The wading technique is commonly used to measure
- ASoil moisture content
- BRiver dischargeCorrect
- CEvaporation rates
- DGroundwater level
Solution
Concept
Wading technique for river discharge measurement
Formula
NONE
Step-by-step solution
1. Velocity and discharge measurements in shallow streams are often performed by hydrographers wading into the flow. Answer: B
Explanation
The wading technique involves an observer physically walking across a shallow stream using a wading rod and current meter to record depths and flow velocities. These measurements allow hydrologists to calculate total river discharge accurately across the stream cross-section. Therefore, option B is correct.
Why the other options are wrong
A) Soil moisture content is measured using tensiometers or neutron probes. D) Groundwater level is measured using piezometers or sounders.
Shortcut
Wading technique with a current meter measures stream or river discharge in shallow waters.
Common mistake
Confusing river discharge wading technique with soil moisture or groundwater measuring techniques.
Correct answer: B) River discharge