1.6 The Yukon Regime

What can water budgets show?

• The annual balance between inputs and outputs

• The monthly balance between inputs and outputs

• The daily balance between inputs and outputs

• The seasonal balance between inputs and outputs

What are the inputs in a water budget?

• Evapotranspiration

• Precipitation

• Soil water availability

• Climate

What are the outputs in a water budget?

• Precipitation

• Soil water availability

• Evapotranspiration

• Climate

What influences water budgets?

• Soil type

• Climate

• River flow

• Vegetation

What do river regimes indicate?

• The annual variation of discharge in a river

• The monthly variation of discharge in a river

• The daily variation of discharge in a river

• The seasonal variation of discharge in a river

What factors result in the variation of river regimes?

• Vegetation and soil type

• Climate, geology, and soils

• River flow and soil type

• Vegetation and climate

Which river basins are mentioned as examples of contrasting river regimes?

• Nile, Amazon, Mississippi

• Yukon, Amazon, Indus

• Ganges, Yangtze, Danube

• Thames, Seine, Volga

What factor causes the global pattern of water budgets to vary?

• Longitude

• Latitude

• Altitude

• Temperature

What natural feature can disrupt the global pattern of water budgets?

• Rivers

• Oceans

• Mountains

• Deserts

What happens to moist air as it rises?

• It cools and releases moisture as rain

• It warms and holds more moisture

• It descends and becomes dry

• It moves towards the poles