1.6

Question 1

2 Types of Watershed

Answer 1

Concentrated and Elongated

Question 2

It means physical geography of the watershed is a factor.

Answer 2

Physiography

Question 3

Isochrones means

Answer 3

Equal time

Question 4

The time where the most remote place in watershed has already contributed to the outflow.

Answer 4

Time of concentration

Question 5

DRO means

Answer 5

Direct Runoff

Question 6

It means water may pass through the soil.

Answer 6

Porous media

Question 7

It is the natural flow of water

Answer 7

Base Flow

Question 8

Start of the rainfall event and where infiltration happens

Answer 8

Recession

Question 9

It represent the positive slope

Answer 9

Rising limb

Question 10

It is where the typhoon dissipates

Answer 10

Falling limb

Question 11

It is the total rainfall minus the losses

Answer 11

Net rainfall

Question 12

2 Methods dor base flow separation

Answer 12

Straight Line and Concave Line

Question 13

A typical hydrograph is characterized by

Answer 13

Rising Limb
Crest segment
Recession Curve

Question 14

Lowest point of watershed

Answer 14

Outlet

Question 15

Represents the precipitation minus infiltration

Answer 15

Direct Runoff (DRO)

Question 16

Happens when there is too much water

Answer 16

Waterlogging

Question 17

It means that there are no water molecule on the soil

Answer 17

Unsaturated

Question 18

It means every portion of the soil is filled with water

Answer 18

Saturated

Question 19

Flooded with water

Answer 19

Flooded Soil

Question 20

A very small fraction of total flow rate

Answer 20

Channel precipitation

Question 21

The simplest infiltration method

Answer 21

Phi index

Question 22

This method assumes that the loss is uniformly distributed across the rainfall pattern

Answer 22

Phi index

Question 23

Methods for Base flow Separation

Answer 23

Computerized Method
Straight Line Method
Concave Method