旱作地膜带田的集水调水效应水分平衡模式

旱作地膜带田的集水调水效应水分平衡模式

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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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Method-focused categoriesData-perspectiveIntelligent computation analysis
Method-focused categoriesProcess-perspectivePhysical process calculation
Method-focused categoriesProcess-perspectiveHuman-activity calculation

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旱作地膜带田的集水调水效应水分平衡模式

(1) 旱作地膜带田的集水调水效应可用下列水分平衡模式表示:

    

式中,为作物生育降水量在lg所形成的土壤含水量;dTlT为作物播种前降水量在lt所形成的土壤含水量;是带间调集的土壤含水量;Te作为生物生育期潜在的蒸散量;Ka为作物系数;dgdtdr为收系数;n1,n2是带田覆膜和覆膜的面积。

(2) 应用旱作地膜带田集水调水方程

     

式中,Sc为带田集水调水量;Fm为调水收熵系数;R为生育期降水量;Cr为集水比。

参考文献:

    邓振镛,仇化民:旱作小麦玉米拢重、种沟盖地膜带田集水吊水与增产效应研究。自然资源学报,1999,143

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《资源环境数学模型手册》 (2018). 旱作地膜带田的集水调水效应水分平衡模式, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/ca215a36-dc4d-4629-9989-f2b60b2fe9c6
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Initial contribute : 2018-12-04

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Authorship

:  
岳天祥编著
:  
yue@lreis.ac.cn
:  
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History

Last modifier
wzh
Last modify time
2020-11-01
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