A Contribuição do Modelo FPEIR/TOPSIS no Diagnóstico Ambiental da Segurança Hídrica de Áreas Atingidas pela Barragem B1, Brumadinho, MG
Sociedade & natureza,
Journal Year:
2025,
Volume and Issue:
37(1)
Published: Jan. 28, 2025
A
Bacia
Hidrográfica
do
Rio
Paraopeba,
em
Minas
Gerais,
tem
sofrido
com
eventos
climáticos
extremos
e
os
impactos
rompimento
das
barragens
da
Vale
S.A.
Brumadinho,
2019.
Destaca-se
a
importância
análise
multicritério
de
decisão
associada
um
modelo
conceitual
para
diagnosticar
segurança
hídrica
na
região,
base
indicadores
socioambientais.
O
estudo
propõe
analisa
socioambientais,
utilizando
metodologia
FPEIR,
avaliar
aprimorar
o
planejamento
gestão
dos
recursos
hídricos
Paraopeba
(BHRP).
abordagem
combina
TOPSIS
método
pesos
entropia,
utilizados
hierarquizar
municípios
melhor
hídrica.
revelou
desafios
críticos,
como
crescimento
populacional,
industrialização
expansão
agropecuária,
que
intensificam
contaminação
Brumadinho
Betim
foram
classificados
mais
vulneráveis,
apresentando
altos
índices
doenças
veiculação
infraestrutura
tratamento
esgoto
insuficiente.
intensa
atividade
industrial
agrícola
agrava
riscos
ambientais,
exemplificados
pelo
barragens.
destacou
as
pressões
socioambientais
abordagens
integradas.
Os
resultados
apontaram
necessidade
políticas
públicas
robustas,
práticas
agrícolas
sustentáveis,
participativa,
melhoria
adaptação
às
mudanças
climáticas
garantir
qualidade
vida.
The Contribution of the FPEIR/TOPSIS Model in The Environmental Diagnosis of Water Security in Areas Affected by the B1 Dam, Brumadinho, MG
Sociedade & natureza,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 28, 2025
The
Paraopeba
River
Basin,
located
in
the
state
of
Minas
Gerais,
Brazil,
has
been
severely
impacted
by
extreme
climatic
events
and
2019
Vale
S.A.
dam
failures
Brumadinho.
This
study
underscores
importance
integrating
multi-criteria
decision
analysis
with
a
conceptual
model
to
diagnose
water
security
region
based
on
socio-environmental
indicators.
Employing
DPSIR
methodology,
indicators
are
proposed
analyzed
assess
support
planning
management
resources
Basin
(BHRP).
approach
combines
TOPSIS
entropy
weight
method
rank
municipalities
according
their
levels
security.
identified
critical
challenges,
including
population
growth,
industrialization,
agricultural
expansion,
which
exacerbate
contamination.
Brumadinho
Betim
emerged
as
most
vulnerable
municipalities,
exhibiting
high
rates
waterborne
diseases
inadequate
wastewater
treatment
infrastructure.
Intense
industrial
activities
have
further
heightened
environmental
risks,
exemplified
failures.
pressures
highlights
integrated
approaches.
findings
emphasize
need
for
robust
public
policies,
sustainable
practices,
participatory
management,
infrastructure
improvements,
climate
change
adaptation
ensure
improve
quality
life.
Language: Английский
Hypothetical Economic Value of Environmental Damage (EVED) using the VERA methodology in the rupture of a uranium mining tailings dam: a case study in Caldas-MG - Brazil
MOJ Ecology & Environmental Sciences,
Journal Year:
2024,
Volume and Issue:
9(3), P. 127 - 136
Published: June 26, 2024
Indústrias
Nucleares
do
Brasil
(INB),
arises
from
Brazil’s
growing
nuclear
activity,
aiming
to
supervise
the
fuel
cycle.
Its
installation
reflects
Brazilian
government’s
interest
in
energy
for
industrial
and
technological
development.
In
Caldas
INB’s
presence
is
linked
uranium
exploration
whose
deactivation
1995
had
an
impact
on
its
management
of
radioactive
waste.
