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| '''Canopy conductance''', commonly denoted <math>g_c</math>, is a [[dimensionless quantity]] characterizing radiation distribution in tree [[Canopy (biology)|canopy]]. By definition, it is calculated as a ratio of daily water use to daily mean [[vapor pressure deficit]] (VPD)<ref>{{cite web|url=http://www.kainet.or.ke/documents/canopy-conductance-estate-tea-kenya|title=Canopy conductance of estate tea in Kenya|author=Callander, B.A., Woodhead, T.|publisher=Elsevier}}</ref>. Canopy conductance can be also experimentally obtained by measuring sap flow and environmental variables<ref>{{Cite journal|title = Transpiration and canopy conductance in a eucalypt plantation using shallow saline groundwater|date = 1998|first = Jim|last = Morris|last2 = Mann|first2 = Louise|first3 = John|last3 = Collopy|journal = Tree Physiology|volume = |issue = 18|pages = 547-555|publisher = Heron Publishing|year = 1998}}</ref>. [[Stomatal conductance]] may be used as a reference value to validate the data, by summing the total stomatal conductance <math>g_s</math> of all [[Leaf shape|leaf classes]] within the canopy<ref>{{cite web|url=http://www.life.illinois.edu/plantbio/wimovac/canopy.htm|title=WIMOVAC Canopy Processes Module|publisher=[[University of Illinois]]|year=1998|author=WIMOVAC}}</ref>.
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| <math>g_c = \sum_{layer_1}^{layer_N} (g^i_{s,sun} \cdot l_{sun}^i) + (g_{s,shade} \cdot l_{shade})</math>
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| == References ==
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| <references />
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| [[Category:Plant physiology]]
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Latest revision as of 20:54, 26 March 2014
28 year old Plastic and Reconstructive Surgeon Priestly from Saint-Hubert, enjoys to spend time bridge, property developers in singapore and riddles. Finds the world an interesting place having spent 5 months at Central Zone of the Town of Angra do Heroismo in the Azores.
Visit my weblog ... Chestaccount.Com