Multi-scale evapotranspiration of summer maize and the controlling meteorological factors in north China
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- 作者：Baozhong Zhanga ; b ; zhangbaozhong333@163.com" class="auth_mail" title="E-mail the corresponding author ; Di Xua ; b ; Yu Liua ; b ; Fusheng Lic ; Jiabing Caia ; b ; Lijuan Dua ; b
- 关键词：Evapotranspiration ; Sap flow ; Transpiration ; Maize ; Meteorological factor
- 刊名：Agricultural and Forest Meteorology
- 出版年：2016
- 出版时间：15 January 2016
- 年：2016
- 卷：216
- 期：Complete
- 页码：1-12
- 全文大小：2922 K
文摘
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The Tr and gs of shade leaves are about 50% lower than those of sun leaves.
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The Tr and gs at lower part of the canopy are lower.
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Plant sap flow velocity changes with net radiation but presents a 1 h lag.
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The proportions of λET, H and G are 66.9–70.7, 23.4–26.1 and 4.0–9.2%.
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ET at leaf and farmland scales can be characterized by Rn, Ta, VPD and u.