Created by Charlotte Willis
over 6 years ago
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Question | Answer |
What is the water balance (budget)? | Balance between inputs (precipitation) and outputs ( run-off, evapotranspiration, soil and groundwater storage) |
When do rivers only occur? | Stores are available to release water, direct precipitation or there is overland flow into the river |
What is a river's regime? | DIscharge levels rising and falling showing an annual pattern |
What is the water balance formula? | Precipitation (P) = discharge (Q) +evapotransipiration (E) ± changes in storage (S) |
What is potential evaporation? | AMount of water that could be evaporated or transpired from an area if there was a sufficient water available |
What presents the relationship between precipitation and potential evapotranspiration over a year? | Soil Moisture Graph |
What does each section of the soil moisture graph show? | Green- soil moisture recharge Blue - Soil moisture utilisation Pink -Soil moisture deflict Purple - Soil moisture surplus Blue line - Precipitation Dashed red line - Potential evapotranspiration |
aesu |
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