The
tailings
dam,
classified
as
High-Risk
Category
(CRI-Alto)
High
Risk
Associated
Potential
Damage
(DPA
-
Alto),
stores
2,5
million
cubic
meters
material,
representing
environmental
risk
well
security
surrounding
communities.
this
work,
a
methodology
delineating
floodplains
with
250
–
influence
area
was
developed
based
6,
26.
areas
natural
vegetation
at
event
dam
rupture
were
estimated.
Then
Economic
Value
Environmental
Resources
(VERA)
adopted
perform
(EVED),
resulting
significant
value
approximately
US$290
dollars.
conclusion
critical
importance
implementing
robust
prevention
mitigation
measures
avoid
potential
catastrophic
consequences
involving
collapse
dam.
results
present
work
emphasize
need
company
focus
preventive
actions
against
collapse,
since
damage
1
dams
alone
estimated
290
This
value,
when
added
other
values
related
water,
soil
air,
will
be
much
greater
than
measure
decommissioning
3
INB
Caldas,
Minas
Gerais.
Language: Английский
Using of high spatial resolution images to evaluate the thematic accuracy of land use and occupation maps with the Kappa index
MOJ Ecology & Environmental Sciences,
Journal Year:
2024,
Volume and Issue:
9(5), P. 220 - 228
Published: Sept. 20, 2024
The
objective
from
this
article
evaluates
the
thematic
quality
of
automatic
mappings
with
supervised
classification
for
land
use
and
cover,
using
high
spatial
resolution
satellite
images
as
"ground
truth".
This
consider
advancement
remote
sensing
technologies
has
enabled
acquisition
various
resolutions,
which
are
essential
mapping
classifiers
in
context
cover
mapping.
In
fact,
wide
availability
high,
medium,
low
significantly
optimized
time
resources
required
by
more
accurate
during
data
processing.
image
used
verification
paper
was
GeoEye,
a
0.5m,
dated
October
2023.
submitted
to
classifier
were
Sentinel-2A
10m
Planet
5m,
both
same
pass
period
(October
2023)
over
study
area,
aiming
avoid
seasonal
phenological
variations
vegetation,
well
changes
environment
due
anthropogenic
intervention.
method
adopted
Maximum
Likelihood
(MAXVER).
accuracy
rigorously
evaluated
ensure
reliability
results
Kappa
index,
assessing
agreement
between
observed
expected
classifications.
Based
on
methods
presented,
set
mapped
classes
showed
good
very
Sentinel
image.
Language: Английский
The Risk of Land Degradation in Areas Impacted by Tailings Mudflows: A Legal and Economic Assessment
Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 6, 2024
ABSTRACT
Accidents
involving
tailings
dams
are
threatening
because
of
their
potential
impacts.
In
many
countries,
despite
the
existence
legislation
population
lives
with
insecurity
dam
breaks.
Using
Minas
Gerais
state
in
Brazil
as
an
example,
aforementioned
applies
to
hundreds
dams,
specifically
Vargem
Grande
Vale
mining
company.
The
area
affected
by
a
failure
is
set
through
legal‐administrative
instruments
called
“flood
patches.”
purpose
this
study
was
analyze
these
patches,
using
and
assess
possible
land
degradation
impacts
failure,
focused
on
flooded
native
vegetation.
assessment
resorted
VERA—Economic
Valuation
Environmental
Resources
method.
results
exposed
destruction
200
ha
Atlantic
Forest
55
Cerrado
vegetation
within
flood
patches.
However,
simulated
outcomes
also
reveal
significant
decline
patches
short
period
(from
4.60
km
2
2022
3.05
2023),
related
dam‐decommissioning
risk‐reduction
works
allegedly
implemented
or
be
This
reduction
can
misleading
decommissioning
issues
frequently
used
companies
minimize
responsibilities
case
breakup.
It
worth
mentioning
that
patch
led
convenient
drop
VERA
results,
from
nearly
74
53
million
dollars.
Therefore,
official
protocol
delineate
must
improved
allow
more
realistic
evaluation.
regard,
changes
overtime
better
defined
legislation,
namely
inclusion
potentially
soil‐
water‐bearing
ecosystem
services.
Effective
monitoring
paramount
for
true
evaluation
impacted
areas.
Language: Английский