Preliminary Assessment of Channel Stability and Bed-material Transport in the Coquille River Basin, Southwestern Oregon PDF Download
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Author: U.S. Department of the Interior
Publisher: CreateSpace
ISBN: 9781497359857
Category : Nature
Languages : en
Pages : 92
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Book Description
This report summarizes a preliminary study of bed-material transport, vertical and lateral channel changes, and existing datasets for the Coquille River basin, which encompasses 2,745 km2 (square kilometers) of the southwestern Oregon coast.
Author: U.S. Department of the Interior
Publisher: CreateSpace
ISBN: 9781497359857
Category : Nature
Languages : en
Pages : 92
Get Book Here
Book Description
This report summarizes a preliminary study of bed-material transport, vertical and lateral channel changes, and existing datasets for the Coquille River basin, which encompasses 2,745 km2 (square kilometers) of the southwestern Oregon coast.
Author: U.S. Department of the Interior
Publisher: CreateSpace
ISBN: 9781497353794
Category : Reference
Languages : en
Pages : 104
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Book Description
This report summarizes a preliminary assessment of bed material transport, vertical and lateral channel changes, and existing datasets for the Rogue River basin which encompasses 13, 390 square kilometers along the south wester Oregon coast.
Author: Krista L. Jones
Publisher:
ISBN:
Category : Channels (Hydraulic engineering)
Languages : en
Pages : 84
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Book Description
Author: Krista L. Jones
Publisher:
ISBN:
Category : Bed load
Languages : en
Pages : 96
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Book Description
Author: U.S. Department of the Interior
Publisher: CreateSpace
ISBN: 9781497350786
Category : Reference
Languages : en
Pages : 48
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Book Description
This report summarizes a reconnaissancelevel assessment of channel condition and bedmaterial transport relevant to the permitting of instream gravel extraction in Hunter Creek, a coastal stream draining to the Pacific Ocean south of Gold Beach, Oregon (fig. 1, next page). The assessment is based on a review of existing datasets (such as bridge-inspection surveys, watershed analyses, and gravel-extraction records), repeat delineation of bar and channel features from aerial photographs, and field observations and particle-size measurements made during July 2010. Findings from these multiple datasets and observations were used to (1) assess the vertical stability of the Hunter Creek channel and identify locations where the channel may be incising, aggrading, or stable and (2) identify key datasets and issues that are relevant to understanding channel condition, bed-material transport, and potential effects of instream gravel extraction on Hunter Creek.
Author: U.S. Department of the Interior
Publisher: CreateSpace
ISBN: 9781497389168
Category : Reference
Languages : en
Pages : 128
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Book Description
This report summarizes a preliminary study of bed-material transport, vertical and lateral channel changes, and existing datasets for the Tillamook (drainage area 156 square kilometers [km2]), Trask (451 km2), Wilson (500 km2), Kilchis (169 km2), Miami (94 km2), and Nehalem (2,207 km2) Rivers along the northwestern Oregon coast.
Author: Krista L. Jones
Publisher:
ISBN:
Category : Channels (Hydraulic engineering)
Languages : en
Pages : 41
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Book Description
Author: Krista L. Jones
Publisher:
ISBN:
Category : Channels (Hydraulic engineering)
Languages : en
Pages : 41
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Book Description
Author: Krista L. Jones
Publisher:
ISBN:
Category : Channels (Hydraulic engineering)
Languages : en
Pages : 120
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Book Description
Author: Joe C. Willis
Publisher:
ISBN:
Category : Mathematical models
Languages : en
Pages : 74
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Book Description
In a stable alluvial channel, no net erosion or deposition of sediment occurs on the average. The sediment supply rate from upstream is balanced by capacity of the flow to transport the bed material. Any successful channel design must maintain this equilibrium or establish it for channel reaches that are not stable. Design relationships between the bed material transport capacity and the hydraulic variables of flow are based primarily on data from relatively small test channels. Reliable data for equilibrium transport of bed material by flows over about twenty cfs are not adequate to insure that data from small flumes can be extrapolated to prototype designs. An investigation was conducted in the 250-ft long test channel at the USDA Sedimentation Laboratory to obtain additional data on equilibrium transport by flows up to 150 cfs. Data on the transport rates, flow friction factors, and statistical properties of the bed forms were obtained. The results are presented as basic variable correlations with the controlled variables of the experiments, depth and discharge, along with attempts to generalize the relationships by similitude principles. (Author).
