Download (2026Kb) - NERC Open Research Archive
Download (2026Kb) - NERC Open Research Archive
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3. CONSTANI PROPORTIOML IOSS (B)<br />
sane a6 2 except that contlibutlng area = total area<br />
4. PHI INDEX (A)<br />
Net ralnf,alI<br />
constant lhlough<br />
Ratufa11<br />
Intdrsity<br />
depress ion<br />
is rainfall lnput less<br />
an evenli co$lrlbutlng<br />
90ne allosance nhlch !ena1n6<br />
alea ls al30 constant.<br />
r DEPSIO<br />
Net ralnfall = Rainfall - alepresslon storaqe - (b<br />
2 pararneter nodel : PHI,DEPSTO<br />
Rainfall<br />
when volumes forceClr PlrI = i I nro-oersro - {Ror'ol/conr. a!ea) I<br />
t. PHr rNpEX (q)<br />
storage<br />
nbere D = duratlon of n€t ralnfaLl<br />
Same as 4 ercept that contributing area - total a!ea.