Monday 7 November 2011

Class notes

flood hydrographs

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ACTIVITIES PAGE 15:


1a) on picture.
b)i - February. ii - February.
c) Because there is more rain in the winter than in the summer.
d) Because while there was no rain the water was still running off.

2.a)i - 5 hours.
ii - 4 to 5 am.
iii - 9 hours.

b)i - The time it takes to begin to discharge.
ii - Because the next storm stops it from falling.
iii - Because there was more precipitation and because it went on for longer.


c) The water would have over flown over the banks and flooded the surrounding area.

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