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Water: WARSSS

List of Flowcharts, Figures, Tables & Worksheets

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Flowcharts
Flowchart 1 WARSSS Main Phases

 

Figure 86 Relation between slope position to potential sediment delivery.
Figure 87 Relation of distance of road fill disturbance from stream to estimate potential sediment delivery.
Figure 88 Influence of road steepness on risk rating for potential sediment introduction as mocified from Reid and Dunne. (1984)
Figure 89 Relation of ground cover to potential sediment delivery.
Figure 90 Relation of distance of disturbance from stream to estimate potential sediment delivery.
Figure 91 Relation of stream buffer to potential sediment delivery.
Figure 92 Relation of potential risk for channel adjustment/sediment supply due to increase in bankfull discharge by there categories of stream types.
Figure 93 Relation of vegetation composition to streambank erosion risk.
Figure 94 Relation between bank height reation and streambank erosion risk.
Figure 95 Relation between radius of curvature/width and streambank erosion risk.
Figure 96 Risk rating in relation to channel blockage from large woody debris.
Figure 97 Relation of risk rating for over-wide channels based on departure ration from reference condition.
Figure 98 Relation of drainage density or slope width channel spacing.
Figure 99 Regional curves showing bankfull dimensions vs drainage areas for various hydro-physiographic provinces (Dunn and Leopold, 1978).
Figure 100 Development of "Regional Curves" and bankfull discharge estimates from gaging station data and site analyses.
Figure 101 Recommended cross-section locations for bankfull stage measurements in "riffle/pool" systems.
Figure 102 Recommended location for measurement of bankfull stage in "step/pool" systems.
Figure 103 Computation of velocity from a resistance factor and relative roughness (Leopold et al, 2000)
Figure 104 Conversion of a resistance (friction) factor to Manning's "n" roughness coefficient (Leopold, et al, 2000)
Figure 105 Hydraulic geometry for Powder River, Montana (Leopold, 1994).
Figure 106 Meander Pattern variables that influence channel stability. (modified from Galay et al. 1973)
Figure 107 Depositional patterns used for stability assessment interpretations (Rosgen, 1996).
Figure 108 Width/depth ratio stability rating.
Figure 109 Width/depth ratio stability rating descriptions.
Figure 110 Examples of bank height ratio (BHR) categories for stability evaluation.
Figure 111 Degree of channel incision.
Figure 112 Streambank erodibility criteria used for the BEHI rating.
Figure 113 Illustrated examples of the five BEHI criteria.
Figure 114 Common bank angle scenarios.
Figure 115 Relationship of BEHI and NBS to predict annual streambank erosion rates, Colorado data, 1989 (Rosgen 1996, 2001a).
Figure 116 Relationship of BEHI and NBS to predict annual streambank erosion rates, Yellowstone National Park data, 1989 (Rosgen 1996, 2001a).
Figure 117 Dimensionless flow-duration curve for streamflow in the Upper Salmon River area (Emmett, 1975)
Figure 118 Dimensionless flow duration curve, 1999-2001, Weminuche Creek
Figure 119 Weminuche Creek 2001 suspended sediment rating curve.
Figure 120 Weminuche Creek bedload rating curve 2001
Figure 121 Dimensionless flow duration curve 1999-2001
Figure 122 Relationship of sediment yield based on road impact index (basic data from USDA Forest Service, Horse Creek Watershed, Idaho, and Fool Creek, Colorado).
Figure 123 Erosion rate recovery over time (Megahan, 1974).
Figure 124 Stiff diagram for estimating sediment delivery (EPA, 1980).
Figure 125 Field sample methods for bar sample.
Figure 126 Critical shear stress (tc: Range .001 to 10) required to initiate movement of grains (particles), revised for Colorado Rivers.
Figure 127 Sediment supply rating indices and overall summary.
Figure 128 Collecting a bar sample
Figure 129 Installing a scour chain
Figure 130 Measuring the bank profile at a toe pin.
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Tables
Table 1 Equations for initiation of motion
Table 2 General stream type descriptions and delineative criteria for broad-level classification (Level 1)
Table 3 Management interpretations by stream type (Rosgen 1994, 1996)
Table 4 Comparison of management interpretations between E4 and F4 stream types (Rosgen 1994, 1996)
Table 5 Sediment Competence calculations for Upper Wolf (C4 stream type) and Lower Wolf Creek (D4 stream type)
Table 6 Entrainment computation for Lower West Fork of the San Juan River
Table 7 General influence of land use variable potentially altering stream channels and sediment supply.
