surface water pollution

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DESCAR:

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INPUT DATA:

ALGORITHMS:

POLLUTANTS:

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DESCAR 3.0 Advantages:

Without considering the experience that the user possesses in programming languages or in the use of simulation tools, in few minutes he will be able to have the first results.

With this application you will be able to export your simulation results (BMP files). These images will contain the background picture (map) and your simulation results. Many programs and computer applications (AutoCad, 3d Studio, ArcView, MS Power Point, MS Word,... ) can import your saved BMP files.

The application uses two different mathematical models: Buoyant jet model or Stratified model. The Buoyant model is ideal for industrial discharges located in the proximities of the coast and in rivers, (using little depth). This model is based on a time-independent Gaussian equation which simulates the pollutant dispersion in the water. The Stratified model takes into account the formation of the pycnocline in the sea. This model is ideal for sewage discharges in the sea (using a lot of depth).

DESCAR 3.0 carries out temporal averages (daily, monthly or annual) so that you can calculate the concentration average in each point of the affected area.

Water pollution map of the heavy metal concentrations (Hg) produced by three point sources in this region. Each effluent flow rate is 0,15 m^3/s, each outfall angle is 180 (S), the current velocity is 0,015 m/s and the current angle is 90 (E). The Buoyant Jet model has been used in the calculation. The three fucshia squares represent the three different point sources (outfall locations). The red colour represents high pollutant concentrations.

Calculation in both XY-plane (parallel to water surface) and XZ-plane (perpendicular to water surface). The fucshia square represents a point source (position of the outfall pipe). The red colour represents high pollutant concentrations. The effluent flow rate is 0,15 m^3/s, the current velocity is 0,04 m/s and the current angle is 45 (NE). The Stratified model has been used in the calculation. The fucshia square represents the vertical discharge source (outfall locations). We have a three-dimensional image of the pollutant plume with these two computer screens.

BOD pollution map produced by continuous discharge in this region. The stratified model has been used. Top: the orange horizontal line indicates us the position of the XZ-Plane. Bottom: the orange horizontal line indicates us the position of the XY-Plane and the blue horizontal line indicates us the position of the water surface plane. The fucshia square represents a point source (position of the outfall pipe). The red colour represents high pollutant concentrations. The violet horizontal line (bottom) indicates us the position of the pycnocline (or thermocline) layer plane. We can see that there is no exchange of pollutants through the pycnocline layer.

SOLUTIONS: DESCAR: water pollution - Advantages - Price

Canarina Algoritmos Numéricos, S.L.

Environmental software solutions

Software para impacto del medio ambiente

Canary Islands, Spain

e-mail: contact us

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

water analysis

CANARINA: Home - Air pollution · DISPER - Noise pollution · CUSTIC - Water pollution · DESCAR - Contact us

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 - surface water pollution

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 - surface water pollution

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

Lincolnshire - water contamination - surface water pollution

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 - surface water pollution

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

Hampshire - source of water contamination -

Essex - ocean water contamination - surface water pollution

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 -

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 -

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 -

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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