'Channel slope' diaporamas de présentation

OCDAG

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Got Flood? Understanding Floodplains and their Impacts

729 views • 44 slides

Got Flood? Understanding Floodplains and their Impacts

626 views • 44 slides

Overland and channel routing (b) Calibration

Overland and channel routing (b) Calibration. Lecture 4. Routing Outline. Conceptual model Parameter estimation Connectivity Slopes Channel hydraulic properties Local customization steps. Routing Model. Real HRAP Cell. Hillslope model. Cell-to-cell channel routing.

561 views • 39 slides

Geology 230 Groundwater/ surface water interaction Tim Horner Geology Department, CSU Sacramento

SACRAMENTO. STATE. Geology 230 Groundwater/ surface water interaction Tim Horner Geology Department, CSU Sacramento. Week 1: Stream classification Reading assignment:

532 views • 35 slides

Supercritical and mixed regime flows

Supercritical and mixed regime flows. Background. Most open channel flows are above critical depth (subcritical flow with low velocities) In steep channels flows may be below critical depth (supercritical flow with high velocities)

786 views • 33 slides

Use of GIS for Hydrologic Model Parameter Estimation

Use of GIS for Hydrologic Model Parameter Estimation. OHD/HSMB/Hydrologic Modeling Group Seann Reed (presenter), Ziya Zhang, Yu Zhang, Victor Koren, Fekadu Moreda, Michael Smith, Zhengtao Cui Presented at the RFC GIS Workshop, OHRFC July 17, 2007. Outline.

577 views • 33 slides

Luquillo Biocomplexity Meeting January 2004

Luquillo Biocomplexity Meeting January 2004. Hydrology overview Stream-Hydrology issues Pike/Scatena research plan. Steep Environmental Gradients Subtropical Dry (1200 mm/yr) to Wet (5000mm/yr) Windward vs leeward. Hydrology Overview. Steep Environmental Gradients

428 views • 32 slides

Luquillo Biocomplexity Meeting January 2004

Luquillo Biocomplexity Meeting January 2004. Hydrology overview Stream-Hydrology issues Pike/Scatena research plan. Steep Environmental Gradients Subtropical Dry (1200 mm/yr) to Wet (5000mm/yr) Windward vs leeward. Hydrology Overview. Steep Environmental Gradients

323 views • 32 slides

Overland and Channel Routing in the Distributed Model

Overland and Channel Routing in the Distributed Model. Lecture 4a. Yu Zhang. Outline. Conceptual model Parameter estimation Connectivity Slopes Channel hydraulic properties Local customization steps. Routing Model. Real HRAP Cell. hillslope. Conceptual Config. channel.

461 views • 31 slides

Stream Assessment Techniques

548 views • 26 slides

Overland and Channel Routing in the Distributed Model

Overland and Channel Routing in the Distributed Model. Lecture 4a. Yu Zhang. Outline. Conceptual model Parameter estimation Connectivity Slopes Channel hydraulic properties Local customization steps. Routing Model. Real HRAP Cell. Hillslope model. Cell-to-cell channel routing.

398 views • 25 slides

Overland and Channel Routing in the Distributed Model

Overland and Channel Routing in the Distributed Model. Lecture 4a. Yu Zhang. Outline. Conceptual model Parameter estimation Connectivity Slopes Channel hydraulic properties Local customization steps. Routing Model. Real HRAP Cell. Hillslope model. Cell-to-cell channel routing.

372 views • 25 slides

Common Monitoring Parameters

Common Monitoring Parameters. Step 1. Consider purpose/objectives of monitoring Assess use attainment Characterize watershed Identify pollutants and sources Investigate fate & transport Measure effectiveness Determine changes and trends Assess compliance Modeling.

370 views • 22 slides

Common Monitoring Parameters

Common Monitoring Parameters. Step 1. Consider purpose/objectives of monitoring Assess use attainment Characterize watershed Identify pollutants and sources Investigate fate & transport Measure effectiveness Determine changes and trends Assess compliance Modeling.

224 views • 22 slides

Water Resources Lecture 4

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Predicting threatened bull trout occurrence using Ripple, a digital terrain-based modeling program

Predicting threatened bull trout occurrence using Ripple, a digital terrain-based modeling program. Audrey Sawyer. Bull Trout ( Salvelinus confluentus ). Threatened species Pacific Northwest region Resident, migratory, and anadromous forms Habitat needs: Cold Clean Complex Connected.

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Part 2

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Channel Transitions

Channel Transitions. Channel transitions occur where there is a change in width, shape, slope, roughness, bottom elevation of the channel. For changes in slope and roughness we can use backwater curves to evaluate the effects of the changes.

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1.Manning Equation

1.Manning Equation. V = R 2/3 S 1/2 n. Where v = average flow velocity r = hydraulic radius s = channel slope (unitless) n = Manning roughness coefficient. R = A/P A = Area P = Wetted Perimeter. 1.Manning Equation. For the South River:

1.87k views • 4 slides