Appendix G
Figures



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Downstream: Adaptive Management of Glen Canyon Dam and the Colorado River Ecosystem Appendix G Figures

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Downstream: Adaptive Management of Glen Canyon Dam and the Colorado River Ecosystem This page in the original is blank.

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Downstream: Adaptive Management of Glen Canyon Dam and the Colorado River Ecosystem Photograph of Glen Canyon Dam and Powerplant showing water release capacities of the powerplant, outlet works, and spillways.

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Downstream: Adaptive Management of Glen Canyon Dam and the Colorado River Ecosystem Glen Canyon Dam and Powerplant. From The Colorado River Through Grand Canyon: Natural History and Human Change by Steven W. Carothers and Bryan T. Brown. © 1991 The Arizona Board of Regents. Reprinted with permission by the University of Arizona Press.

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Downstream: Adaptive Management of Glen Canyon Dam and the Colorado River Ecosystem DRAFT Lake Powell Monitoring and Research Proposal1 Lake Powell Program Split Ad Hoc Group November 17, 1998 (corrected copy)—to be on 12/8/98 TWG Agenda Explanation of Change/Approach: The following approach for identifying, developing, funding and conducting monitoring and research projects above Glen Canyon Dam (GCD) reflects: the mandate within the Grand Canyon protection Act that the Adaptive Management Program (AMP) focus on effects of Secretarial actions on the Colorado River ecosystem downstream of GCD; and the opportunity to provide adequate, long-term funding commitments for these AMP programs from outside sources. All scientific activities related to Lake Powell would fit into one of the following categories with the specified funding sources: WHITE AREAS: Those AMWG MO/INs that relate to downstream (below GCD) effects and conducted downstream of GCD: Funded by the AMP Budget Scope of work reviewed and approved by AMWG/TWG Includes all appropriate MO's and IN's GCMRC protocols apply (peer review, etc.) Accomplished by GCMRC and/or its contractors GCMRC will determine its capabilities to accomplish the work within funding personnel and other contraints 1    Revised based on comments from Bruce Moore, Norm Henderson, Wayne Cook, Clayton palmer, Cliff Barrett, Bill Persons, Bill Davis, Rich Johnson, Barry Gold, Bill Vernieu, and Bob Winfree.

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Downstream: Adaptive Management of Glen Canyon Dam and the Colorado River Ecosystem GRAY AREAS: Those AMWG MO/INs that relate to downstream effects, but conducted upstream of the dam: Part of the AMP and uses AMP procedures Funded by the Reclamation; e.g., O&M budget or other sources Scope of work developed by GCMRC and coordinated with USBR and the Lake Powell Group GCMRC protocols apply with PEP review before submission to MSWG/TWG Submitted to AMWG/TWG for review and recommended adoption Accomplished by CGMRC and/or its contractors BLACK AREAS: Not directly related to downstream effects, conducted upstream of the dam: Funded by Reclamation, Lake Powell Group, or other sources Not part of AMP MO's and IN's are retained in a non-program information-desired category until next revision GCMRC protocols may not apply, cut data collection should be consistent for sharing of results Accomplished by USBR, participants in the Lake Powell Group, or others Results will be shared with GCMRC and AMWG Note: GCMRC will present proposed budget split by 12/8/98

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Downstream: Adaptive Management of Glen Canyon Dam and the Colorado River Ecosystem Figure 1 Overview of the structure of the proposed GCEM modeling shell.