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→Performance
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<div class="col-md-8">
<h4>Water Quantity</h4>
<h4>Water Quantity</h4>
<p>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].</p>
<h5>Water Balance</h5>
<h5>Water Balance</h5>
<p>The key hydrologic benefit which green roofs have over other forms of LID is the proportion of the water returned to the atmosphere through evapotranspiration. </p>
<p>The key hydrologic benefit which green roofs have over other forms of LID is the proportion of the water returned to the atmosphere through evapotranspiration. </p>