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TABLE OF CONTENTS Fish Passages Fluvial Geomorphology GIS and Mapping Capabilities Instream Flow Analysis Plant Ecology and Wetland Science Permitting and Planning Stormwater Management Stream Restoration Planning and Design Surface Water Hydrology
Hydrologic Process Maps for Regions in Washington and Oregon Hydrologic Process Maps for Eastern Oregon Hydrologic Analyses of Ungaged Basins Flood Investigation Report on Blue Lake and Sawmill Creek, Alaska Hydrologic Investigation of the Nooksack River Intake at Plant 1, Washington Water Quality Assessments Water Resource Assessments Water Rights and Water Use Watershed Analysis Water Supply |
PROJECT DESCRIPTIONS |
Surface Water HydrologyWhatcom County Comprehensive Flood Hazard Management Plan, Lower Nooksack RiverClient: KCM, Inc. for Whatcom County Project Description: Joanne Greenberg and Karen F. Welch conducted the hydrologic analysis component of the county flood plan. This included a flood frequency analysis of the Nooksack River at Deming and Ferndale, review of previous analyses, investigation of streamflow record quality and channel stability at the gaged cross-sections, and an identification of errors and uncertainties associated with flood estimates. Hydrologic Process Maps for Regions in Washington and OregonClient: Boise Cascade Corporation Project Description: Joanne Greenberg and Karen F. Welch developed a procedure to identify dominant peak flow generating processes. The project included analysis of vast amounts of climatologic and hydrologic data. Reports and maps were developed for three regions: Western Oregon, Northeast Washington, and South Central Washington. Hydrologic Process Maps for Eastern OregonClient: Oregon Watershed Enhancement Board Project Description: Joanne Greenberg and Karen F. Welch developed a procedure to identify dominant peak flow generating processes. The project included analysis of vast amounts of climatologic and hydrologic data. Reports and maps were developed for Eastern Oregon Hydrologic Analyses of Ungaged BasinsClient: Cascades Environmental Services (now Devine Tarbell & Associates) Project Description: Joanne Greenberg and Karen F. Welch generated synthetic streamflow time series for numerous creeks in western Washington and Canada for feasibility assessments of small hydroelectric power applications. Flood Investigation Report on Blue Lake and Sawmill Creek, AlaskaClient: City and Borough of Sitka, Alaska Project Description: Karen F. Welch co-conducted a hydrologic investigation of flood flows and associated stage for Sawmill Creek below Blue Lake Hydroelectric Power Plant facilities. Flood flows downstream of the reservoir were generated and routed through the channel to determine flood stage in the lower creek near the power generating facilities. Hydrologic Investigation of the Nooksack River Intake at Plant 1, WashingtonClient: Public Utility District No. 1 of Whatcom County Project Description: Karen F. Welch co-conducted an analysis of the Nooksack River at the PUD intake. The PUD was concerned about the invert elevation of the intake and its reliability during low flow periods. The study included a low flow frequency analysis and geomorphologic interpretation of the susceptibility of the channel cross section to changes over space and time. |
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