ISBN-10:
1444335499
ISBN-13:
9781444335491
Pub. Date:
01/19/2016
Publisher:
Wiley
Understanding Mathematical and Statistical Techniques in Hydrology: An Examples-based Approach / Edition 1

Understanding Mathematical and Statistical Techniques in Hydrology: An Examples-based Approach / Edition 1

by Harvey J. E. Rodda, Max A. Little
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Product Details

ISBN-13: 9781444335491
Publisher: Wiley
Publication date: 01/19/2016
Pages: 104
Product dimensions: 6.70(w) x 9.60(h) x 0.40(d)

About the Author

Dr Harvey J. E. Rodda graduated in Environmental Science from Lancaster University and completed his PhD in the Department of Geography, Exeter University in 1993 in the field of hydrological modelling. He is currently a director of Hydro-GIS Ltd, a consultancy company providing specialist services in hydrology and GIS mostly within the private sector. Since 2005 he has been a visiting lecturer at University College London, Department of Earth Sciences, teaching a hydrology module as part of the Geophysical Hazards MSc course.

Professor Max A. Little began his career writing software, signal processing algorithms and music for video games, then moved on by way of a degree in mathematics to the University of Oxford. After postdoc positions in Oxford investigating rainfall and biophysical time series data, he won a Wellcome Trust fellowship at MIT to follow up on his doctoral research work in behavioural and biomedical signal processing. He is currently an associate professor of mathematics at Aston University and a visiting professor at MIT's Media Lab.

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Table of Contents

Preface vii

How to use this book x

1 Fundamentals 1

1.1 Motivation for this book 1

1.2 Mathematical preliminaries 2

2 Statistical modelling 19

2.1 The Central European Floods, August 2002 19

2.2 Extreme value analysis 22

2.3 Simple methods of return period estimation 22

2.4 Return periods based on distribution fitting 25

2.5 Techniques for parameter estimation 30

2.6 Bayesian parameter estimation 30

2.7 Resampling methods: bootstrapping 31

3 Mathematics of hydrological processes 34

3.1 Introduction 34

3.2 Algebraic and difference equation methods 34

3.3 Methods involving exponentiation 36

3.4 Rearranging model equations 36

3.5 Equations with iterated summations and products 38

3.6 Methods involving differential equations 41

3.7 Methods involving integrals 43

4 Techniques based on data fitting 45

4.1 Experimental and observed data 45

4.2 Rating curves 46

4.3 Regression with two or more independent variables 49

4.4 Demonstration of decaying quantities 51

4.5 Analysis based on harmonic functions 52

5 Time series data 55

5.1 Introduction 55

5.2 Characteristics of time series data 55

5.3 Testing for time dependence 57

5.4 Testing for trends 58

5.5 Frequency analysis 59

5.6 Other analysis methods 60

5.7 Smoothing and filtering 60

5.8 Linear smoothing and filtering methods 61

5.9 Nonlinear filtering methods 64

5.10 Time series modelling 66

5.11 Hybrid time series/process-based models 67

5.12 Detecting non-stationarity 69

6 Measures of model performance, uncertainty and stochastic modelling 71

6.1 Introduction 71

6.2 Quantitative measures of performance 71

6.3 Comparing measures 73

6.4 The Nash–Sutcliffe method 75

6.5 Stochastic modelling 76

6.6 Monte Carlo simulations 77

6.7 Non-uniform Monte Carlo sampling 79

6.8 Uncertainty in hydrological modelling 81

6.9 Uncertainty in combined models 82

6.10 Assessing uncertainty given observed data: Bayesian methods 83

Glossary 86

Index 88

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