农田土壤水分模型

农田土壤水分模型

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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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Application-focused categoriesNatural-perspectiveLand regions

Detailed Description

Chinese {{currentDetailLanguage}} Chinese

农田土壤水分模型

(1) 土壤水分主要平衡方程:

式中,为时段始末土壤有效含水量;P为相应时段降水量;F为径流量;ET为实际蒸散量。

(2) 作物实际耗水模型:

式中,ET为作物实际耗水;为土壤田间持水量;为土壤凋萎湿度;为土壤临界持水量;W为土壤含水量;为潜在蒸散。

(3) 径流产生条件:

式中,为多年平均径流系数;P为降水强度;为产生径流的临界降水强度。

参考文献

谢云:黄土高原地区农田土壤水分模型及其对农作物的影响。地理研究,199716()

How to Cite

《资源环境数学模型手册》 (2018). 农田土壤水分模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/0b4b2d5c-41f0-4df8-90d9-c23495f3b03a
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Last modifier : 
zhengzhong
Last modify time : 
2020-11-04
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Contributor

contributed at 2018-12-04

Authorship

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

History

Last modifier : 
zhengzhong
Last modify time : 
2020-11-04
Modify times : 
View History

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