Hydrometeorology And Flooding Flashcards

1
Q

How to soil moisture affect the hydrologic cycle?

A

Any deficits need to be satisfied before surface runoff can occur

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2
Q

What 5 factors affect the hydrologic cycle?

A

Soil Moisture, subsurface geology, character of storms, climate, vegetation

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3
Q

Rain gauge at work

A

Cooperatives observer sending reports

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4
Q

How does the character of storms affect the hydrologic cycle?

A

Rainfall intensity and duration

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5
Q

Gradient

A

The slope of the Stream Valley which drives the speed

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6
Q

What factors affect the snowmelt cycle?

A

Past soil moisture, winter air temperature, spring air temperature

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7
Q

Surface flow

A

Overland flow that empties into a stream

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8
Q

Tributaries

A

Smaller streams that feed into the main stem or river

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9
Q

Hydrologic cycle

A

Link between precipitation., terrestrial run off, and ocean

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10
Q

What does WSF stand for?

A

Water supply forecasts

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11
Q

How is the WSF calculated?

A

Historical rain, snow, runoff data

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12
Q

How does Paso your moisture affect the snowmelt cycle?

A

Was the ground dry or wet when the first snow fell?

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13
Q

What does QPF stand for?

A

Quantitative precipitation forecast

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14
Q

Erosional power

A

Proportional to the square of the stream velocity

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15
Q

Stream

A

Surface water flow that is confined to a channel

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16
Q

Inter-flow

A

Part of the surface flow that goes to groundwater

17
Q

How is the QPF calculated?

A

Observed run off, precipitation

18
Q

Discharge

A

Streamflow per unit time in cubic feet per second

19
Q

Snow pack will always “______” before it becomes snowmelt run off

A

Ripen

20
Q

Drainage basin

A

Water collecting area that feeds the stream

21
Q

Base flow

A

The underground source of flow for stream

22
Q

Main stem river

A

The major river of a basin

23
Q

What defines a flash flood?

A

Rising of smaller streams in less than six hours