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词汇 Canopy conductance
分类 英语词汇 英语翻译词典
释义

Canopy conductance

英语百科

Canopy conductance

Canopy conductance, commonly denoted g_c, is a dimensionless quantity characterizing radiation distribution in tree canopy. By definition, it is calculated as a ratio of daily water use to daily mean vapor pressure deficit (VPD). Canopy conductance can be also experimentally obtained by measuring sap flow and environmental variables. Stomatal conductance may be used as a reference value to validate the data, by summing the total stomatal conductance g_s of all leaf classes within the canopy.

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