J i P d J í A d Ab l S l d J i AJavier Paredes, Joaquín Andreu, Abel Solera, and Javier ArnauWater Resources Engineering GroupInstituto Universitaro de Ingeniería del Agua y Medio Ambiente (IIAMA) (Water and Environmental Engineering Research Institute)Universidad Politécnica de Valencia. Spain.([email protected])
INTRODUCTION
Main Tributaries:
LLOBREGAT RIVER BASIN
Main Tributaries:Cardener river.Anoia river.
Reservoirs:La Baells (109 Hm3).L Ll d l C ll (80 H 3)La Llosa del Cavall (80 Hm3).Sant Ponç (24 Hm3).
oductio
n1.
Intro
Features Units LlobregatArea Km2 4948Area Km 4948Mean annual precipitation mm 675Water Resources availability Hm3 693.7Rate WRA/area Hm3/Km2 0.14Reservoir storage capacity Hm3 213
[2]WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
ENVIRONMENTAL PRESSURESUrban Waste Water Loads of people living in the basin.p p gHigh industrial activity.Mediterranean hidrology (frequent droughts)
iff i f i i i iDiffuse pollution becuse of salt miner activities.
WATER QUALITY PROBLEMSWATER QUALITY PROBLEMS
Vulneravility of the Llobregat system.Achieve the good ecological status of the waterb diod
uctio
n
bodies.
Improve water quality for potabilization.Water quality dependence on river flows 1.Intro
Water quality dependence on river flows.
Purpose of the research: Development of a water quality model forp p q yLlobregat River Basin. Annalyzing different possible scenarios of wastewater treatment, drought situation and management of thesystem.
[3]WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
Water Quality ProblemsQ y
Flows: Water Quality MonitoringAvailable data
Flows:Period 2001 - 2011
Gauged stations.
Water Quality Monitoringnetwork :Period 2003 – 2006 (2006-2011)
water supplies.stg. reservoirs evolution.
Constituents:– Conductivity.– Total Organic Carbon (TOC).
O dblem
s
– DOB 5 days.– Dissolved Oxygen.– Saturation percentage DO. – Amonnia..lit
yProb
Waste Water TreatmentPlants (WWTPs):
Period 2003 – 2007 (2007-2011)
Amonnia..– Nitrites.– Nitrates.– Nitrogen Kjeldahl.
Ph h tater
Qua
Period 2003 2007 (2007-2011)Features of the WWTP.monthly flow discharges.water quality effluent
– Phosphates.– Total phosphorous.– Water Temperature.– pH.
2. W
a
water quality effluent. pH.
[6]WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
Main WWTPsWWTPs mean flow (m3/s)
Sallent 0.03
Navarclés 0.067
Manresa 0.325
Castellbell i El Villar 0.029
Monistrol de Montserrat 0.026
Igualada 0 213blem
s
Igualada 0.213
Riudebitlles 0.014
Abrera 0.209
M t ll 0 103lityProb
Biological and physical
Martorell 0.103
TOTAL 1.015
ater
Qua
g p yprocesses:Good treatment for organicmatter(BOD5< 20 mgO2/l).Good status for treatment for DQO
2. W
a
Good status for treatment for DQO and Suspended Solids.MONISTROL DE MONTSERRAT
RIUDEBITLLESRIUDEBITLLES
[7]WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
Main WWTPs
ems
tyProb
leterQ
ualit
2. W
at
[7]WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
