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| Figure 12. Water level for Crater Lake and precipitation at Park Headquarters averaged over years with high (> 180 cm/y) precipitation (Water years 1971, 72, 82, 83, 84, 89). |
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| Figure 13. Cumulative water supply over coefficient B calculated from water level by equation (9) and from precipitation by equation (10) for medium precipitation case. Calculation for a = 1 assumes that there is no storage of precipitation as snow on crater walls. 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 14. Cumulative water supply over coefficient B calculated from water level by equation (9) and from precipitation by equation (10) for medium precipitation case. Value for a 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. |
