Graham Matthews & Associates services

Stream and Watershed Restoration Design, Implementation, and Monitoring: Development of stream restoration projects emphasizing geomorphic considerations and management goals; Civil engineering services for survey and design using state of the art survey equipment and AutoCAD 2010 Civil 3D software; Detailed topographic mapping of project sites includes bathymetric mapping; Construction management, inspection, documentation, project monitoring, and as-built surveys; and Pre and post project monitoring to assess implementation.

Hydrologic/Geomorphic Data Collection, Analysis, and Modeling: Installation and operation of monitoring stations for streamflow and other hydrologic and climatic parameters; Streamflow measurements and discharge rating curves; Acoustic Doppler Current Profiler (ADCP) for discharge, velocity profiling, and bathymetric surveys; Sediment transport: suspended sediment and bedload; Remote sensing mapping and interpretation; Computer modeling and analysis of open channel, riverine, wetland and estuarine systems using 1-d and 2-d models; and Computer modeling and analysis of hydrologic systems, including terrain analysis utilizing ESRI ArcMap 9.3 software.

Geologic Investigation & Engineering Geology: Geologic surveys and analyses related to landslide hazards, sediment budgets, erosion control, surface and groundwater quantity and quality, fluvial geomorphology, and watershed restoration. Landslide inventory and risk assessment; Landslide stabilization design, inspection, and monitoring; Grading plan design, inspection, and review; Geologic input: road construction, maintenance, and decommissioning; Geologic input: timber harvest plans and mine plan of operations; Bridge and culvert flood capacity and scour design; Erosion control plan development, inspection, implementation, and review; and Environmental analysis and documentation for CEQA, NEPA, and other permits.