Method for determining runoff

Details Method for determining runoff Method for determining runoff

2006-11-14

2006-11-14

McElheny, Jr., Donald (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Earth science

C702S003000, C703S009000

Reexamination Certificate

active

07136756

ABSTRACT:
A real-time hydrologic modeling system to determine the hydrologic properties a selected geographic region. In a preferred embodiment, a drainage network of individual cells is created for the geographic region. The outflow of a selected cell within the drainage network is determined by solving the runoff from cells upstream of the selected cells until the flow of all upstream cells is known. The flow value of a cell is based upon factors such as runon, infiltration, and precipitation. In another embodiment the outflow of a selected cell is determined by setting simulated flow rates to equal measured flow rates at observation points upstream of the selected cell and within the drainage network. The flow rates of cells upstream of the observation points are adjusted proportionally based on hydrologic quantities of runoff, precipitation and drainage area to determine the outflow of the selected cell.

REFERENCES:
Vieux, B.E. et al., 2002, Vflo(TM): A Real-Time Distributed Hydrologic Model, Vieux & Associates, Inc., Proc. 2nd Federal Interagency Hydrologic Modeling Conference, Las Vegas, Nevada, Jul. 28-Aug. 1, 2002, pp. 1-12.

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