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Green tram tracks: the advantages of implementing ... - urban track

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7 Water balance<br />

Problems in <strong>urban</strong> agglomerations<br />

www.inmoskau.de/blog/wpcontent/moscow-city-moskauth.jpg<br />

www.laits.utexas.edu/berlin/images/buildings/0<br />

5PotsdamerPlatz/c215_PotsdamerPlatz.jpg<br />

www.alleangebote.com/reisetipps/wpcontent/uploads/2009/05/new_york_city.jpg<br />

Reduction <strong>of</strong><br />

living quality<br />

Reduction <strong>of</strong><br />

air humidity<br />

Reduction <strong>of</strong><br />

evapotranspiration<br />

Sealed Surface<br />

Minimal Leaching<br />

Drop <strong>of</strong> water level<br />

Quick and<br />

elevated<br />

run-<strong>of</strong>f<br />

Sewerage load<br />

Ro<strong>of</strong> run-<strong>of</strong>f<br />

Danger <strong>of</strong> flooding,<br />

Quality reduction<br />

Negative impacts on <strong>urban</strong> water balance due to surface sealing<br />

(modified, from ILS 1993)<br />

13/20

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