'Flood wave' diaporamas de présentation

Risk Management and Dam Safety

1.47k views • 57 slides

Usage of Satellite Precipitation Estimates by HAS Forecasters at the West Gulf RFC

Usage of Satellite Precipitation Estimates by HAS Forecasters at the West Gulf RFC. Greg Story NWS/WGRFC HAS Forecaster. Introduction . The WGRFC needs accurate mean areal precipitation in real time to make good flood forecasts.

467 views • 33 slides

Channel Flow Routing

Channel Flow Routing. Steady vs. Unsteady Flow. Steady Unsteady. Unsteady flow through channels and reservoirs. Affect of channel or reservoir storage on flow hydrographs Reduce peak flows Prolong hydrograph base times. ?. A. B. Routing Example. Affected by Slope Shape Roughness

982 views • 26 slides

A Review of the Whittenton Dam Crisis

A Review of the Whittenton Dam Crisis. David R. Vallee Hydrologist-in-Charge NWS Northeast River Forecast Center, Taunton, MA. Nicole M. Belk Senior Service Hydrologist NWS Weather Forecast Office, Taunton, MA. Objectives.

365 views • 26 slides

Dr.-Ing. K. Broich

Determination of initial conditions for dam erosion due to overtopping and possible integration into a probabilistic design concept. Dr.-Ing. K. Broich. University of the Federal Armed Forces Munich. Initial conditions Case study Monte Carlo simulation.

310 views • 17 slides

Rock Creek Canal, Montana

Rock Creek Canal, Montana. n = 0.06 d 50 = 200 mm. http://wwwrcamnl.wr.usgs.gov/sws/fieldmethods/Indirects/nvalues/. At each cross section R, S, and U were measured and Mannings equation was rearranged to solve for n n = u m (R 2/3 )(S 1/2 ) U.

188 views • 11 slides