Hydraulic Modeling and Geomorhpic Analysis of Sacramento River, RM 184-194,
Glenn and Butte Counties, California
Prepared for The Natural Conservancy Sacramento River Project, by Ayres Associates
Chico, April 26, 2002
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Report Text (178k)  Table 1: Manning's Roughness Coefficients (n Values), on page 7
                             Table 2: Model Scenarios and Associated Flows, on page 7
                             Table 3: Butte Basin Flow Splits by Modeled Scenario, on page 26
                             Figure 27: Sketch of Chute and Neck Cutoffs, on page 37
Photographs
Photograph 1  (116k) Looking Downstream along the Sacramento River with the Road 29 Embankment along the Right Side (TM 188.0)
Photographs 2 & 3  (271k) 2. Looking South from Road 29 at Modeled Cutoff Location
                                       3. Looking North at the Modeled Re-entry Point for Cutoff Channel

Figures
Figure 1  (165k) Location Map
Figure 2  (1.17M) Site Map
Figure 3  (290k) Finite Element Mesh
Figure 4  (369k) Land Use/Material Types - Existing Conditions
Figure 5  (384k) Land Use/Material Types - Restoration and Cutoff Conditions
Figure 6  (369k) Land Use/Material Types - Cutoff Conditions
Figure 7  (424k) Water Depth - Existing Conditions - 195,000 cfs
Figure 8  (423k) Water Depth - Existing Conditions - 370,000 cfs
Figure 9  (389k) Velocity Contours - Existing Conditions - 195,000 cfs
Figure 10  (445k) Velocity Contours - Existing Conditions - 370,000 cfs
Figure 11  (396k) Velocity Contours - Restoration Conditions - 195,000 cfs
Figure 12  (435k) Velocity Contours - Restoration Conditions - 370,000 cfs
Figure 13  (271k) Velocity Differential - Existing to Restoration Conditions - 195,000 cfs
Figure 14  (285k) Velocity Differential - Existing to Restoration Conditions - 370,000 cfs
Figure 15  (265k) Water Surface Elevation Differential - Existing to Restoration Conditions, 195,000 cfs
Figure 16  (289k) Water Surface Elevation Differential - Existing to Restoration Conditions, 195,000 cfs
Figure 17  (392k) Velocity Contours - Road 29 Cutoff Conditions - 195,000 cfs
Figure 18  (462k) Velocity Contours - Road 29 Cutoff Conditions - 370,000 cfs
Figure 19  (324k) Velocity Differential - Existing to Cutoff Conditions - 195,000 cfs
Figure 20  (329k) Velocity Differential - Existing to Cutoff Conditions - 370,000 cfs
Figure 21  (282k) Velocity Differential - Restoration to Cutoff Conditions - 195,000 cfs
Figure 22  (303k) Velocity Differential - Restoration to Cutoff Conditions - 370,000 cfs
Figure 23  (342k) Water Surface Elevation Differential - Existing to Cutoff Conditions - 195,000 cfs
Figure 24  (330k) Water Surface Elevation Differential - Existing to Cutoff Conditions - 370,000 cfs
Figure 25  (313k) Water Surface Elevation Differential - Restoration to Cutoff Conditions - 195,000 cfs
Figure 26  (312k) Water Surface Elevation Differential - Restoration to Cutoff Conditions - 370,000 cfs
Figure 27  Sketch of Chute and Neck Cutoffs (within report text, on page 37)
Figure 28  (735k) Location Map of Historic and 1998 Reach Conditions
Figure 29  (739k) Potential Channel Alignment under Scenario 1
Figure 30  (739k) Potential Channel Alignment under Scenario 2
Figure 31  (733k) Potential Channel Alignment under Scenario 3