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1 Science Applications International Corporation, McLean, VA

RiverSpill: A Real-Time Emergency Response and Planning Tool William B. Samuels 1 , Rakesh Bahadur 1 , Jonathan Pickus 1 , David Amstutz 1 and Kevin McCormack 2. 1 Science Applications International Corporation, McLean, VA 2 US Environmental Protection Agency, Washington, DC.

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1 Science Applications International Corporation, McLean, VA

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  1. RiverSpill: A Real-Time Emergency Response and Planning ToolWilliam B. Samuels1, Rakesh Bahadur1, Jonathan Pickus1, David Amstutz1 and Kevin McCormack2 1 Science Applications International Corporation, McLean, VA 2 US Environmental Protection Agency, Washington, DC

  2. RiverSpill Capabilities • Downstream Tracing • Operational for the Continental US • Instantaneous and Continuous Release • Chemical and Biological Agents • Flow: Automated, User Selected, User Defined • Inclusion of Temperature in Biological Calculations • Enhanced User Control and Reporting • Additional Databases • Water Treatment Plants, Sewage Treatment Plants, Dams, RMP Locations, Railroads, HUCs • Display of Hydrologic Units • Find River Query

  3. RiverSpill Capabilities(continued) • Upstream Tracing • Operational for the Continental US • Trace by Time or Distance • Time Tracing Based on Mean or User Defined Flow • Enhanced Reporting • Feature Inventory • Query Individual Facilities • Additional Databases • Water Treatment Plants, Sewage Treatment Plants, Dams, RMP Locations, Railroads, HUCs • Display of Hydrologic Units • Find River Query

  4. Prepare Data, USGS Gages, & Reach Data C H E M I C A L C H E M I C A L CONTINOUS INSTANTANEOUS Data Processing Release Type Agent Type Agent Type BIOLOGICAL BIOLOGICAL Set Origin Point Concentration Counts/mass Agent Name Decay Rate Level of Concern Mass, Counts/mass Agent Name Decay Rate Level of Concern Concentration Agent Name Decay Rate Level of Concern Scenario Selection Calculate flow path using Network Analyst (Time and Length) Mass Agent Name Decay Rate Level of Concern NO Is PWS Present? STOP YES Flow Calculations Flow Parameters from Reach File (Can be over-written by User) Real Time Gage t (Auto Detected) Real Time Gage (User selected) Get flow, stage, temperature Calculate Velocity Factor Calculate Real Time Flow, velocity, depth, area, and time of travel Solve Dispersion-decay equation for Release Type Instantaneous Release Continuous Release Water Quality Calculations Solution Type Solution Type Non-Peak Concentration Non-Peak Concentration Peak Concentration Peak Concentration Output Display Tabular Display Tabular Display Tabular Display Tabular Display Graphical Display Graphical Display

  5. Spill Site Downstream Tracing

  6. Upstream Tracing Origin

  7. National Hydrography Dataset (NHD) Pilot Project Investigate the feasibility of integrating the NHD into RiverSpill

  8. NHD for 3 Hydrologic Units

  9. Reach File NHD

  10. ERF1 (1 segment) • Mean Flow = 506.72 cfs • Mean Velocity = 1.54 fps • NHD (55 segments) • Mean Flow = 392 cfs (range: 324 - 443) • Mean Velocity =1.2 fps (range: 1.15 - 1.23) • USGS Real-Time gages • Olentangy River at Delaware, OH (upstream gage) • Mean Flow = 306 cfs • Olentangy River at Worthington, OH (downstream gage) • Mean flow = 371 cfs

  11. Approaching Ground Truth

  12. Upstream Tracing Using NHD

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