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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Sotiris,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>LAI values can range from 0(no plants) to 5 or higher. However, typical LAI values for extensive green roofs (substrate/soil thickness less than 6”) are around 1–3. For my PhD Thesis at PennState I measured among other things the LAI of a healthy green roof sample with <i>Delosperma nubigenum</i>. The LAI was 2.7. <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Hope this helps,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Paulo<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=ES-MX style='font-family:Consolas'>Paulo Cesar Tabares-Velasco, Ph.D.<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-family:Consolas'>Postdoctoral Researcher<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:Consolas'>Electricity, Resources & Building Systems Integration<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:Consolas'>National Renewable Energy Lab<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:Consolas'>1617 Cole Blvd. MS 5202<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:Consolas'>Golden, CO 80401<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:Consolas'>303.384.7591 direct<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:Consolas'>303.384.7540 fax<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:Consolas'><a href="mailto:paulo.tabares@nrel.gov">paulo.tabares@nrel.gov</a><o:p></o:p></span></p><p class=MsoNormal><a href="http://www.nrel.gov">http://www.nrel.gov</a><o:p></o:p></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> bldg-sim-bounces@lists.onebuilding.org [mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Sotiris Papantoniou<br><b>Sent:</b> Wednesday, May 11, 2011 11:06 AM<br><b>To:</b> bldg-sim@lists.onebuilding.org<br><b>Subject:</b> [Bldg-sim] Leaf area index values for roof vegetation<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hello list,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am doing a research for green-roofs analyzed with energyplus. Although I have searched the internet for default or average values for LAI per plant or per group of plants, I had no luck. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Can you please give me some guidance or some links about this value???<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you in advance<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sotiris Papantoniou<o:p></o:p></p><p class=MsoNormal><span lang=EL><o:p> </o:p></span></p></div></body></html>