From automatically recorded hourly rainfall data in May$-$September, $2001,$ at the Erindale

campus, Mississauga, we obtained the following maximum rainfall information for various

periods.

Table $2.$ Maximum rainfall amounts in different durations

Plot the maximum amount of rainfall $(mm)$ against duration $,$ and $24$ hours, $5,10,20,$

$30,60$ and $90$ days$)$ on a $4$ by $3$ cycle log$-$log paper. Compare it with Figure $2-15($copied below$)$

in Ward and Robinson $(2000),$ what do you find? If the data in Mississauga are considerably

different $($larger or smaller$)$ than the lines in Figure $2-15,$ explain the possible reasons $(2$ marks$).$

Note: Please hand in your original graphs and charts. Show sample calculations where

appropriate.

GGR $206$H $-$ Introduction to Hydrology

Department of Geography, Fall $2024$

Figure $2\mathrm{.}15$ Maximum recorded storm depths of different durations acrobs the world, and for the UK$.$