Neco Model Questions Vol1 2019 Geography Question 8

Practice essay / theory question 8 from the 2019 Neco Model Questions Vol1 Geography examination. This question covers Drainage .

Neco Model Questions Vol1 2019 Geography Essay / Theory

Topic: Drainage

Question 8 NECO_MODEL_QUESTIONS_VOL1 • 2019 • GEOGRAPHY • essay

A river in the middle belt of Nigeria has the following measured characteristics: total river length (following its course) = 150 km; straight‑line distance between source and mouth = 90 km; catchment area = 2 000 km²; mean annual rainfall = 1 500 mm; infiltration coefficient = 0.30 (i.e., 30 % of rainfall infiltrates). Using this information, answer the questions below.

Question Parts

( a )

Calculate the sinuosity of the river and state, to two decimal places, whether the river is straight, sinuous or meandering.

( b )

Determine the average annual runoff volume (in cubic metres) generated from the catchment and the corresponding average discharge (in cubic metres per second). Show all steps.

( c )

Discuss at least three natural factors that favour the development of meanders in this river.

( d )

Based on the calculated discharge and sinuosity, assess the flood risk for settlements located on the floodplain and recommend two engineering or land‑use measures to reduce that risk.

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About This Question

This is Neco Model Questions Vol1 2019 Geography Question 8. It is one of the essay questions from the 2019 Neco Model Questions Vol1 Geography examination.

The question covers Drainage .

View More Neco Model Questions Vol1 2019 Geography Questions More Neco Model Questions Vol1 Practice Questions Back to Questions

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