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<br />C '.178'6
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<br />Table of Contents
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<br />1, Introduction"""",,,,,, '''',',' ""'''' """" ,"," '"'' ,'" '''''''' ''','' "'''''''''''' '" '" "" ""'" '''' '" """," 1
<br />1,1, Project Location """"""""""""",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 1
<br />1 ,2, Report Organization",,,,,,,,,,,,,,,,,,,,,,,,, '" """"'""",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 1
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<br />2, Background"""",,, ''','''''' ,,,,,,,,,,,,,,,,,,,, '"'' "",,,, '"'''''' ,,,,,,,,,,,,,,, '''' '",''' '" """""'" '" '"'' ,5
<br />2, L The Upper Arkansas River Restoration ProjecL"""",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 5
<br />2,2, Project Goals and Objectives""",,,,,,,,,,,,,,,,,,,,,,,,,,,.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 5
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<br />2,3, Procedure"",,,,,,,,, ''',' '" '"'' ,,,,, '"',,''''''''''' ,'" "","'''' '''''' '" "'" '''' """"" """" '''''''''','' 6
<br />2,3, I, Existing Data""""""",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,'" 6
<br />2.3,2, Field Investigation """"""""",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"""," 6
<br />2.3.3, Human Impacts on River Geomorphology"""""""""",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 6
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<br />2,3,4, Channel Stability """.""",,,,,,,, '" ""","""""'''''''''''''''''''''''''''''''''''''''''''''''''''' 7
<br />2,3,5, Tailings Entrainment Potential """"""""""",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 7
<br />2,3,6, Conceptual Rehabilitation Alternatives """"""'""" " """ " """''' """ " " "" " " " 7
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<br />3, Historic Impacts: Mining, Flow Augmentations, and Project Reach Land Use"""",g
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<br />3,1, Mining Impacts """""""""""""""""""""""'"'''''''''''''''''''''''''''''''''''''''''''''''''''''' g
<br />3,2, Flow Diversions and Augmentations""",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 9
<br />3,2, I, The Diversion! Augmentation System"""",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 9
<br />3,2,2, Hydrologic Effects, "."""" """'''''''' ,""""'''''''',,'' "'''''''' ,.",,, ''','' "" '" '''''''' '"'' 9
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<br />3.3, Land Use ""'"'''''''''''''''''''''''''''''''''' ,,,,,,,,,,,,,,,,,,,.,,,,,,,,,,,,,,,,,,,, """''','''''''''''''''''''' 13
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<br />4, Physical Characteristics of the Upper Arkansas River Basin """"""",,,,,,,,,,,,,,,,,,,,,.22
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<br />4,1, Geologic Setting"""""""""""",,,,,,.,,,,,,,,,,,.,,,,,,,,,,,,,,,,,,,,,,,,,,,,",,,,,,,,,,,,,,,,,,,,,,,,,,, 22
<br />4.2, General Geomorphic Characteristics of Study Reach ,"""""""""","""""""""" 22
<br />4,2, L Subreach 1: Upstream of California Gulch (RM 10,9-12) "",,""'''''''''''''''' 22
<br />4,2,2, Subreach 2: California Gulch to Lake Fork (RM 9,2-10,9),,,,,,,,,,,,,,,,,,,,,,,,, 24
<br />4.2.3, Subreach 3: Lake Fork to Railroad Bridge (RM 7,0-9,2)"""",,,,,,,,,,,,,,,,,,,,. 27
<br />4,2.4. Subreach 4: Railroad Bridge to Hwy 24 Bridge (RM 5.5-7,0)"""""""""" 27
<br />4,2,5, Subreach 5: Hwy 24 Bridge to Big Union Creek (RM 3.3-5.5)"",,,,,,,,,,,,,, 30
<br />4,2,6, Subreach 6: Big Union Creek to Hwy 55 Bridge (RM 2.1-3.3)""""""""" 30
<br />4,2,7, Subreach 7: Hwy 55 Bridge to Bedrock Constriction (RM 0-2.1).""""",,, 30
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<br />5, Sedimentology of Upper Arkansas River """""",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,33
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<br />6, Geomorphic Evolution of Project Reach "",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,35
<br />6, L The Stable Channel Balance """""",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,35
<br />6,2, Influence of Flow Augmentations on Channel Dynamics"",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 36
<br />6.3, Historic Changes in Upper Arkansas River Morphology""""",,,,,,,,,,,,,,,,,,,,,,,,,,, 37
<br />6.3, L Sinuosity and Split Flow"""""",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 37
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<br />6,3,2, Cross-section,,,, "" '"'' """"'" ,,,.,,,,,,,, ,,,, "" '''' '"'' '",''''''''' "" '" ",," '''' '" '" '" '"'' 40
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<br />May 7.1999
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<br />Fluvial Geomorphological Assessment
<br />Upper Arkansas River
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