Water Resources Engineering - Homepage Usask
Water Resources Engineering - Homepage Usask
Water Resources Engineering - Homepage Usask
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- histogram, frequency distribution, frequency density distribution<br />
- cumulative frequency distribution<br />
- box-plot<br />
- graphical representations of a time series<br />
- empirical quantile plot<br />
- Q-Q plot<br />
- Statistical descriptors of data:<br />
- mean, root mean square, median<br />
- quantiles<br />
- variance, st. dev., mean dev., coefficient of variation, moments<br />
- coeff. of skewness, coeff. of kurtosis<br />
3. Probability theory:<br />
- Elementary probability theory<br />
- probability laws<br />
- probability mass function, probability density function, cum. distribution function<br />
- moments of distributions of random variables<br />
- Probability distributions<br />
- model of sums: normal; model of products: lognormal<br />
- model of time between events: exponential (Poisson process), Gamma, Pearson III<br />
- Pareto, Weibull, beta, uniform prob. distributions<br />
- normal related or sampling distributions: t-, Chi-square, F- distributions<br />
- modified distributions: truncated and compound distributions<br />
- multivariate distributions<br />
- Estimation of parameters<br />
- method of moments<br />
- maximum likelihood method<br />
- confidence intervals<br />
- Testing statistical hypotheses<br />
incl. trend tests, goodness-of-fit tests, serial correlation tests<br />
- Frequency analysis / Extreme value analysis<br />
- periodic maxima method vs. peak-over-threshold method<br />
- GEV vs. GPD distributions<br />
- extreme value index, distribution classes<br />
- return period<br />
4. Regression and correlation<br />
incl. discussion on different types of uncertainty sources in modelling<br />
and the calculation of parameter uncertainties and prediction uncertainties<br />
5. Introduction to time series analysis and stochastic modelling<br />
- autocorrelation, autocovariance<br />
- (semi-)variogram<br />
- ARMA model<br />
- Kalman filter<br />
- Random simulations<br />
The practical work consists of the application of these techniques for a number of datasets (time series of river<br />
discharges, simultaneous measurements of water levels and discharges in a river, BOD concentrations at the<br />
influent and the effluent of a wastewater treatment plant, …). The following techniques are applied to these<br />
datasets:<br />
- selection, calibration and plotting of probability distributions<br />
- regression and correlation + error analysis + statistical hypothesis tests<br />
- confidence limits for model parameters, model prediction uncertainty<br />
- extreme value analysis, return period calculation<br />
Complementary studies in <strong>Water</strong> <strong>Resources</strong> <strong>Engineering</strong> / 8