水势;Kw为土壤水分传导率;Su为作物根系吸水函数;Cm为土壤热容量。

 

参考文献

吴兴国,林忠辉,刘苏峡:用GSVAT模型研究大地/大气界面传输。生态学报,199919(6)

 

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《资源环境数学模型手册》 (2018). 大地大气界面传输的GSVAT模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/e014801f-5cca-4912-ab32-d175ca54576e
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History

Last modifier
Anxun Ren
Last modify time
2020-11-03
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Contributor(s)

Initial contribute : 2018-12-04

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Authorship

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

History

Last modifier
Anxun Ren
Last modify time
2020-11-03
Modify times

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