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Line 127: − − </div> − <div class="col-md-4"> − <panelWarning> − <gallery mode="packed" widths=300px heights=300px> − YorkU1.jpg| Recently laid <em>Sedum</em> mats on a ground level podium roof. − YorkU2.jpg| Detail showing the early root development through the mat to the granular planting medium. − </gallery> − </panelWarning>
→Performance
==Performance==
==Performance==
[[File:YorkU1.jpg|thumb|Recently laid ''Sedum'' mats on a ground level podium roof.]]
[[File:YorkU2.jpg|thumb|Detail showing the early root development through the mat to the granular planting medium.]]
<h4>Water quantity</h4>
<h4>Water quantity</h4>
Green roof performance has not been reported to reduce over time. Controlled studies have instead indicated that maturing green roofs may have improved water retention properties [http://www.sciencedirect.com/science/article/pii/S0022169417300768].
Green roof performance has not been reported to reduce over time. Controlled studies have instead indicated that maturing green roofs may have improved water retention properties [http://www.sciencedirect.com/science/article/pii/S0022169417300768].
<h5>Water balance</h5>
<h5>Water balance</h5>
{{:Green roofs: Water balance}}
{{:Green roofs: Water balance}}
<h4>Water quality</h4>
<h4>Water quality</h4>
{{:Green roofs: Water quality}}
{{:Green roofs: Water quality}}
==Incentives and Credits==
==Incentives and Credits==