Table 8 Relation of variables influenced by land management activities and associated potential erosional process impacts.
Table 9 Relation Between Land Uses/Activities, Processes Influenced, and Consequences
Table 10 Information Needed for RRISSC (basic sources)
Table 11 Relationship Among Land Uses/Activities, Process Influences, Consequences and Assessment Methods
Table 12 Sediment risk summary for multiple sites/river reaches within a study watershed.
Table 13 Risk rating for various stream channel successional state scenarios.
Table 14 General guidelines for broad level high risk of mass wasting potential.
Table 15 Combined mass wasting sediment delivery potential rating from Figures 80 & 81.
Table 16 Channel enlargement potential.
Table 17 Checklist of recommended procedure at USGS gage or other streamflow measurement locations.
Table 18 Velocity gradient and near-bank stress indices.
Table 19 FLOWSED Model.
Table 20 Prediction of bedload transport changes due to alterations of channel dimension and/or slope (same stream with different bankfull discharges)
Table 21 Field procedures for bar and pavement, sub-pavement samples.
Table 22 Effectiveness monitoring
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Worksheets
Worksheet 1a A simple checklist of land and river management activities that may influence erosional/depositional processes, sediment supply, and river stability.
Worksheet 1b Influence of land use variables potentially altering stream channels and sediment supply.
Worksheet 1c Relation of variables influenced by various identified land management activities and erosional impacts.
Worksheet 1d Evaluation and summary of criteria for selection of sub-watersheds to proceed to RRISSC phase.
Worksheet 2 Rural watershed potential flow related sediment increase.
Worksheet 3a Risk ratings related to streambank erosion potential.
Worksheet 3 Worksheet for inventory and risk rating for direct impact and riparian vegetation change.
Worksheet 4a Risk ratings for channel enlargement potential.
Worksheet 4 Degradation Potential Summary.
Worksheet 5a A summary of each of the risk ratings sorted by hillslope and hydrologic processes
Worksheet 5b A summary of each of the risk ratings sorted by channel process
Worksheet 6 Summary of risk rating results taken from key sub-drainages and river reaches.
Worksheet 7 Risk rating worksheet for potential sediment from roads.
Worksheet 8 Worksheet for surface erosion and sediment delivery potential inventory and risk rating form.
Worksheet 9 Summary of Aggradation/Excess Deposition
Worksheet 10 Sample form for recording gage station and field data
Worksheet 11 Velocity computation worksheet using various equations (see Figures 103, 104)
Worksheet 12 Worksheet form for stream classification.
Worksheet 13 Summary of dimension, pattern, and profile data for reference reach and for the potentially impaired reach.
Worksheet 14 Summary of Stability Condition Categories for Channel Process Assessment.
Worksheet 15 Riparian vegetation composition/density used for channel stability assessment.
Worksheet 16 Flow Regime variables that influence channel stability.
Worksheet 17 Stream size/order variables that influence channel stability.
Worksheet 18 Debris variables that influence channel stability.
Worksheet 19 Modified Pfankuch channel stability rating procedure summary
Worksheet 20 BEHI variable worksheet.
Worksheet 21 Summary of bank erosion hazard index (BEHI).
Worksheet 22 Bank profile worksheet.
Worksheet 22a Methods of estimating Near-Bank Stress risk ratings.
Worksheet 23 Total bank erosion calculation.
Worksheet 24 FLOWSED. Calculation for determining total sediment yield from sediment rating and flow duration curves.
Worksheet 25 POWERSED model.
Worksheet 26 Bar sample form.
Worksheet 26a Road Impact Index worksheet.
Worksheet 27 Entrainment calculation form.
Worksheet 28 Summary of individual ratings used for overall stability.
Worksheet 29 Summary of individual ratings used for overall stability based on the integration of stability indices.
Worksheet 29a Vertical stability prediction summary.
Worksheet 29b Stability ratings for successional stage shifts of stream types.
Worksheet 29c Sediment supply rating indices and overall summary.
Worksheet 30 Channel enlargement prediction summary.
Worksheet 31 Individual watershed summary of sediment/stability.
Worksheet 32 Annual sediment yield by source.
Worksheet 33 Summary of procedural steps for PLA.
Worksheet 34 Summary of all sediment sources and river stability conclusions.
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