An Experience In An Experience In ConductingConducting A Longitudinal Profile… A Longitudinal Profile…

A Study of the Response of San Pedro Creek to the US Army Corps of Engineers (USACE) Flood Control Project

Simion Jim Bulldis Joe Farrow Matt Ward

Spring 2003 GEOG 642

Watershed Assessment & Restoration

Area GeologyArea Geology

Lower San Pedro Creek Longtitudinal Profile

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Distance Upstream (feet)

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THALWEG ELEVWATER ELEVBANKFUL TERRACEMISC

Out In The Field…Out In The Field…

Hwy 1 BridgeHwy 1 Bridge

Sinking sediment surfaceSinking sediment surface Deepest Pools On Restoration Deepest Pools On Restoration

Project ReachProject Reach Water Current Slow or Standing Water Current Slow or Standing

PoolsPools

Highway 1 Bridge at Highway 1 Bridge at Beginning of Monitoring Beginning of Monitoring ProjectProject

Log Revetment Right Bank Log Revetment Right Bank Erosion ControlErosion Control

Left Bank and Streambed consists of Left Bank and Streambed consists of Sands and Cobbles Near Middle of Sands and Cobbles Near Middle of RunRun

Left Bank Streambed Near Top of Left Bank Streambed Near Top of Run Consists of Cobbles and GravelsRun Consists of Cobbles and Gravels

Left Bank Erosion Control Measure Left Bank Erosion Control Measure Consists of Planted Willow StakesConsists of Planted Willow Stakes

Log Revetment on Right Log Revetment on Right Bank Near Bridge by MallBank Near Bridge by Mall

Successful Native Successful Native Riparian Vegetation Riparian Vegetation GrowthGrowth Very Narrow Meandering ChannelVery Narrow Meandering Channel Dense Riparian Growth Dense Riparian Growth Slow Stream Velocity ObservedSlow Stream Velocity Observed

Downstream View of Downstream View of Riparian Corridor and Riparian Corridor and Highway 1Highway 1

Log Revetment on Left Bank Log Revetment on Left Bank With Willow Stakes on With Willow Stakes on Right BankRight Bank

Right Bank Revetment As Right Bank Revetment As Bank Erosion Control Bank Erosion Control MeasureMeasure Streambed Sediment Consists of Streambed Sediment Consists of

Fines and Gravels Fines and Gravels Slow Stream VelocitySlow Stream Velocity Pool Next to Log RevetmentPool Next to Log Revetment

View of Lower Reach to Hwy View of Lower Reach to Hwy 1 Bridge and Right Bank 1 Bridge and Right Bank Log RevetmentLog Revetment

Gravel Bar On Right Bank Gravel Bar On Right Bank TerraceTerrace

Dense Stream Corridor Riparian Dense Stream Corridor Riparian VegetationVegetation

Riffle/Pool Streambed Sediment Riffle/Pool Streambed Sediment Consists of Gravels and FinesConsists of Gravels and Fines

Stream Velocity ModerateStream Velocity Moderate

Upstream View of Riparian Upstream View of Riparian Vegetation With View of Vegetation With View of Top of Pool and Bottom of Top of Pool and Bottom of RiffleRiffle

Downstream View of Narrow Downstream View of Narrow

Channel ReachChannel Reach

Upstream View of Upstream View of Floodplain and SandbarFloodplain and Sandbar

Same Station Including Same Station Including View of Log Revetment For View of Log Revetment For Run and Bottom of MeanderRun and Bottom of Meander

Downstream View of Downstream View of Sandbar and Log Revetment Sandbar and Log Revetment on on Right BankRight Bank

Cross-channel View From Cross-channel View From Right Bank of Project AreaRight Bank of Project Area

Longitudinal View of Project Longitudinal View of Project AreaArea

View of Left Bank Terrace View of Left Bank Terrace and Floodplainand Floodplain

San Pedro Creek Floodplain San Pedro Creek Floodplain FloraFlora

KilldeerKilldeer

Typical Riffle on San Pedro Typical Riffle on San Pedro Creek Restoration AreaCreek Restoration Area

Bottom of Meander With Bottom of Meander With

Riffle and Log RevetmentRiffle and Log Revetment

Close-up Of Log Revetment Close-up Of Log Revetment and Runand Run

Upstream View Of End of Upstream View Of End of Restoration Area With Restoration Area With Revetment On Meander Revetment On Meander With RiffleWith Riffle

Deep Scour Pools Along Log Deep Scour Pools Along Log RevetmentRevetment

View of Right Bank View of Right Bank Revetment and Residential Revetment and Residential Area At Beginning of Area At Beginning of Restoration AreaRestoration Area

View of Narrow Channel and View of Narrow Channel and Meander With SandbarMeander With Sandbar

View of Right Bank of View of Right Bank of Stream With Immersed Stream With Immersed Riparian VegetationRiparian Vegetation

Downstream View of Downstream View of Restoration Area Viewed Restoration Area Viewed From From Left Bank TerraceLeft Bank Terrace