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Comparisons of water quality and biological variables from Colorado River shoreline habitats in Grand Canyon, Arizona, under steady and fluctuating discharges from Glen Canyon Dam [[electronic resource] /] / by Barbara E. Ralston, Matthew V. Lauretta, and Theodore A. Kennedy ; Grand Canyon Monitoring and Research Center, in cooperation with SWCA Environmental Consultants, Inc
| Comparisons of water quality and biological variables from Colorado River shoreline habitats in Grand Canyon, Arizona, under steady and fluctuating discharges from Glen Canyon Dam [[electronic resource] /] / by Barbara E. Ralston, Matthew V. Lauretta, and Theodore A. Kennedy ; Grand Canyon Monitoring and Research Center, in cooperation with SWCA Environmental Consultants, Inc |
| Autore | Ralston Barbara E |
| Edizione | [Version 1.0.] |
| Pubbl/distr/stampa | Reston, Va. : , : U.S. Geological Survey, , 2007 |
| Descrizione fisica | 30 pages : digital, PDF file |
| Altri autori (Persone) |
LaurettaMatthew V
KennedyTheodore A |
| Collana | Open-file report |
| Soggetto topico |
Dams - Environmental aspects - Arizona - Grand Canyon
Rivers - Regulation - Environmental aspects - Arizona - Grand Canyon Water quality biological assessment - Arizona - Grand Canyon |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910696274503321 |
Ralston Barbara E
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| Reston, Va. : , : U.S. Geological Survey, , 2007 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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River resource management in the Grand Canyon [[electronic resource] /] / Committee to Review the Glen Canyon Environmental Studies, Water Science and Technology Board, Commission on Geosciences, Environment, and Resources, National Research Council
| River resource management in the Grand Canyon [[electronic resource] /] / Committee to Review the Glen Canyon Environmental Studies, Water Science and Technology Board, Commission on Geosciences, Environment, and Resources, National Research Council |
| Pubbl/distr/stampa | Washington, D.C., : National Academy Press, 1996 |
| Descrizione fisica | 1 online resource (242 p.) |
| Disciplina | 333.91/14/097913 |
| Soggetto topico |
Dams - Environmental aspects - Arizona - Grand Canyon
Rivers - Regulation - Arizona - Grand Canyon |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-280-19226-7
9786610192267 0-309-58902-9 0-585-09930-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910456104603321 |
| Washington, D.C., : National Academy Press, 1996 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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River resource management in the Grand Canyon / / Committee to Review the Glen Canyon Environmental Studies, Water Science and Technology Board, Commission on Geosciences, Environment, and Resources, National Research Council
| River resource management in the Grand Canyon / / Committee to Review the Glen Canyon Environmental Studies, Water Science and Technology Board, Commission on Geosciences, Environment, and Resources, National Research Council |
| Pubbl/distr/stampa | Washington, D.C., : National Academy Press, 1996 |
| Descrizione fisica | 1 online resource (xvi, 226 pages) : illustrations, maps, charts |
| Disciplina | 333.91/14/097913 |
| Soggetto topico |
Dams - Environmental aspects - Arizona - Grand Canyon
Rivers - Regulation - Arizona - Grand Canyon |
| ISBN |
0-309-17572-0
1-280-19226-7 9786610192267 0-309-58902-9 0-585-09930-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910778657103321 |
| Washington, D.C., : National Academy Press, 1996 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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River resource management in the Grand Canyon / / Committee to Review the Glen Canyon Environmental Studies, Water Science and Technology Board, Commission on Geosciences, Environment, and Resources, National Research Council
| River resource management in the Grand Canyon / / Committee to Review the Glen Canyon Environmental Studies, Water Science and Technology Board, Commission on Geosciences, Environment, and Resources, National Research Council |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Washington, D.C., : National Academy Press, 1996 |
| Descrizione fisica | 1 online resource (xvi, 226 pages) : illustrations, maps, charts |
| Disciplina | 333.91/14/097913 |
| Soggetto topico |
Dams - Environmental aspects - Arizona - Grand Canyon
Rivers - Regulation - Arizona - Grand Canyon |
| ISBN |
9786610192267
