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Table 3 Concentration results of pollutants using the implicit method for 1-D water quality modeling

From: A 2-D Barakat-Clark finite difference numerical method and its comparison for water quality simulation modeling

Initial concentration

In 200 meters

In 400 meters

In 600 meters

In 800 meters

In 1000 meters

150

0

0

0

0

0

150

6.605527

0.290887

0.01281

0.000565

0

150

12.24669

0.787725

0.045628

0.002495

0

150

17.05822

1.423646

0.101648

0.006618

0

150

21.15694

2.146537

0.181281

0.01366

0

150

24.64405

2.916286

0.283099

0.024177

0

150

27.60703

3.70248

0.404526

0.038536

0

150

30.12146

4.482505

0.542353

0.056907

0

150

32.2525

5.239974

0.693113

0.079283

0

150

34.05628

5.96343

0.853335

0.105505

0

150

35.58104

6.645285

1.019722

0.135292

0

150

36.86826

7.280959

1.189259

0.168269

0

150

37.95349

7.868175

1.359277

0.204

0

150

38.86719

8.406391

1.527482

0.242008

0

150

39.63541

8.896348

1.691955

0.281801

0

150

40.28042

9.339706

1.851141

0.322889

0

150

40.82121

9.738758

2.003824

0.3648

0

150

41.27396

10.09621

2.149094

0.407088

0

150

41.65245

10.415

2.286313

0.449343

0

150

41.96837

10.69817

2.41508

0.491198

0

150

42.23167

10.94878

2.535196

0.53233

0

150

42.45075

11.1698

2.64663

0.572458

0

150

42.63275

11.36411

2.749488

0.61135

0

150

42.78369

11.53442

2.843985

0.648814

0

150

42.90865

11.68326

2.930424

0.684701

0

150

43.01191

11.81298

3.009169

0.718899

0

150

43.09709

11.92575

3.08063

0.751328

0

150

43.16721

12.02354

3.145246

0.781942

0

150

43.22482

12.10814

3.203473

0.81072

0

150

43.27204

12.18115

3.255771

0.837664

0