Ingeniería y Competitividad,
Journal Year:
2025,
Volume and Issue:
27(2)
Published: April 23, 2025
Introduction:
The
water
footprint
is
an
environmental
metric
that
quantifies
the
total
volume
of
used
in
production
goods
or
services.
In
agriculture,
it
measured
cubic
meters
per
ton
product
(m³/ton)
and
comprises
three
components:
green
(rainwater),
blue
(surface
groundwater),
grey
(polluted
water).
This
helps
assess
water-use
efficiency
crops.Objectives:
study
aimed
to
examine
use
Colombian
agriculture
through
a
systematic
review,
focusing
on
resource
management
its
relevance
for
guiding
decisions
optimal
geographic
distribution
crops
based
their
requirements.Materials
Methods:
A
review
was
conducted,
analyzing
37
scientific
studies
agricultural
footprints
Colombia,
covering
44
across
various
regions.
Reported
values
crop
were
examined,
along
with
proportional
green,
blue,
components.Results:
most
frequently
studied
vegetables
(20%),
coffee
cocoa
(19%),
fruits
(17%),
flowers
(12%),
cereals
(10%),
others
(22%).
On
average,
72%
corresponded
water,
15%
13%
indicating
high
reliance
rainwater
agriculture.Conclusions:
findings
underscore
importance
evidence-based
planning
enhance
Colombia’s
sector,
thereby
supporting
sustainable
improved
management.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
914, P. 169807 - 169807
Published: Jan. 9, 2024
China
has
formulated
several
policies
to
alleviate
the
water
pollution
load,
but
few
studies
have
quantitatively
analyzed
their
impacts
on
future
loads
in
China.
Based
grey
footprint
(GWF)
assessment
and
scenario
simulation,
we
analyze
(including
COD,
NH3-N,
TN
TP)
from
2021
2035
under
different
scenarios
for
three
areas:
consumption-side,
production-side
terminal
treatment.
We
find
that
current
policy
scenario,
GWF
of
TN,
TP
could
be
reduced
by
15.0
%
39.9
%;
most
effective
measures
reduction
are
diet
structure
change
(in
consumption-side
area),
wastewater
treatment
rate
livestock
manure
utilization
improvement
area).
However,
will
still
increase
8
provinces,
indicating
implemented
is
not
universally
reducing
across
all
provinces.
Under
technical
four
pollutants
decrease
54.9
%–71.1
via
improvements
related
new
area
area;
thus,
possible
31
some
face
significant
challenges
achieving
full
implementation,
certain
only
applicable
a
subset
Our
detailed
analysis
response
options
reduce
can
help
inform
protection
freshwater
resources
assess
effectiveness
other
fields.
The Science of The Total Environment,
Journal Year:
2021,
Volume and Issue:
802, P. 149587 - 149587
Published: Aug. 14, 2021
Water
shortages
and
poor
water
quality
have
become
an
urgent
problem
that
is
constraining
the
sustainable
development
of
China.
Grey
has
been
found
to
bring
greater
stress
on
supply
than
freshwater
consumption,
grey
footprint
(GWF)
received
significant
attention
as
a
comprehensive
indicator
assess
wastewater
pollution.
In
this
study,
we
analysed
in
Yangtze
River
Basin
from
2003
2017
established
Logarithmic
mean
divisia
index
(LMDI)
model
decompose
efficiency
into
six
key
factors.
Our
findings
are
follows:
(1)
The
average
(AGWF)
central
regions
was
40%
higher
eastern
region
172%
western
region;
(2)
Economic
effects
capital
deepening
main
factors
affecting
positive
changes
efficiency;
(3)
Based
analysis
driving
greywater
each
province,
conducted
territorial
classification
according
primary
province.
results
reflect
spatial
distribution
characteristics
influencing
effect
will
enable
government
formulate
relevant
policies
for
subregion.
Geography and sustainability,
Journal Year:
2020,
Volume and Issue:
1(1), P. 8 - 17
Published: March 1, 2020
Water
footprint
(WF)
measures
human
appropriation
of
water
resources
for
consumptive
use
surface
and
ground
(blue
WF)
soil
(green
assimilating
polluted
(grey
WF).
Questions
have
been
often
asked
about
the
exact
meaning
behind
numbers
from
WF
accounting.
However,
to
date
environmental
sustainability
has
never
assessed
at
sub-national
level
over
time.
This
study
evaluated
blue,
green
grey
China's
31
mainland
provinces
in
2002,
2007
2012,
identified
unsustainable
hotspots.
Overall,
total
increased
by
30%
between
2002
2012.
The
growth
can
be
attributed
increase
because
blue
showed
only
a
slight
rise.
Among
all
investigated
eleven
(sustainability
index
SI<0),
which
were
mainly
located
North
China
Plain.
There
12
that
displayed
WF,
they
distributed
southern
southeastern
areas.
was
not
sustainable
approximately
two
third
(19),
middle
northern
regions
Guangdong
province.
More
than
half
trends
improved
SI
decreased
almost
provinces.
Poor
levels
due
scarcity
pollution,
intensify
degradation
local
rivers
ecosystems
make
restoration
more
difficult.
results
shed
light
on
policy
making
needed
improve
management,
ecological
hotspot
regions.
