PCHB08016294

Hydrus Models - Modeling Vertical Flow Through Embankment Fill ..................... 6 General Description of Hydrus ...................................................................... 6 Spatial and Temporal Discretization .............................................................. 7 Characterization of Fill as Soil ........................................................................ 8 Representation of Fill in Hydrus .................................................................. 10 Initial Moisture Conditions in Hydrus ......................................................... 11 Results of Hydrus Modeling ........................................................................ 12 Slice Models - Modeling Flow Beneath Embankment Fill ...................................... 13 General Description of Slice Models ............................................................ 138 Slices 1, 2 & 3 ............................................................................................... 14 Results of Slice Modeling ............................................................................. 14 Integration of Slice Results Over Entire Fill Areas ....................................... 15 Integrated Flow Estimates ........................................................................................ 15 Walker Creek Fill .......................................................................................... 15 Miller Creek Fill ........................................................................................... 16 Use of Integrated Flow Estimates ............................................................................ 16 For Low Streamflow Modeling .................................................................... 16 For Wetland Hydrology Assessment ........................................................... 16 Fill Infiltration Testing ............................................................................................. 17 Conclusion ................................................................................................................ 18 AR 016296 PREFILED TESTIMONY OF CHARLES ELLINGSON BROWN REAVIS & MANNING PLLC 1191 SECONDAVE., SUlTE2200 PAGE ii SEATTLE, WA 98101 (206) 292-6300 1. I have personal knowledge of the facts stated in this testimony and would be competent to testify to those facts. BACKGROUND Current Position 2. I am a principal hydrogeologist at Pacific Groundwater Group (PGG). PGG is5 a groundwater and environmental consulting firm with offices in Seattle, Tumwater, and6 Flagstaff, Arizona. My primary consulting responsibilities are managing projects related to groundwater management, supply, and contamination. Many of these projects have included groundwater modeling and other quantitative analyses. I also perform field analysis, reporting, and testimony roles on many projects. I have worked at PGG since co-founding…

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PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]