ETAP Abrera: Category A2 ‐ A3
Medium – Low Llobregat
456
mgNH4/l Amonnia
ETAP SJD: Category A3
01234
/200
3/200
3/200
3/200
3/200
3/200
3/200
4/200
4/200
4/200
4/200
4/200
4/200
5/200
5/200
5/200
5/200
5/200
5/200
6/200
6/200
6/200
6/200
6/200
6
1.5 mgP2O5/l Phosphates
01/01/
01/03/
01/05/
01/07/
01/09/
01/11/
01/01/
01/03/
01/05/
01/07/
01/09/
01/11/
01/01/
01/03/
01/05/
01/07/
01/09/
01/11/
01/02/
01/04/
01/06/
01/08/
01/10/
01/12/
Amonio ‐ Olesa De Montserrat Amonio ‐ Sant Joan Despí
blem
s
0
0.5
1
003
003
003
003
003
003
004
004
004
004
004
004
005
005
005
005
005
005
006
006
006
006
006
006lityProb
01/01/20
01/03/20
01/05/20
01/07/20
01/09/20
01/11/20
01/01/20
01/03/20
01/05/20
01/07/20
01/09/20
01/11/20
01/01/20
01/03/20
01/05/20
01/07/20
01/09/20
01/11/20
01/02/20
01/04/20
01/06/20
01/08/20
01/10/20
01/12/20
Fosfatos ‐ Olesa De Montserrat Fosfatos ‐ Sant Joan Despí
14mgO2/l DO
ETAP Abrera
ater
Qua
02468101214
ETAP Sant í
2. W
a
0
01/01/2003
01/03/2003
01/05/2003
01/07/2003
01/09/2003
01/11/2003
01/01/2004
01/03/2004
01/05/2004
01/07/2004
01/09/2004
01/11/2004
01/01/2005
01/03/2005
01/05/2005
01/07/2005
01/09/2005
01/11/2005
01/02/2006
01/04/2006
01/06/2006
01/08/2006
01/10/2006
01/12/2006
Oxígeno disuelto (lab) ‐ Olesa De Montserrat Oxígeno disuelto (lab) ‐ Sant Joan Despí
Joan Despí
Oxígeno disuelto (lab) Sant Joan Despí
[13]WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
Water quality modelsq y
DSS AQUATOOLDMA. Module GESCAL (Paredes et al. 2004).
Software
Mechanicistic modePesudo Stationary Annalysis:1-D Advection and dispersion considered.
dels
( ) WCqqCSuCddCEd0 iseed ∑+−++⎟
⎞⎜⎛=al
ityMo
VdxdxE
dx0 +−⎟
⎠⎜⎝
=
Water
Qua
3. W
[15]WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
Constituents and processes:
Water quality modelling
Co s ue s a d p ocesses: First order kinetics.Temperature corrections..
PhosphatesConductivitydels
Norg
Mineralization
BOD5Sedimentation
yVSfosf
VSLVSNo
ality
Mod
Mineralization
SOD
Degradation
FlujoKd
KNoa
ater
Qua
NH4+
NitrificactionDO
ReaireaciónKN i
. Wa
NO3‐
Denitrification
ReaireaciónKaKNo3
Nai
[16]WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
Water quality modellingRiver lenghts.TopologyWater temperature.Hydraulic:– Simple models.
Nodes.River streches.Demands.
River flowsdata
p– HEC – RAS .
dels
Point Loadsdata
River WQ modelsUpperLlobregat.
CalibrationCalibration
ality
Mo
Demandssupply data
Cardener.Anoia.L
Scenariosimulation
Water
Qua
Waterquality data
Lower-Medium Llobregat.3.
W
qua y da aObserved
[17]WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
Medium lower Llobregat
dels
ality
Mo
Water
Qua
3. W
[20]WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
ResultsAverage river concentrations.
dels
ality
Mo
Water
Qua
3. W
[19]WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
Scenario simulations
ScenariosDrought situation.Drought situation.Water quality treamtments .Water quality and management relationship.
