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Filtering by: Subject Zinc -- Environmental aspects Advisor Beschta, Robert L. Decade 1990-1999

Municipal water source turbidities following timber harvest and road construction in western Oregon

Creator:

Grizzel, Jeffrey D.

Abstract:

Many municipalities throughout western Oregon rely upon forested watersheds as a source for domestic water supply. These watersheds are commonly managed by state or federal agencies or private corporations for timber production. Activities related to forest management within municipal watersheds have the potential to adversely affect water quality. Timber harvesting...

Resource Type:

Masters Thesis
The effect of the size and orientation of large wood on pool volume in two Oregon Coast Range streams

Creator:

Lombard, Pamela

Abstract:

This study was conducted to determine how the size and orientation of large wood placed in streams in combination with peak flows, substrate and channel gradient affect pool volume, surface area and maximum depth in two coastal Oregon streams. Eighteen Douglas-fir (Pseudotsuga menziesii) logs were placed in each of two...

Resource Type:

Masters Thesis
Influence of hillslope and instream processes on channel morphology of Esmond Creek in the Oregon Coast Range

Creator:

Dent, Elizabeth F.

Abstract:

Esmond Creek is a tributary to the Siuslaw River located in the Oregon Coast Range. It is 18 km in length and drains a watershed area is 48.9 km². Average channel gradient of the study reach is 0.9%. In 1988 a landslide occurred in the Esmond Creek watershed involving approximately...

Resource Type:

Masters Thesis

Full Text:

and obstructions. The interaction of large woody debris (LWD) and sedimuent is an imuportant aspect