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catcbDetrt gto93 atea coyeted loofeal<br />
(ha) area(t)<br />
}lousing al6a<br />
parki$g Iot<br />
natute of @vered aFea<br />
(r)<br />
2,o 44 30<br />
arphalt bllcks<br />
(r) (t)<br />
Ihe stolD wate! sewer systeDE 1n th€ catchDents have a celtajn volube of<br />
peflnanent gtatlc storage r|tllch provial,es a qulck !€sponse r'h€o it starts<br />
to ral"n and facllitates tlre calculation of the lirflo!, lnto tie storrn<br />
ilrains (Van den Be!g, 1976).<br />
A central data loggtng systeD neasulcc crgntlnuously the folLowing<br />
elen€nts:<br />
- rainfall (glound I€veI ralngauge),<br />
- sto!& $ater all.schalge (rectargrlat :$rouson V_notch),<br />
- subsulface aEalnage allscharge (electrooagnettc flow meter);<br />
- groond*ater level.<br />
Recolding t-ake3 place only when tier€ is a stgnlftcant change ln trte<br />
value of an elebent-<br />
2.3 Sreilis} d|!ta cltl€ctlon proqrarpe<br />
Itre Deprrtrent of w€rter Resoutces Eoglnee!1ng at tjre o4lverslty of Lrrrrat<br />
1"1:11F9 an urban hydrology research projecr wirh a labolato; oodel"<br />
1n 1972<br />
-:,.a<br />
{cotbchalk & Ni€Dczyno$tcz, fgiSi. rrrese .rp.rr-o"it rc<br />
rne construcllon of an apparatus for lunoff Deagureoents j,n gutt€r<br />
(1at* &. Nleoczynoricz,<br />
l:1::"<br />
1978, lrndh, 1926 and A;;"ii ;;;.,<br />
L'ttt. rne ptlncl'pte of the gauge la shorea l!: Figure 2. Dultl?g t-he<br />
FIGURE<br />
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ir drr<br />
rL.t.!ayh<br />
tt$rirtla<br />
aitbar<br />
tar5if,l.<br />
Stedish runoff measurenent<br />
sys tem<br />
45<br />
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