01.06.2013 Views

6-Idrologia - Dipartimento di Ingegneria delle Acque e di Chimica

6-Idrologia - Dipartimento di Ingegneria delle Acque e di Chimica

6-Idrologia - Dipartimento di Ingegneria delle Acque e di Chimica

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Luci<strong>di</strong> <strong>di</strong> Costruzione Idrauliche<br />

Rainfall Excess: Runoff coefficient<br />

Surface typology<br />

Roads, pavements<br />

Compacted land<br />

Grass<br />

Residential areas<br />

Wood, Forest,<br />

Agricoltural land<br />

ϕ<br />

∑<br />

= i<br />

Sϕ<br />

i<br />

S<br />

i<br />

ϕ<br />

0.7 ÷ 0.9<br />

0.4 ÷ 0.6<br />

0.1 ÷ 0.7<br />

0.3 ÷ 0.7<br />

0.1 ÷ 0.3<br />

0.2 ÷ 0.6<br />

54

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!