PPT Slide

Change in annual water yield


Object Typical size Number Type year Change (mm) Range (mm)

All treated ~1 km2 6541 Average 5.2 ? 13.7 0 to 166

cells Wet 5.5 ? 13.7 0 to 166

Dry 4.6 ? 13.6 0 to 166

Treated ~40 km2 429 Average 2.0 ? 0.04 0 to 34.6

watersheds Wet 2.1 ? 0.05 0 to 34.9

Dry 1.7 ? 0.03 0 to 34.4

Hydrologic ~3000 km2 15 Average 0.71 ? 0.015 0.002 to 3.56

units Wet 0.76 ? 0.016 0.002 to 3.65

Dry 0.63 ? 0.012 0.002 to 3.35

Note: 1 mm of water depth x 1 km2 of area = 1000 m3 of water volume

Display and

evaluate results:

• Map results to landscape units

• Use maps and data to examine

landscape patterns

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