The Regulation of Peace River : A Case Study for River Management.

Intro -- The Regulation of Peace River -- Contents -- Contributing authors -- Preface -- 1 On regulated rivers -- 1.1 Setting a context -- 1.2 Peace River -- 1.3 Some precedents -- 1.4 The program -- References -- 2 The regulation of Peace River -- 2.1 Introduction -- 2.2 Hydrology -- 2.2.1 Hydrography and runoff sources -- 2.2.2 Climate and runoff -- 2.2.3 Flood regime -- 2.2.4 Competent flows -- 2.3 Sediment transport -- 2.3.1 Suspended sediment in the upper river -- 2.3.2 Suspended sediment in the lower river -- 2.3.3 The suspended sediment record at the Town of Peace River -- 2.3.4 Bedload -- 2.4 Discussion and conclusions -- Acknowledgments -- References -- 3 Downstream channel gradation in the regulated Peace River -- 3.1 Introduction -- 3.2 Reach description -- 3.3 Methods -- 3.3.1 Cross-sections -- 3.3.2 Specific gauge -- 3.3.3 Planform analysis -- 3.3.4 Tributary confluence effect -- 3.4 Observations -- 3.4.1 Cross-sections -- 3.4.2 Specific gauge -- 3.4.3 Planform analysis -- 3.4.4 Confluences -- 3.5 Discussion -- 3.5.1 Absence of channel degradation -- 3.5.2 Spatial variability of channel gradation -- 3.5.3 Channel cross-sectional morphology -- 3.5.4 Confluences -- 3.5.5 Channel gradation and planform change: implications for channel gradient -- 3.6 Conclusions -- Acknowledgments -- References -- 4 Tributary channel gradation due to regulation of Peace River -- 4.1 Introduction -- 4.2 Study sites -- 4.3 Potential tributary gradation -- 4.4 Methods -- 4.4.1 Air photo interpretation -- 4.4.2 Surveying -- 4.4.3 Dendrochronology -- 4.4.4 Specific gauge analysis -- 4.5 Observations -- 4.5.1 Farrell Creek -- 4.5.2 Halfway River -- 4.5.3 Moberly River -- 4.5.4 Pine River -- 4.5.5 Beatton River -- 4.5.6 Kiskatinaw River -- 4.5.7 Alces River -- 4.5.8 Hines Creek -- 4.5.9 Smoky River -- 4.5.10 Summary of channel gradation observations.

4.6 Discussion -- 4.6.1 Timing and fates of channel gradation -- 4.6.2 Tributary gradation pattern downstream -- 4.7 Conclusions -- Acknowledgments -- References -- 5 The hydraulic geometry of Peace River -- 5.1 Introduction -- 5.2 Hydraulic geometry -- 5.3 Methods -- 5.4 At-a-station hydraulic geometry -- 5.4.1 Peace River at Taylor, British Columbia (WSC Stn. 07FD002) -- 5.4.2 Peace River at Alces River, British Columbia (WSC Stn. 07FD010) -- 5.4.3 Peace River at Dunvegan Bridge (WSC Stn. 07FD003) -- 5.4.4 Peace River at Carcajou (WSC Stn. 07HD001) -- 5.4.5 Peace River at Fort Vermilion (WSC Stn. 07HF001) -- 5.4.6 Hydraulic geometry at WSC Stn. 07KC001, Peace River at Peace Point -- 5.4.7 Summary on at-a-station hydraulic geometry -- 5.5 Downstream hydraulic geometry -- 5.5.1 Formative flows -- 5.5.2 Downstream changes -- 5.6 Resistance to flow -- 5.7 Some tests for channel pattern -- 5.8 Discussion -- 5.9 Conclusions -- Acknowledgments -- References -- 6 Ice on Peace River: effects on bank morphology and riparian vegetation -- 6.1 Introduction -- 6.2 The ice regime -- 6.2.1 An introduction to river ice -- 6.2.2 Ice on Peace River -- 6.3 Methods -- 6.3.1 River datum -- 6.3.2 Vegetation damage -- 6.3.3 Riparian vegetation -- 6.3.4 Bank morphology and sedimentary features -- 6.4 Ice-jam location, magnitude, and frequency from the scar record -- 6.4.1 Location and magnitude of ice jams -- 6.4.2 Frequency of ice jams -- 6.5 Sediment scour and deposition by ice -- 6.5.1 Bar and bank scour -- 6.5.2 Depositional features -- 6.6 Bank morphology -- 6.7 Effects of ice on riparian vegetation -- 6.8 Conclusions -- Acknowledgments -- References -- 7 Post-regulation morphological change on Peace River -- 7.1 Introduction -- 7.2 Study reaches -- 7.3 Methods -- 7.4 Characteristic patterns of morphological change -- 7.5 Reach-wide trends of morphological change.

7.5.1 Channel width -- 7.5.2 Bar and island development -- 7.5.3 Erosion and deposition -- 7.6 The spatial pattern of morphological change -- 7.7 Factors controlling channel change -- 7.8 Discussion -- 7.9 Conclusions -- Acknowledgments -- References -- 8 Studies of riparian vegetation along Peace River, British Columbia -- 8.1 Introduction -- 8.2 Study area -- 8.3 Methods -- 8.3.1 Initial air photo mapping, ground checking, and site selection -- 8.3.2 Photo identification of plant communities -- 8.3.3 Vegetation mapping from sequences of black and white images -- 8.3.4 Field sampling -- 8.3.5 Species identification -- 8.3.6 Map data -- 8.4 A model of riparian succession and variations -- 8.4.1 Internal change: temporal succession -- 8.4.2 Verification of the successional model by air photo analysis -- 8.4.3 A spatial model of riparian succession -- 8.4.4 Externally generated change: effects of normal fluvial processes -- 8.5 Analysis: field study data -- 8.5.1 Plot data -- 8.5.2 Historical data -- 8.6 Analysis: reach-wide data -- 8.7 Discussion -- 8.8 Conclusions -- Acknowledgments -- References -- 9 The response of riparian vegetation to flow regulation along Peace River, Alberta -- 9.1 Introduction -- 9.2 Study area -- 9.3 Mapping methods -- 9.4 Riparian succession on Peace River -- 9.5 Analysis -- 9.5.1 Total and proportional area -- 9.5.2 Transitions -- 9.5.3 Adjacency -- 9.5.4 Evenness -- 9.6 Discussion -- 9.7 Conclusions -- Acknowledgments -- References -- 10 The floods of 1990 and 1996 on Peace River -- 10.1 Introduction -- 10.2 The hydrology of the floods -- 10.2.1 The storm and flood of June 1990 -- 10.2.2 The 1996 emergency release flood -- 10.2.3 Flood frequency -- 10.3 Flood gradation -- 10.4 Morphological changes -- 10.5 Geomorphological effectiveness: British Columbia reach -- 10.6 Geomorphological effectiveness: Alberta reach.

10.7 Conclusions -- Acknowledgment -- References -- 11 The future state of Peace River -- 11.1 Introduction -- 11.2 Modeling approach -- 11.3 Results -- 11.3.1 Observed changes in channel width -- 11.3.2 Observed changes in channel pattern -- 11.3.3 Predicted channel changes: single thread widths -- 11.3.4 Predicted channel changes: channel pattern -- 11.3.5 A test for consistency -- 11.4 Time scales for channel adjustment -- 11.5 Conclusions -- Acknowledgments -- References -- 12 Implications for river management -- Acknowledgment -- References -- Appendix: data files online -- Index -- EULA.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2024. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.