9780309175722 0309175720 9781280192265 1280192267 9780309589024 0309589029 9780585099309 0585099308 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
River Resource Management in the GRAND CANYON -- Copyright -- Preface -- Contents -- Executive Summary -- WORK OF THE NRC COMMITTEE -- OBJECTIVES AND DESIGN OF THE GCES -- RESULTS OF THE GCES -- Operations of Glen Canyon Dam -- Sediment and Hydrology -- Biological Resources -- Recreation -- Hydropower Economics -- Cultural Resources -- Institutional Influences on the GCES -- Nonuse Values -- ACHIEVEMENTS OF GCES -- LIST OF NRC REPORTS -- 1 Introduction and Background -- ROLE OF THE NRC -- REFERENCES -- 2 Scope and Organization of the Glen Canyon Environmental Studies -- INTRODUCTION -- SCOPE AS DEFINED BY MANAGEMENT OPTIONS, RESOURCES, AND THE ECOSYSTEM CONCEPT -- Management Options -- Resources -- The Ecosystem Perspective -- OTHER INFLUENCES ON THE SCOPE OF GCES -- Administrative Policy -- Law and Politics -- ORGANIZATION OF THE STUDY GROUP -- CONCLUSIONS -- REFERENCES -- 3 Historical Context for Long-Term Management of Glen Canyon Dam -- HISTORY OF GRAND CANYON NATIONAL PARK -- Introduction -- Predesignation History -- Designation as a Park -- Role of the Colorado River in the Park: Conduit Between Upper and Lower Basins -- FUTURE BASIS FOR MANAGEMENT OF GRAND CANYON RESOURCES -- Intergenerational Equity -- Simulated Naturalness -- REFERENCES -- 4 Operation of Glen Canyon Dam -- INTRODUCTION -- HYDROLOGY THROUGH THE GRAND CANYON -- Hydrology Prior to Construction of Glen Canyon Dam -- Hydrology Following Closure of the Dam -- Tributary Inflows Below the Dam -- Hydrological Regimes During the GCES Research Periods -- Travel Time Through Grand Canyon -- OPERATING RULES FOR GLEN CANYON DAM -- Seasonal and Annual Operations -- Formal Description of Operating Rules -- Monthly and Annual Releases -- Daily and Hourly Operations -- Daily Operations -- Experience with Interim Flows and Exception Criteria -- EIS Preferred Alternative.
Beach/Habitat-Building Flows -- Operational Constraints on Experimental Floods -- WATER SUPPLY ABOVE THE DAM -- Water Balance In Lake Powell -- Upper-Basin Depletions -- Evaporation Loss -- Storage in Lake Powell -- Flood Control -- Current Rules Related to Floods -- Flood Control Changes Recommended in EIS -- Reregulating Dam -- Summary -- RECOMMENDATIONS -- REFERENCES -- 5 Sediment and Geomorphology -- WHY SEDIMENT AND GEOMORPHOLOGY ARE IMPORTANT -- Amount of Sediment Is Not a Problem in the Grand Canyon -- Management of Sediment -- Rapids -- Sand as Substrate -- SEDIMENT STUDIES OF GCES PHASE I -- Bureau of Reclamation Model -- Early Assumptions Concerning Sediment Movement -- Coordination and Communication -- Leadership for GCES -- NRC Committee Recommendations After GCES I -- WHAT IS NEEDED CONCERNING SEDIMENT AND GEOMORPHOLOGY -- Sediment Budget -- Sediment Budget by Reach -- Sand Distribution Between Main Channel and Beaches -- Flood Waves -- U.S. Geological Survey Effort on Sediment Modeling -- USGS Effort on Eddy Modeling -- Linking of Sediment Modeling and Eddy Modeling -- NAU Beach and Bar Studies -- WHERE WE STAND NOW -- RECOMMENDATIONS -- REFERENCES -- 6 Organisms and Biological Processes -- INTRODUCTION -- LAKE POWELL -- Characteristics of Lake Powell -- Influence of Dam Operations on the Lake -- Overview of Lake Studies -- Changes in the River Caused by the Dam -- THE COLORADO RIVER BETWEEN GLEN CANYON DAM AND THE PARIA RIVER -- Primary Producers and Their Metabolism -- THE COLORADO RIVER FROM THE PARIA RIVER TO LAKE MEAD -- Physical Characteristics -- Overview of Communities -- Aquatic Habitats -- Humpback Chub -- Other Fishes -- Tributaries -- Biotic Interactions -- Overview of Biotic Studies on the Main Stem -- THE RIPARIAN ZONE -- OUTCOMES OF BIOLOGICAL STUDIES -- REFERENCES -- 7 Recreation and Nonuse Values. THE ROLE OF ECONOMIC VALUES IN GCES AND THE EIS -- Use and Nonuse Values Defined -- Measurement of Nonuse Values -- OVERVIEW OF RECREATIONAL USES -- Fishing in Glen Canyon -- Fishing in Grand Canyon -- Day Rafting -- White-Water Boating -- Recreation at Lakes Powell and Mead -- Recreation and Native American Tribes -- ECONOMIC EFFECTS OF DAM OPERATION ON RECREATION -- Background on Economic Methods Used -- Economic Effects of Dam Operations on Anglers -- Economic Effects of Dam Operations on Day Rafting -- Economic Effects of Dam Operations on White-Water Boating -- Economic Impacts of Dam Operations on Native American Tribes -- SUMMARY OF EFFECTS OF DAM OPERATIONS ON RECREATION -- STUDIES OF NONUSE VALUE -- SUMMARY -- REFERENCES -- 8 Cultural Resources -- NATIVE AMERICANS IN