Lecture 1

Question 1

Applications of hydrology?

Answer 1

1. Determine water balance
2. Predict flood and drought
3. Design buffering zones

Question 2

hydraulic vs hydraulic

Answer 2

hydrologic - movement, distribution and quality
hydraulic - fluid mechanics

Question 3

Does the volume of oceans change?

Answer 3

Yes, higher during interglacial and lower during glacial (determined by terrestrial ice)

Question 4

Describe the process of precipitation?

Answer 4

When vapour accumulated or frozen on condensation nuclei is acted on by gravity and falls in the form of sleet, snow or hail

Question 5

Rain gauge types?

Answer 5

Tipping bucket and weighing gauge

Question 6

methods to estimate river catchment rainfall?

Answer 6

Thiessen polygon method, Isohyet method and interpolation method

Question 7

Interception

Answer 7

occurs when precipitation falls above ground covered by vegetation

Question 8

What influences infiltration?

Answer 8

Precipitation (type and magnitude), soil characteristics (e.g. clay less efficient than sand), soil saturation, land cover, slope, ET