water food energy nexus in chile: future challenges due to global...
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Water Food Energy Nexus in Chile: Future challenges due to global
change
Francisco J Meza
Director Centro de Cambio Global UC
UNIVERSITY
PUBLIC POLICY (ENVIRONMENTAL INFORMATION FOR
STRATREGIC PLANNING
Water Availability/ Demand
DGA, 1999
Fast Growing Country/ Fast Growing Demand
Hydro Climatic Variability
Aceituno and Montecinos 1993
Droughts as recurrent phenomena
1 de Febrero de 2011
Falv
ey a
nd
Gar
reau
d, 2
00
9
Ten
den
cia
de
tem
per
atu
ra e
n
Ch
ile C
entr
al
Projected changes
IPC
C, 2
01
4
IPCC, 2014
Rojas, 2013
0
2
4
6
8
10
12
AB
R
MA
Y
JUN
JUL
AG
O
SE
P
OC
T
NO
V
DIC
EN
E
FE
B
MA
R
Ca
ud
al
[m3/s
]
0
20
40
60
80
100
120
140
160
180
200
AB
R
MA
Y
JUN
JUL
AG
O
SE
P
OC
T
NO
V
DIC
EN
E
FE
B
MA
R
Ca
ud
al
[m3/s
]
0
20
40
60
80
100
120
AB
R
MA
Y
JUN
JUL
AG
O
SE
P
OC
T
NO
V
DIC
EN
E
FE
B
MA
R
Ca
ud
al
[m3/s
]
0
20
40
60
80
100
120
140
160
180
AB
R
MA
Y
JUN
JUL
AG
O
SE
P
OC
T
NO
V
DIC
EN
E
FE
B
MA
R
Ca
ud
al
[m3/s
]
0
20
40
60
80
100
120
ABRMAY JUN JUL AGO SEP OCT NOV DIC ENE FEB MAR
Cau
dal
[m3/s
]
Linea Base 2011 - 2040
2041 - 2070 2071 - 2099
Impactos en Evapotranspiracion Meza et al., 2012
Demand cover Meza et al., 2014
Cobertura Mínima Cobertura Media
Case Study Maule CEPAL, 2009
0
50
100
150
200
250
300
350
400
APR MAY JUN JUL AUG SEP OCT NOV DEC JAN FEB MAR
Mes
Ca
ud
al
(m3/s
)
1976-2000 2011-2040 2041-2070 2071-2099
Stremflow reductions
Impacts on Agriculture Poblete et al in Prep
Traditional Approximation
Water
Food Energy
WFE-NEXUS SYSTEM
FOOD
Biofuels Food Products
Power ENERGY
Renewable Non-
Renewable
Biomass Generation
WATER
Groundwater Surface water Ir
riga
tio
n
Co
olin
g
Hyd
rop
ow
er
Reuse
Reu
se
Reu
se
Pu
mp
ing,
Dis
trib
uto
n,
Des
alin
atio
n, T
reat
men
t
Ref
low
CONCEPT
Cas Studies
Antofagasta
WATER
Groundwater Surface water
FOOD ENERGY
Renew-able
Non-Renewa
ble
Pu
mp
ing,
Des
alin
atio
n
MINING
Irri
gati
on
Co
olin
g
Pro
cesi
ng
WFE-NEXUS SYSTEM
Food Products
Modified_20150423
Antofagasta global change
WATER
Groundwater Surface water
ENERGY
Renew-able
Non-Renewa
ble
Pu
mp
ing,
Des
alin
atio
n
MINING
Irri
gati
on
Co
olin
g
Pro
cesi
ng
WFE-NEXUS SYSTEM
FOOD
Food Products
Modified_20150423
WFE-NEXUS SYSTEM
FOOD
Food Products
ENERGY
Renew-able
Non-Renewable
Pro
cess
ing
MINING
Industry
POTABLE WATER
Irri
gati
on
Power
WATER
Pu
mp
ing,
Des
alin
atio
n,
Trea
tmen
t, D
istr
ibu
ton
Ref
low
Ref
low
Groundwater
Treated waste-water
Sea water
Sur- face
water
A
Copiapo Modified_20150423
WFE-NEXUS SYSTEM
FOOD
Food Products
ENERGY
Renew-able
Non-Renewable
Pro
cess
ing
MINING
Industry
POTABLE WATER
Irri
gati
on
Power
WATER
Groundwater
Sur- face
water
Pu
mp
ing,
Des
alin
atio
n,
Trea
tmen
t, D
istr
ibu
ton
Ref
low
Treated waste-water
Ref
low
Sea water
B Copiapo global change
Modified_20150423
Maipo WFE-NEXUS SYSTEM
FOOD
Food Products
ENERGY
Renew-able
Non-Renewable
Industry
Irri
gati
on
Power
WATER
Ground- water
Surface water
Pu
mp
ing,
Tre
atm
ent,
D
istr
ibu
ton
Ref
low
URBAN
Domestic
Maipo global change WFE-NEXUS SYSTEM
FOOD
Food Products
ENERGY
Renew-able
Non-Renewable
Industry
Irri
gati
on
Power
WATER
Ground- water
Surface water
Pu
mp
ing,
Tre
atm
ent,
D
istr
ibu
ton
Ref
low
URBAN
Domestic
Hyd
rop
ow
er
Maule WFE-NEXUS SYSTEM
FOOD
Food Products
ENERGY
Renew-able
Non-Renewable
Irri
gati
on
Power
WATER
Surface water
Pu
mp
ing,
Tre
atm
ent,
Dis
trib
uto
n
Ref
low
Hyd
rop
ow
er
Maule global change
WFE-NEXUS SYSTEM
FOOD
Food Products
ENERGY
Renew-able
Non-Renewable
Irri
gati
on
Power
WATER
Ref
low
Hyd
rop
ow
er
Pu
mp
ing,
Tre
atm
ent,
Dis
trib
uto
n
WATER
Ground- water
Surface water
Future Steps
• Towards the development of integrated models/methods to quantify the fluxes
• Addressing W-E-F dynamics under the concept of water-energy-food security
– Managing Demand
– Reliability of supply
– Increase Efficiency
– Build strong institutional capacities
