Answer to Question 1 and 2 here (15-12-2009) Pg 63

[markos]

Answer 1
For Time -Area Method the model assumes that water from each catchment flow in one direction to the outlet.

GroupA

[drquek]

Please post your answers to Question 1 and 2 (15-12-2009) Pg 63

[norhana]

Question 2:
Group A
Outside the catchment area

[dragoon]

Question 1,
Because rainfall is out of time interval and area is out of catchment/sub-catchment.

Question 2
Area is out of catchment/sub-catchment.

[hafiz_alhadi]

Question 1

The cells in yellow is blank because the rain has not started yet. Thus, there is no travel time and distance taken place.


Question 2

Beyond the catchment area.

[noradi68]

Answer 1: No intensity at previous time.

Answer2: No area after designated time.

[21973mzi]

Group B

Question 1:

Because the cells are time related part. For the time, there is no value for time before 0,that is why the cells are blank and not applicable.:D:D

Question 2:

Because the lower part is related to area. There is no value for time-area curve can be adopted in the spreadsheet after the tc more than 30 minutes.:p:p

[drquek]

My answers:

Q1. Rainfall has not yet started.

Q2. Runoff from the furthest subcatchment has discharged out.