Updated: 4/6/21

GLEN CANYON DAM ADAPTIVE MANAGEMENT PROGRAM

TECHNICAL WORK GROUP MEETING

APRIL 13-14, 2021 

WEBINAR

https://rec.webex.com/rec/j.php?MTID=md2f5a7402fb530313caecdd5084bd6a3

Phone #: 415-527-5035 · Participant Passcode: 199 039 2276

Meeting Number: 199 039 2276 · Meeting Password: TWG1

FINAL AGENDA

STARTS AT 9:00 a.m. Pacific Daylight Time (PDT)

START

TIME

(Duration)

Tuesday, April 13, 2021 

Topic, Presenter, and Purpose

9:00

Pacific 

Time

(:45) 

Welcome and Administrative: Seth Shanahan, Technical Work Group (TWG) Chair 

 Introductions and Determination of Quorum (16 members)

 Adoption of Prior Meeting Minutes 

 Next Meeting Date(s): June 16-17, 2021

 Ad Hoc Group Membership and Updates 

 Review Action Items, Motions, and Votes Form 

 Update on Program Funding

 NPS Vegetation Plan Update

 Update on Activities Impacted Due to COVID-19 Restrictions 

 Update on Monitoring and Research Trips to Occur From Today Until Next Meeting 

 Updates on Items of Interest That Are in Consideration for Implementation Before Next TWG 

Meeting

9:45

(:15)

TWG Vice-Chairperson Election Due to Mid-Year Vacancy and Announcement of Clarence Fullard 

as Reclamation Vice-Chairperson: Seth Shanahan, TWG Chair

 Q&A, discussion, and action (15 minutes)

10:00

(:30) 

Fiscal Year 2 Budget Discussion and Consideration of Directing the Budget Ad Hoc Group to 

Develop Budget Prioritization Criteria for the TWG: Seth Shanahan, TWG Chair

 Q&A and discussion (30 minutes)

10:30

(:15)

BREAK

10:45

(:45)

Update on Hydrology, Operations, and Water Quality Conditions: Heather Patno, Bureau of 

Reclamation (Reclamation)

 Presentation (30 minutes)

 Q&A and discussion (15 minutes)

11:30

(:30)

Progress on Evaluating Temperature Control Methods: Results from a Technology Search: Connie 

Svoboda, Reclamation

 Presentation (20 minutes)

 Q&A and discussion (10 minutes)

12:00

(:45)

LUNCH
Updated: 4/6/21

START

TIME

(Duration)

Tuesday, April 13, 2021 

Topic, Presenter, and Purpose

12:45

(:30)

Consideration of Developing a Low Dissolved Oxygen Response Plan if Concentrations are 

Projected to Warrant Concern in 6-Months: Seth Shanahan, TWG Chair

 Q&A and discussion (30 minutes)

1:15

(:45)

Distribution and Impacts of Benthic and Hyporheic Anoxia on the Colorado River Ecosystem 

Downstream From Glen Canyon Dam, Arizona, USA: Courtney McDaniel, State University of New

York College at Brockport (invited), et al. 

 Presentation (30 minutes)

 Q&A and discussion (15 minutes)

2:00

(:15) BREAK

2:15

(:30)

Discussion About Possible Experimental and Management Actions That May be Implemented in 

the Next 12 Months and Any Budgeting Issues: Clarence Fullard, Reclamation; and Mike Moran, 

Grand Canyon Monitoring and Research Center (GCMRC)

 Presentation (15 minutes)

 Q&A and discussion (15 minutes)

2:45

(:45)

Panel Discussion – Are There Important Resource Outcomes That Might be Expected From a 

Potential 7.48 Million Acre-Feet Release Year in WY2022 and Are Current Plans Sufficient to 

Capitalize on This Potential Learning Opportunity?: Panel Organizer – Craig Ellsworth, Western 

Area Power Administration

 Discussion (45 minutes)

3:30

(:05) 

Public Comment

3:35 ADJOURN 
Updated: 4/6/21

GLEN CANYON DAM ADAPTIVE MANAGEMENT PROGRAM

TECHNICAL WORK GROUP MEETING

APRIL 13-14, 2021 

WEBINAR

https://rec.webex.com/rec/j.php?MTID=m5188f395c558757e231e57ed6fa46612

Phone #: 415-527-5035 · Participant Passcode: 199 173 0284

Meeting Number: 199 173 0284 · Meeting Password: TWG2

FINAL AGENDA

STARTS AT 9:00 a.m. Pacific Daylight Time (PDT)

START

TIME

(Duration)

Wednesday, April 14, 2021 

Topic, Presenter, and Purpose

9:00

Pacific 

Time

(:45) 

Welcome and Administrative: Seth Shanahan, Technical Work Group (TWG) Chair 

 Introductions and Determination of Quorum (16 members)

 Monitoring Metrics Status Update

 Incentivized Harvest Program Implementation Update

 Trout Report from Lees Ferry

 Unresolved Issues from Yesterday’s Meeting 

9:45

(:30)

Long-Term Experimental and Management Plan (LTEMP) Biological Opinion Conservation 

Measures – Triggered Activity Status and Review of the Triggers: Kerri Pedersen, Bureau of 

Reclamation (Reclamation); and Kirk Young, U.S. Fish and Wildlife Service (Service) 

 Presentation (15 minutes)

 Q&A and discussion (15 minutes)

10:15

(:45) 

The Colorado Pikeminnow Reintroduction Feasibility Study: Kim Dibble, Grand Canyon Monitoring 

and Research Center; Kirk Young, Service 

 Presentation (20 minutes)

 Q&A and discussion (25 minutes)

11:00

(:15)

BREAK

11:15

(:45) 

Spring Disturbance Flow – Initial Reports from the Field: Clarence Fullard, Reclamation; Mark 

Wimer, GCMRC; and Ted Kennedy, GCMRC

 Presentation (15 minutes)

 Q&A and discussion (30 minutes)

12:00

(:45)

LUNCH

12:45

(:45) 

Macroinvertebrate Oviposition Habitat Selectivity and Egg-Mass Desiccation Tolerances: 

Implications for Population Dynamics in Large Regulated Rivers: Scott Miller, Utah State 

University (invited)

 Presentation (30 minutes)

 Q&A and discussion (15 minutes)
Updated: 4/6/21

START

TIME

(Duration)

Wednesday, April 14, 2021 

Topic, Presenter, and Purpose

1:30

(:30)

Discussion of the Anticipated Scope of the Forthcoming Bug Flow Evaluation Document: Ted 

Kennedy, GCMRC 

Discussion (30 minutes)

2:00

(:30)

Discussion of Emerging Issues and Request for Agenda Items for Next Meeting: Seth Shanahan, 

TWG Chair

 Discussion (30 minutes)

2:30

(:05) 

Public Comment

2:35 ADJOURN