Storm Hydrograph Flashcards

1
Q

Discharge

A

Volume of water in cubic metres per second, measured in cumecs (m³/sec)

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2
Q

Rising limb

A

As water joins the river, discharge increases

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3
Q

Peak rainfall

A

When rainfall is heaviest

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4
Q

Peak flow

A

When river flow is greatest (also known as peak discharge)

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5
Q

Lag time

A

The time lapse between peak rainfall and peak discharge

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6
Q

Falling limb

A

River discharge eventually decreases

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7
Q

Base flow

A

The usual or expected volume of water in the river

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