Water Balance – 04 Water Balance Using Daily Data

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Figure 17. Cumulative water supply over coefficient B calculated from water level by equation (9) and from precipitation by equation (10) for average precipitation case. Value for al chosen based on minimizing average absolute deviation between two calculated water supply curves. Precipitation adjusted by factor Ba so that total precipitation for year matches that from known water-level change using B = 1.325 and po = 169.2 cm/y.

 

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Figure 18. Cumulative water supply over coefficient B calculated from water level by equation (9) and from precipitation by equation (10) for high precipitation case. Values for B and a chosen based on minimizing average absolute deviation between two calculated water supply curves. po = 169.2 cnm/y.

 

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