development of runoff depth parameters for alberta

Development of Runoff Depth Parameters For Alberta

Build Runoff DB

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Observed Snowmelt Response

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Time to Centroid of Runoff Hydrograph 'Tc' (Hours)

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Water Surplus < -200mm

Water Surplus > -200mm

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05A&11A05B - F07A07B - G

Observed Rainfall Response

Geographic Assignment

• Correlation with Ecodistricts (water surplus)

• Geographic Extrapolation

• Northern Areas

Assignment By Ecodistrict

‘d’ = 150 : [1019]‘d’ = 100 : [620], [621], [1018]‘d’ = 90 : [618- 619], [614]‘d’ = 80 : [627- 628, 631, 1016- 1017]‘d’ = 70 : [610- 611], [996- 1000], [630]

: [581- 584], [601- 603], [605- 606], [253 - 254]‘d’ = 60 : [622- 626, 629, 750], [591- 600], [703]‘d’ = 50 : [708], [612- 613], [615- 617, 684, 692]‘d’ = 40 : [242- 251, 263- 580, 586- 590, 604, 607 - 609

: 632- 683, 686 - 688], [801], [727, 737, 746]‘d’ = 15 : [728- 838, except 737,746,750, and 801]

Runoff Depth Map

Exceptions

• 07BG004 - Lily Ck, 1988 - 614• 05CC008 - Blindman R, 1990 - 703, 630• 07GF001 - Simonette R, 1987 - 618, 610, 621• 05BK001 - Fish Ck, 1915 - 631• 05AA003 - Castle R, 1923 - 1019, 1018• 07GH005 - Wabatanisk R, 1990 - 611