Tagus Estuary - EU Directives

INDEX

Abstract

Rationale

Estuary Loads

Location

Rivers discharges

WWTP Discharges

Relative Loads

Model Implementation

Domain

Hydrodynamics

Transient Circulation

Residence Time

Conclusions

Reference Scenario

Time Series Validation

Properties Spatial Distribution

Integration Boxes

Total Balance in Estuary

Scenario1- 50% Reduction in nitrate river load

Properties Spatial Distribution

Total Balance

Scenario2 – 100% Reducion in nutrients WWTP discharge

Properties Spatial Distribution

Total Balance

Conclusions

 
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Waste-Water Treatment Plant

Name

Flow

 (m3/ s)

Total Solids (mg / L)

Nitrate (mgN/L)

Nitrite (mgN/L)

Ammonia

(mgN /L)

Dissolved Organic Nitrogen Refractory

(mg N /L)

Dissolved Organic Nitrogen Non Refractory

(mg N /L)

Dissolved Organic Nitrogen

(mg N /L)

Mutela

0,301

516

15,00

10,00

18,2

7,8

18,1

25,9

Portinho da Costa

0,259

567

15,00

10,00

20,0

8,5

19,9

28,4

Quinta da Bomba

0,707

67

15,00

0

13.1

5,2

0

17,6

Alcântara

1,985

126

7,65

0,05

8,1

3,5

8,3

11,2

Chelas

0,608

35

1,15

0

7,3

3,1

0

15,5

Alhos Vedros

0,009

83

11,63

0

11,1

4,7

0

15,1

Moita

0,175

454

15,00

10,00

16,0

6,8

15,9

22,8

Palhais

0,793

68

15,00

0

14,4

5,8

0

19,3

Montijo

0,139

227

15,00

10,00

16,0

6,6

15,4

21,8

Alcochete

0,023

20

15,00

0

14,4

5,8

0

19,3

Vila Franca de Xira

0,139

454

15,00

10,00

16,0

6,8

15,9

22,8

Alverca

0,494

454

15,00

10,00

16,0

6,8

15,9

22,8

 

EU Directives
OSPAR

  Tagus Estuary Mondego Estuary Sado Estuary

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