Hydrology Flashcards
1
Q
What is the coriolis effect
A
The effect which pushes air around the atmosphere near the equator due to the rotation of the earth
2
Q
What is a rain hyetograph
A
A graph which measures rainfall against time
3
Q
What is a rain hydrograph
A
A graph of rainfall runoff against time
4
Q
What is an IDF graph
A
Intensity-duration-frequency graphs are graphs which show average intensity over time
5
Q
What is the equation for exceedance probability
A
p=1/T
Where T is the return period
6
Q
What is porosity
A
Porosity is a measure of how porous a medium is and is calculated by: volume of voids/sample volume
7
Q
What is REV
A
representative elementary volume
8
Q
How do you calculate Water Content (WC)
A
WC=water volume/sample volume