Location Name: Lookout Creek (Reach 410) - LO410

Parent: Lookout Creek - LOOKOUT

Bounding Coordinates (decimal degrees):

North: 44.22833000

South: 44.22778000

East: -122.16722000

West: -122.17038000

Elevation (meters):

Minimum:   655

Maximum:   668

Slope (%):   4.26

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Landform:

· Single thread channel (upper), braided alluvial channel (lower) · Reach length (combined) = 577.2 m · Average stream gradient = 4.26% · Average sinuosity* = 1.15 m/m (combined) * Sinuosity was calculated as the thalweg length divided by the straight-line distance along the valley axis for each reach.

Soils:

Coarse Sands, coarse and fine Gravels, Cobbles, and Boulders

Geology:

Lookout Creek reach 410 is characterized by a series of large boulder steps and plunge pools. Lookout Creek reach 411 has a large island feature in its upper half and a log-jam causing a cross valley-gradient braiding feature in its lower section.

Hydrology:

Approximate basin area = 2600 hectares, average stream flow measured during test period =260.9 liters per second

Vegetation:

Forested, predominantly Douglas fir, and alder stands

Climate:

Mild wet winter, warm dry summer. Average annual precipitation = 223 cm