DESCAR Software: water pollution information

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INPUT DATA:

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POLLUTANTS:

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DATA III

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Ambient data:

Ambient conditions are defined by the hydrographic conditions in the vicinity of the discharge. This Menu lists: Current.

Current.- DESCAR analyses, as all mixing zone evaluations, are usually carried out under the assumption of steady-state ambient conditions. If you click this command, the next dialog box is shown:

Depending on the used model, some data of the dialog box can be modified: Buoyant jet model or Stratified model (see calculation models).

Buoyant jet model: The necessary data in the Buoyant jet model is:

Water density (kg/m³): It is the density of the ambient water.

Current velocity u_a(m/s): The average velocity of the water current. The admitted minimum velocity is 0,0001 m/s. A typical velocity can be of about 0,015 m/s.

Current angle (0 to 360): It is the horizontal angle of water current measured clockwise from the North (at the window top). For an outfall that is localized near the coast, the vector of the current is usually parallel to the coast.

Stratified model: The necessary data in the Stratified model is:

Coefficient of stratification (s^-2): Г represents the stratification degree in the water

Г=-(g/ρ_a)(dρ_a/dh),

being g the gravity acceleration, g=9,81m/s², ρ_a the ambient water density and h the depth. A typical value can be 0,00005 s^-2 (The density of the seawater increases 5 kg each 1000m).

Stratified model: There are two options: Water is stratified and Water is not stratified. The stratification process usually happens in summer.

INPUT DATA: Data I - Data II - Data III - Import - Commands - Graphs I - Graphs II

Canarina Algoritmos Numéricos, S.L.

Environmental software solutions

Software para contaminación del medio ambiente

Canary Islands, Spain

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European network on pollution · European Union

Member of MAPO: European network on Marine Pollution. Project

funded by the European Commission through the

6th Framework Programme for Research and Development

hazardous waste

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DESCAR: DESCAR: water pollution - Data I - Algorithms I - Pollutants I

SOLUTIONS: DESCAR: water pollution - Advantages - Price

INPUT DATA: Data I - Data II - Data III - Import - Commands - Graphs I - Graphs II

ALGORITHMS: Algorithms I - Algorithms II - Algorithms III - Algorithms IV - Algorithms V - Algorithms VI

POLLUTANTS: Pollutants I - Pollutants II - The sea I - The sea II - Pycnocline

DESCAR software solutions: This application has been used in great number of environmental reports, courses and water pollution studies in the last years. We currently have users in more than 10 countries.

Wakefield - mixing simulation - fluent simulation - transport simulation -

Wells - wastewater outfall - fluid dynamics simulation - simulation equations -

Westminster - simulation model - simulation equation -pipe outfall -

Winchester - water quality issues - water quality problems - urban water quality -

Wolverhampton - water - water treatment - water conservation - water resources -

Worcester - water pollution - drinking water - water testing -

York - well water - reverse osmosis - heat transfer simulation -

Lincolnshire - water contamination -

Cumbria - river contamination - agriculture contamination - land contamination -

Brighton & Hove - ground water contamination - well water contamination - drinking water contamination -

Cambridge - galway water contamination - contamination of drinking water -

Nottingham - surface water contamination - contamination of ground water - water supply contamination

Peterborough - well contamination - sea contamination - arsenic contamination -

Ripon - ground water - water management - coastal contamination -

Norfolk - sources of water contamination -

Suffolk - effects of water contamination - E. Coli water contamination - river water contamination -

Hampshire - source of water contamination - water pollution information

Essex - ocean water contamination -

Wiltshire - water contamination test - beach water contamination - water contamination testing -

Cambridgeshire - sewage contamination in water - metal contamination in water -

Aberdeen - potable water contamination - chemical contamination of water - lead contamination in drinking water -

Armagh - water contamination in Sutton - microbial contamination of water - prevention of water contamination - water pollution information

Bangor - thames water contamination - water table contamination - iron contamination in water -

Bath - faecal contamination of water - food and water contamination - black water contamination -

Belfast - water contamination disease - water contamination statistics - water pollution information

Birmingham - types of water contamination - arsenic contamination in water - water contamination tests -

Bradford - Ireland water contamination - sea water contamination - contamination of water supplies -

Brighton & Hove - lead contamination water - water contamination in Surrey - water contamination diseases - water pollution information

Bristol - water contamination effects - water pollution contamination - preventing water contamination -

Cambridge - contamination of well water - fresh water contamination - water tank contamination -

Nottingham - oil water contamination - contamination of water supply - water cooler contamination - contamination and purification of water -

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