Chris Holmquist-Johnson - USGS

Aquatic Systems

Hydrologist

Duty Station:
Fort Collins Science Center
2150 Centre Ave
Bldg C
Fort Collins, CO 80525

Phone: 970-226-9382
Fax: 970.226.9230
Email: h-johnsonc@usgs.gov

Current Research

• Water Management Studies
• Raven (A) small Unmanned Aircraft System (sUAS) Test Flights
• Evaluation and Testing of PHABSIM for Windows 7

Publications

• Sensitivity analysis of data collection and aquatic habitat modeling techniques utilized at the Fort Collins Science Center [Poster]
• New Developments in Instream Flow Science and Tools at the Fort Collins Science Center [Poster]
• High throughput computing: A solution for scientific analysis
• Channel maintenance and flushing flows for the Klamath River below Iron Gate Dam
• Development and application of a decision support system for water management investigations in the upper Yakima River, Washington
• Bureau of Reclamation Automated Modified Einstein Procedure (BORAMEP) Program for Computing Total Sediment Discharge
• Numerical analysis of the performance of river spanning rock structures: Evaluating effects of structure geometry on local hydraulics
• Relation between streamflow of Swiftcurrent Creek, Montana, and the geometry of passage for Bull Trout (Salvelinus confluentus)
• River Spanning Rock Structures Field Investigations 2008
• Qualitative Evaluation of Rock Weir Field Performance and Failure Mechanisms
• Rock Ramp Design Guidelines
• Application of GSTAR-1D Sediment Transport Model on the Middle Rio Grande, NM – San Acacia Diversion Dam to Elephant Butte Reservoir
• Bureau of Reclamation Automated Modified Einstein Procedure (BORAMEP) Program for Computing Total Sediment Load
• Sediment Model for the Middle Rio Grande – Phase 1, San Acacia Diversion Dam to Elephant Butte Reservoir
• Computational methods for determining effective discharge in the Yazoo River Basin, Mississippi
• Computational Methods for Determining Effective Discharge in the Yazoo River Basin, Mississippi
• Development of design criteria for siting and spacing of grade control structures, Phase I
• Planning and Management Considerations for a Stream Field Reconnaissance
• Demonstration erosion control monitoring sites: 1999 evaluation