Week 12: Forest Ecohydrology & Mine Site Hydrology.

Question 1

Zhang curve

Answer 1

Analysed data from catchments around the world and separated the data for grassland and forested catchments into two distinct Actual Evapotranspiration curves.

Question 2

Ecological optimality

Answer 2

Once trees are transpiring close to all of the annual rainfall that is available to them, biomass must reach an equilibrium with annual climate.

Question 3

Leaf Area Index

Answer 3

Literally the amount of total leaf area (m2)

Question 4

De-watering

Answer 4

The removal of water from an active mine area.

Question 5

Acid mine drainage

Answer 5

Caused when water flows over or through sulphur-bearing materials forming solutions of net acidity.

Question 6

Tailings

Answer 6

The materials left over after the process of separating the valuable fraction from the worthless fraction of an ore.

Question 7

Pit lake

Answer 7

When a mine is abandoned and water flows into the pit.