João-Paulo LOBO-FERREIRA
Laboratório Nacional de Engenharia Civil, Portugal
Sustainable scenarios for groundwater quality in new
irrigation agriculture sites in Portugal and Algarve scenarios for
groundwater rehabilitation.
ARTIFICIAL AQUIFER RECHARGE EXPERIMENTS IN THE PORT UGUESE CAMPINA DE FARO CASE-STUDY AREA, DEVELOPED IN THE FRAMEWORK OF GABARDINE PROJECT
M12 - AQUIFER SYSTEM OF CAMPINA DE FARO
Almeida et al (2000)SNIRH
http://snirh.inag.pt
Algarve region
Aquifer system of Campina de Faro
area 86 km 2
Abril 2008 Maio 2014
LOTE 2
Águas subterrâneas
www.asemwaternet.org
MANAGEMENT OF AGRICULTURE LAND USE BASED ON GROUNDWATER SUSTAINABILITY SCENARIOS
A Case-Study in Portugal
9
Groundwater
2007
Variação da profundidade ao nível piezométrico
0
1
2
3
4
5
6
7
8
9
25-Jun 5-Jul 15-Jul 25-Jul 4-Ago 14-Ago 24-Ago 3-Set 13-Set 23-Set
m
P1
P2
P3
P4
P5
PzMc
Variação da concentração em nitratos nas águas subterrâneas
0
50
100
150
200
250
300
350
25-Jun 5-Jul 15-Jul 25-Jul 4-Ago 14-Ago 24-Ago 3-Set 13-Set 23-Set
mg/
l
P1
P2
P3
P4
P5
PzMc
By the end of August on, there is an increase in the nitrate concentration,
especially for the piezometers P2, P3, and P5
Framework Objectives Tasks Development Results
Depth to the water table
Nitrate concentration
www.asemwaternet.org
MANAGEMENT OF AGRICULTURE LAND USE BASED ON GROUNDWATER SUSTAINABILITY SCENARIOS
A Case-Study in Portugal
10
Runoff
Vadose zone Groundwat
Framework Objectives Tasks Development Results
www.asemwaternet.org
MANAGEMENT OF AGRICULTURE LAND USE BASED ON GROUNDWATER SUSTAINABILITY SCENARIOS
A Case-Study in Portugal
11
Framework Objectives Tasks Development Results
Soil water tension
Vadose zone sampling
Soil humidity
Soil sampling (0 -15 cm, 15 - 30 cm, 30 - 45 cm, 45 - 60 cm e 60 - 75 cm) for:o Pressure-tension curves o Soil bulk density o Porosity o Textural analysiso Physico-chemical analysis
www.asemwaternet.org
MANAGEMENT OF AGRICULTURE LAND USE BASED ON GROUNDWATER SUSTAINABILITY SCENARIOS
A Case-Study in Portugal
12
Vadose zone: NO3
Nitratos (sonda LNEC + LQA Ambiente) - Cápsulas Ensaios 2007
0
50
100
150
200
250
300
350
400
450
20 cm 40 cm 60 cm 20 cm 40 cm 60 cm 20 cm 40 cm 60 cm
MM PML1 PML2
NO
3 (m
g/l)
31 Maio11-Jun18-Jun25-Jun02-Jul09-Jul16-Jul23-Jul30-Jul06 Ago13 Ago20 Ago27 Ago03-Set10-Set17-Set
2007
www.asemwaternet.org
MANAGEMENT OF AGRICULTURE LAND USE BASED ON GROUNDWATER SUSTAINABILITY SCENARIOS
A Case-Study in Portugal
13
Framework Objectives Tasks Development Results
MANAGEMENT OF AGRICULTURE LAND USE BASED ON GROUNDWATER SUSTAINABILITY SCENARIOS
A Case-Study in Portugal
基于地下水可持续性情景的农业土地使用管理
Mancoca e Pinheirinho
Small watershed with 425 ha
www.asemwaternet.org
MANAGEMENT OF AGRICULTURE LAND USE BASED ON GROUNDWATER SUSTAINABILITY SCENARIOS
A Case-Study in Portugal
14
Piezometry
Framework Objectives Tasks Development Results
3 layers, 67 row e 192 column 50 x 50 m mesh
Regional model 18,6 km2
Flow and transport model
www.asemwaternet.org
MANAGEMENT OF AGRICULTURE LAND USE BASED ON GROUNDWATER SUSTAINABILITY SCENARIOS
A Case-Study in Portugal
15
Transport modelling
Scenario 1A (in 2015) Scenario 4D (in 2015)
Framework Objectives Tasks Development Results
Main Results/Conclusions (cont.)
• Seasonal monitoring of piezometry and groundwater quality.
• Flow and transport groundwater modeling for different artificial recharge scenarios in Campina de Faro
• DSS application based on a multicriteria analysis considering environmental and economical aspects
Abril/2008
謝謝 / Thank you / Obrigado / Mange tak