esults
4. Re
WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
Water quality of efluents:
Water treatment investments
q y
WWTPsconcentrations
BOD5 Nitrificacition PhosphatesManresa 1 3 mgNH4
+/l 3 2 mgP2O5/lManresa 1.3 mgNH4 /l 3.2 mgP2O5/l
Igualada 10 mgO2/l 1.3 mgNH4+/l 3.2 mgP2O5/l
Riudebitlles 20 mgO2/l
Aba) Verano –Invierno
3 2 P O /lAbrera)b) 1.3 mgNH4
+/l3.2 mgP2O5/l
Castellbell i El Villar 1.3 mgNH4+/l 3.2 mgP2O5/l
Monistrol de Montserrat 20 mgO2/l Verano ‐ Invierno 3.2 mgP2O5/lesults
g 2/ g 2 5/
Martorella) Verano –Inviernob) 1.3 mgNH4
+/l3.2 mgP2O5/l
Proposed scenarios:
4. Re
Proposed scenarios:
Base scenario ImprvementManresa
Optimaltreatments (1)( )
Improvedtreatmentscenario
Combiningtreatments
Optimaltreatments (2)scenario
[30]WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
ResultsManresa improvement:
1.5
2
2.5
H4/l
MANRESA IMPROVEMENT‐ ETAP Abrera ‐ Amonnia
0 6
0.8
1
/l
MANRESA IMPROVEMENT‐ ETAP Abrera‐ Phosphates
0
0.5
1yy yy yy yy yy yy yy yy yy yy yy yy yy yy yy yy yy yy
mgN
H
0.2
0.4
0.6
mgP2O
5/
esults
oct‐y
feb‐y
jun‐y
oct‐y
feb‐y
jun‐y
oct‐y
feb‐y
jun‐y
oct‐y
feb‐y
jun‐y
oct‐y
feb‐y
jun‐y
oct‐y
feb‐y
jun‐y
SIT BASE DEP MANRESA Abrera EA (ag arriba)
Calibracion + Q08 Abrera EA (ag arriba)
0
oct‐yy
feb‐yy
jun‐yy
oct‐yy
feb‐yy
jun‐yy
oct‐yy
feb‐yy
jun‐yy
oct‐yy
feb‐yy
jun‐yy
oct‐yy
feb‐yy
jun‐yy
oct‐yy
feb‐yy
jun‐yy
Calibracion + Q08 Abrera EA (ag arriba)
MANRESA IMPROVEMENT ETAP SJD Amonnia
4. Re
2
3
4
NH4/l
MANRESA IMPROVEMENT‐ ETAP SJD ‐ Amonnia
0.81
1.2
O5/l
MANRESA IMPROVEMENT ‐ ETAP SJD ‐ Phosphates
0
1
t‐yy
e‐yy
r‐yy ‐yy
t‐yy
e‐yy
r‐yy ‐yy
t‐yy
e‐yy
r‐yy ‐yy
t‐yy
e‐yy
r‐yy ‐yy
t‐yy
e‐yy
r‐yy ‐yy
t‐yy
e‐yy
r‐yy ‐yy
mgN
0
0.20.40.6
t‐yy
b‐yy
n‐yy
t‐yy
b‐yy
n‐yy
t‐yy
b‐yy
n‐yy
t‐yy
b‐yy
n‐yy
t‐yy
b‐yy
n‐yy
t‐yy
b‐yy
n‐yy
mgP2O
oct
ene
abr
jul
oct
ene
abr
jul
oct
ene
abr
jul
oct
ene
abr
jul
oct
ene
abr
jul
oct
ene
abr
jul
Calibracion + Q08 San Joan Despí (ag arriba)SIT BASE DEP MANRESA San Joan Despí (ag arriba)
oct
feb
jun
oct
feb
jun
oct
feb
jun
oct
feb
jun
oct
feb
jun
oct
feb
jun
SIT BASE DEP MANRESA San Joan Despí (ag arriba)
Calibracion + Q08 San Joan Despí (ag arriba)
[31]WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
Conclusions
CONCLUSIONS
Conclusions and Future developments
CONCLUSIONSDrought is one of the main pressures in Llobregat water qualityA management-water quality tool is essential for achieve goodecological status of water bodies maintaining water demandsecological status of water bodies maintaining water demandsreliabilities.Future Waste water treatments investments should be consideredanalysing the effect over the systemanalysing the effect over the system
clusions
SHORT TERM DEVELOPMENTSTo Validate and update the model (period 2007-2011)
5. Con
c p (p )To develop SIMGES-GESCAL model.Water quantity-quality simulation scenarios
[34]WaterQualitymodelling under scarcity and drought. Application to Llobregat River Basin (Spain).
Javier Paredes, Joaquín Andreu, Abel Solera, and Javier ArnauInstituto Universitaro de Ingeniería del Agua y Medio Ambiente (IIAMA) (Water and Environmental Engineering Research Institute)(IIAMA) (Water and Environmental Engineering Research Institute)Universidad Politécnica de Valencia. Spain.([email protected])