Water Balance Quiz

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What does the water balance equation represent?

Precipitation minus outputs like evaporation and transpiration (correct)

Runoff variation in a drainage basin

River discharge during flood events

Soil moisture levels affected by precipitation

How are storm hydrographs influenced by human factors?

Saturation and drainage basin size

Urbanization and discharge variability

Soil moisture and rock type

Deforestation and water abstraction (correct)

Which factor can lower water tables and lead to saline intrusion in coastal areas?

Runoff variation

Water abstraction (correct)

Deforestation

Saturation

What do soil moisture graphs track over a year?

Water levels in soils Signup and view all the answers

Which physical factors influence storm hydrographs?

Drainage basin size and shape Signup and view all the answers

How do land use changes like deforestation affect flooding?

Increase flooding due to less interception of rainfall Signup and view all the answers

What is the primary focus of river regimes studies?

Discharge variability over a year Signup and view all the answers

How is flood speed influenced according to storm hydrographs?

Lag time between peak rainfall and discharge Signup and view all the answers

What is the main purpose of soil moisture graphs?

Track water levels in soils over a year Signup and view all the answers

How do human factors like urbanization influence storm hydrographs?

Impact storm hydrographs and flood risk Signup and view all the answers

Which factor contributes to increased flooding due to decreased interception of rainfall?

Deforestation Signup and view all the answers

How do heavy rainfall events impact runoff variation in rivers?

Increase discharge Signup and view all the answers

What does the lag time between peak rainfall and river discharge influence in storm hydrographs?

Flood speed Signup and view all the answers

How can water abstraction for human use impact groundwater quality?

Lead to saline intrusion in coastal areas Signup and view all the answers

Which physical factor influences storm hydrographs by affecting factors like saturation and rock type?

Drainage basin size Signup and view all the answers

What do river regimes study in terms of discharge over a year?

'River discharge variability' Signup and view all the answers

What is the primary purpose of studying runoff variation in rivers?

To analyze factors like discharge influenced by heavy rainfall and drainage basin size Signup and view all the answers

How do storm hydrographs differ from river regimes studies?

Storm hydrographs measure river discharge during flood events, while river regimes study discharge variability over a year Signup and view all the answers

How can urbanization impact storm hydrographs and flood risk?

By introducing impermeable surfaces that increase surface runoff Signup and view all the answers

Which factor can influence storm hydrographs by impacting factors like saturation and rock type?

Deforestation Signup and view all the answers

What is the impact of land use changes like deforestation on flooding?

Increased flooding due to less interception of rainfall Signup and view all the answers

How does water abstraction for human use affect storm hydrographs?

By lowering water tables and causing saline intrusion in coastal areas Signup and view all the answers

What role do storm hydrographs play in understanding flood events?

Measuring river discharge during flood events Signup and view all the answers

How do physical factors like drainage basin size influence storm hydrographs?

By affecting factors like saturation, rock type, and runoff variations Signup and view all the answers