Streamflow Measurement

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Presentation transcript:

Streamflow Measurement Figure 1-14

Acoustic Doppler Current Profiler From Mays, 2011, Ground and Surface Water Hydrology

From Mays, 2011, Ground and Surface Water Hydrology

fig_12_09 From Mays, 2011, Ground and Surface Water Hydrology

From Mays, 2011, Ground and Surface Water Hydrology

From Mays, 2011, Ground and Surface Water Hydrology

From Mays, 2011, Ground and Surface Water Hydrology

From Mays, 2011, Ground and Surface Water Hydrology

fig_12_08a From Mays, 2011, Ground and Surface Water Hydrology

From Mays, 2011, Ground and Surface Water Hydrology

From Mays, 2011, Ground and Surface Water Hydrology

Data from April 11, 2012 From http://waterdata.usgs.gov/nwis/ 2450 cfs in 1907 2000 cfs in 1916 1980 cfs in 1899 1980 cfs in 1984 1970 cfs in 1986

SNOTEL http://www.wcc.nrcs.usda.gov/snow/ http://www.cbrfc.noaa.gov/station/sweplot/sweplot.cgi?tglu1

SNOTEL Stations Near Logan

http://www.cbrfc.noaa.gov/

http://www.cbrfc.noaa.gov/product/peak/peak.php

NOAA AHPS Forecasts http://water.weather.gov/ahps/

April 19, 2011 From http://waterdata.usgs.gov/nwis/

SNOTEL Data From http://www.wcc.nrcs.usda.gov/snow/

http://www.cbrfc.noaa.gov/ 1982 (gray) 2011 (green) 2006 (navy) 1997 (light blue) 1984 (light yellow) 1986 (pink) Peak Floods 1740 cfs in 1997 1980 cfs in 1984 1530 cfs in 2006 1970 cfs in 1986 1330 cfs in 1982 http://www.cbrfc.noaa.gov/

March 25 Quick 2011 Peak Runoff Prediction 1622 +- 540 cfs (95% confidence interval) 2011-06-25 1710 cfs X=51.8 in Y=1622 cfs Var of Y 219657 cfs2 MSE = (1-R2)Var RMSE = 270 (1 std dev error) 95% CI = 2 RMSE =+-540 cfs 2450 cfs in 1907 2000 cfs in 1916 1980 cfs in 1899 1980 cfs in 1984 1970 cfs in 1986

April 18 Quick Peak Runoff Prediction X=62.3 in Y=1798 cfs Var of Y 219657 cfs2 MSE = (1-R2)Var RMSE = 257 (1 std dev error) 95% CI = 2 RMSE =+-515 cfs 2011-06-25 1710 cfs 1984 1986 2006 1997 1982 2450 cfs in 1907 2000 cfs in 1916 1980 cfs in 1899 1980 cfs in 1984 1970 cfs in 1986 1740 cfs in 1997 1530 cfs in 2006 1330 cfs in 1982

http://water.weather.gov/ahps2/ 2011-06-25 1710 cfs

http://water.weather.gov/ahps2/ 2011-06-25 1710 cfs

2011-06-25 1710 cfs

2011-06-25 1710 cfs

April 11, 2012 Prediction