The Geomorphic Response of Rivers to Dams: Biological Objectives Tied to Physical Processes

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Presenter: Scott McBain
Length: 4 Parts

View: Part 1 | Part 2 | Part 3 | Part 4

       Topics:

       Part 1

• Introduction
• Presentation Outline
• Historical Perspective
• Conceptual theme- from Ligon- et al- 1995 (BioScience)
• Conceptual Framework of Geomorphic and Biotic Relationships
• Conceptual Approach at Assessing Geomorphic Impacts on Biota

       Part 2

• Resulting Priority Hypotheses
• Conceptual Framework of Geomorphic and Biotic Relationships
• Developing Hypotheses on Causal Mechanisms
• Attributes of Alluvial River Integrity
• Attributes of Alluvial River Integrity cont...
• The Alternate Bar is a Foundation of a Complex Alluvial Channel
• So What Creates and Maintains a Complex Channel Morphology
  
• Hydrograph Component Analysis

       Part 3

• Hydrology-- Inter-annual variability
• Hydrology-- Inter-annual variability cont...
• Different Water Years Provide Different Ecological Functions
• Describing Intra-Annual Variability

       Part 4

• Intra-Annual Variability
• Intra-Annual Variability Cont.
• Hydrograph Components
• Hydrograph Functions
• Spring Seeders
• Spring Opportunity
• Hydrograph Components Cont.
• Low Baseflows
• Low Baseflow Graph
• Variable Flows
• Variable Flows Graph
• Summary
• Cautions
• Musings and Suggestions
• Challenges and Benefits
• Pretty Picture

These presentations were produced by Michael J. Furniss and Jeff Guntle, of the US Forest Service, PNW and PSW Research Stations.
US Forest Service, Pacific Northwest Research Station, Pacific Southwest Research Station, Stream Systems Technology Center