3 edition of Analysis of flow-duration, sediment-rating curve method of computing sediment yield found in the catalog.
Published 1951 by Administrator in United States Department of Interior, Bureau of Reclamation
|Statement||United States Department of Interior, Bureau of Reclamation|
|Publishers||United States Department of Interior, Bureau of Reclamation|
|The Physical Object|
|Pagination||xvi, 101 p. :|
|Number of Pages||80|
nodata File Size: 1MB.
Rating-curve parameter estimates for both the bias-corrected, transformed-linear or non-linear models can be obtained by the method of least squares.
Guideline of Korean total daily maximum loads, Ministry of Environment in Korea, Seoul, Korea. This occurred in 2011, during which extreme drought conditions in Louisiana may have helped mitigate flooding of the ARB. Calculation of Geometric Mean for Indicator Bacteria Computed instantaneous indicator-bacteria-concentration data can be viewed using a modified 30-day moving geometric mean Eq 9. A simulation study was done to evaluate: 1 the accuracy and precision of parameter estimates for the bias-corrected, transformed-linear and non-linear models obtained by the method of least square; 2 the accuracy sediment-rating curve method of computing sediment yield mean suspended-sediment loads calculated by the flow-duration, rating-curve method using model parameters obtained by the alternative methods.
The overall mean difference between discharge inflow and outflow was 1. Rather, the calculated value is at the far right of the window.
26 Jan 1985 951 130,828 182 484 0. These factors are rated according to their level of importance. estimated an average of 5. This notation is convenient and concise for more than one explanatory variable, and is used in the section "Quantifying Uncertainty.
Selection of an appropriate model is a somewhat subjective process that relies on the best professional judgment of the modeler. 061 18 Feb 2002 790 30,766 23 708 0. The forest classes, elevation thresholds for forest classes, and bulk densities used for this analysis were derived from. Although discharge was controlled, previous accumulation of sediments had filled many open water areas in the ARB. This approach, a type of smoothing function, helps reveal the "central tendency" of the data Helsel and Hirsch, 2002, p.
Total sediment load, in River Mechanics, Shen, H. Geological Survey Techniques of Water-Resources Investigations, book 9, chap.
The two main reasons are that bulk density may not be negatively correlated with sedimentation rates as our calculation assumes and the variation in the extent of floating aquatic vegetation FAV between years may have influenced classification of turbid water areas.Estimation and fore-casting of daily suspended sediment data using wavelet-neural networks, J.
Graphs showing the relation between turbidity and suspended-sediment concentration and streamflow and suspended-sediment concentration for Little Arkansas River at Sedgwick, Kansas, 1999-2005. The R 2 gives the proportion of variance in the response variable that is explained by the explanatory variables.
RESULTS Mean annual calendar year total flow volume over the period 1996 to 2010 at Atchafalaya River Simmesport ARS was 199.
89 no HY4, p 105-115.
However, computed values must be retransformed back to the original units, a step that introduces a bias typically negative in computed suspended-sediment concentration values Miller, 1951; Koch and Smillie, 1986 unless the data are perfectly and positively correlated.
This indicates that suspended sediment dynamics within the ARB are complicated by hydrological and climatological interconnections between different years.
Discharge measurement did not begin at WLO until June 1986 and at ARMC until October 1995.