THE GRAND CANYON REGION -- Overview of Present Residents -- Historical Perspective -- Background Information on the Six Tribes -- Hualapai -- Havasupais -- Southern Paiute Consortium -- Hopis -- Navajos -- Zunis -- ARCHAEOLOGICAL STUDIES -- ETHNOGRAPHIC STUDIES -- Perspectives on Ethnography -- Sacred Sites -- The Hualapai Tribe -- Southern Paiute -- Hopi -- Navajo -- Zuni -- Perspective on Tribal Studies -- SUMMARY -- RECOMMENDATIONS -- REFERENCES -- 9 Power Economics -- INTRODUCTION -- FLOWS AFFECT ELECTRICAL OUTPUT AND COSTS -- THE INSTITUTIONAL CONTEXT -- COST ESTIMATES FOR ALTERED FLOW REGIMES -- RECOMMENDATIONS -- REFERENCES -- 10 Institutional Influences on the Glen Canyon Environmental Studies -- INSTITUTIONAL STRUCTURE OF GCES -- INTERAGENCY CONFLICT IN THE EVOLUTION OF GCES -- GOAL SUBSTITUTION BY AGENCIES WORKING FOR GCES -- EXTERNAL REVIEW - GCES AND THE NRC -- THE ROLE OF FUNDING IN GCES -- TIME CONSTRAINTS IN GCES RESEARCH -- FUTURE INSTITUTIONS -- RECOMMENDATIONS -- REFERENCES -- 11 Lessons of the Glen Canyon Environmental Studies -- INTRODUCTION. ELEMENTS OF A USEFUL ECOSYSTEM ANALYSIS -- The Planning Sequence -- Review of Existing Information -- Definition of Scope -- Using What Is Already Known -- Implementation of the Plan -- Formation of the Study Group -- Contracting and Project Leadership -- Outside Advice -- Achievements and Dissemination of Information -- Reference to Final Objectives -- Budgetary Continuity -- COMPLETION AND ANTICIPATION OF FUTURE NEEDS -- Synthesis -- Archiving for the Future -- Continuity into the Future -- ACHIEVEMENTS OF GCES -- Important Discoveries of GCES -- Recognition of the Need for Comprehensive Environmental Studies -- Adaptive Management and Long-Term Monitoring -- External Expertise and Review -- A HOPEFUL VIEW OF THE FUTURE -- REFERENCES -- Appendix A Biographical Sketches of Committee Members -- NATIONAL RESEARCH COUNCIL STAFF. |
| Record Nr. | UNINA-9910965907403321 |
| Washington, D.C., : National Academy Press, 1996 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Status and trends of resources below Glen Canyon Dam update, 2009 [[electronic resource] /] / John F. Hamill
| Status and trends of resources below Glen Canyon Dam update, 2009 [[electronic resource] /] / John F. Hamill |
| Autore | Hamill John F (John Francis), <1950-> |
| Pubbl/distr/stampa | [Reston, Va.] : , : U.S. Dept. of the Interior, U.S. Geological Survey, , 2009 |
| Descrizione fisica | 1 online resource (4 unnumbered pages) : color illustrations |
| Collana | USGS fact sheet |
| Soggetto topico |
Dams - Environmental aspects - Colorado River (Colo.-Mexico)
Dams - Environmental aspects - Arizona - Grand Canyon |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910698846203321 |
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Hamill John F (John Francis), <1950->
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| [Reston, Va.] : , : U.S. Dept. of the Interior, U.S. Geological Survey, , 2009 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Water-temperature data for the Colorado River and tributaries between Glen Canyon Dam and Spencer Canyon, northern Arizona, 1988-2005 [[electronic resource] /] / by Nicholas Voichick and Scott A. Wright
| Water-temperature data for the Colorado River and tributaries between Glen Canyon Dam and Spencer Canyon, northern Arizona, 1988-2005 [[electronic resource] /] / by Nicholas Voichick and Scott A. Wright |
| Autore | Voichick Nicholas |
| Edizione | [Version 1.0.] |
| Pubbl/distr/stampa | Reston, Va. : , : U.S. Geological Survey, , 2007 |
| Descrizione fisica | 1 electronic text (iv, 24 pages) : digital, PDF file |
| Altri autori (Persone) | WrightScott A |
| Collana | Data series |
| Soggetto topico |
Water temperature - Colorado River (Colo.-Mexico)
Water temperature - Arizona - Grand Canyon Dams - Environmental aspects - Colorado River (Colo.-Mexico) Dams - Environmental aspects - Arizona - Grand Canyon |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910696337703321 |
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Voichick Nicholas
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| Reston, Va. : , : U.S. Geological Survey, , 2007 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Soggetto topico
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Dams - Environmental aspects - Arizona - Grand Canyon
(6)
- Rivers - Regulation - Arizona - Grand Canyon (3)
- Dams - Environmental aspects - Colorado River (Colo.-Mexico) (2)
- Rivers - Regulation - Environmental aspects - Arizona - Grand Canyon (1)
- Water quality biological assessment - Arizona - Grand Canyon (1)