## Principles of surface water quality modeling and controlThis book teaches the fundamentals and principles which underlie the mathematical modeling techniques used to analyze the quality of surface waters. The text first provides an overview of the different bodies of water in which water quality problems need to be addressed before examining specific problems that occur across all bodies of water. |

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Page 123

The approach is essentially a numerical

3.24 for the one-dimensional case. (The case of bays and harbors and vertical

stratification is considered in Sections 3.6.4 and 3.6.5.) 3.6.1 The One-

Dimensional ...

The approach is essentially a numerical

**finite difference**approximation to Eq.3.24 for the one-dimensional case. (The case of bays and harbors and vertical

stratification is considered in Sections 3.6.4 and 3.6.5.) 3.6.1 The One-

Dimensional ...

Page 151

3.7 POSITIVITY AND NUMERICAL DISPERSION OF STEADY STATE FINITE

SEGMENT MODELS 3.7.1 Mass Balance Equation as a

Approximation The governing equation for calculating concentrations in a finite

segment ...

3.7 POSITIVITY AND NUMERICAL DISPERSION OF STEADY STATE FINITE

SEGMENT MODELS 3.7.1 Mass Balance Equation as a

**Finite Difference**Approximation The governing equation for calculating concentrations in a finite

segment ...

Page 199

(

a lake or reservoir as a completely mixed system can be of significant value in

estimating the effects on water quality of man's activities. This is in spite of the ...

(

**FINITE**.**DIFFERENCE**). STEADY. STATE. LAKE. MODELS. An understanding ofa lake or reservoir as a completely mixed system can be of significant value in

estimating the effects on water quality of man's activities. This is in spite of the ...

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### Contents

Rivers and Streams | 29 |

Estuaries Bays and Harbors | 91 |

Lakes | 173 |

Copyright | |

8 other sections not shown

### Other editions - View all

Principles of Surface Water Quality Modeling and Control Robert V. Thomann,John A. Mueller No preview available - 1987 |

### Common terms and phrases

analysis approximately aquatic assumed average bacteria biomass calculated CBOD CBODU chemical chlorophyll coliform completely mixed constant decay rate deficit depth discharge dispersion coefficient dissolved oxygen downstream effect effluent epilimnion estimate estuary eutrophication Figure finite difference fish flow given heat Hydroscience hypolimnion increase indicated input lake lb/day load loss rate m/day mass balance maximum measured mg/C mg/l NBOD nitrification nitrogen Note nutrient organic outfall oxidation parameters particulate partition coefficient phosphorus photosynthesis phytoplankton plant point source range ratio reaeration reduced relationship respiration result river runoff salinity Sample Problem saturation sediment segment settling shown in Fig shows steady stream substance surface Table Thomann tidal Toro total phosphorus toxicant treatment upstream uptake USEPA values variable velocity vertical waste water body water column water quality water quality modeling water temperature zero zooplankton