Journal of Water and Land Development,
Год журнала:
2024,
Номер
unknown, С. 13 - 24
Опубликована: Янв. 3, 2024
The
paper
presents
in
form
of
a
case
study
the
results
10-year
long
hydro-chemical
studies
on
Korzeń
stream
which
“Skrzyszów”
small
storage
reservoir
was
built.
Studies
aimed
at
evaluating
impact
surface
water
quality
Flysch
stream.
basis
for
analysis
21
parameters,
from
following
groups
indicators:
physical
and
acidity,
oxygen
organic
pollution,
biogenic,
salinity,
metals.
Indicators
were
determined
one-month
intervals
two
periods:
2005–2009
(before
built)
2015–2019
(after
built).
Obtained
subjected
to
statistical
analysis.
trend
changes
performed
using
Mann–Kendall
test
or
seasonal
Kendall
test;
significance
differences
between
indicator
values
periods
evaluated
nonparametric
Mann–
Whitney
U
test.
Results
showed
significant
change
trends
total
iron
concentration
downward
both
periods.
Statistically
definite
majority
indicators
found
analysed
periods,
indicating
favourable
unfavourable
Construction
resulted
chemical
flowing
Random
variation
dynamics
as
well
tendencies
over
time
have
changed.
In
addition
modifying
regime,
also
affected
social
natural
conditions.
International Journal of Strategic Communication,
Год журнала:
2021,
Номер
15(4), С. 357 - 374
Опубликована: Авг. 8, 2021
The
contentious
issues
endemic
to
many
cases
within
social
management
practice
share
a
common
feature:
intractability,
or
the
perception
of
being
unsolvable.
This
study
takes
steps
toward
clarifying
and
defining
concept
intractability
as
part
strategic
communication
engagement
with
challenges,
asking
how
practitioners
make
meaning
ostensibly
intractable
issues.
Data
from
in-depth
interviews
41
provide
detailed
examination
challenges
such
research
extends
theory
by
four
facets
through
which
can
be
understood
categorized:
degree
issue
type
(natural
situationally
driven),
locus
(internal
external),
practitioner
identity
involvement.
International Journal of Energy Economics and Policy,
Год журнала:
2023,
Номер
14(1), С. 673 - 685
Опубликована: Янв. 15, 2023
This
study
aims
to
determine
the
effect
of
disclosure
sustainability
reports
(SR)
on
economic
performance
aspects,
environmental
and
social
aspects
a
company's
financial
by
using
ratios
return
equity
(ROE),
sales
(ROS),
assets
(ROA).
To
mining
companies
listed
Indonesia
Stock
Exchange
(IDX).
uses
quantitative
secondary
data.
The
data
collection
technique
is
record
for
2018–2022
period.
research
population
consists
Exchange,
purposive
sampling
with
sample
50
companies.
They
use
multiple
linear
regression
methods
help
SPSS
software
as
an
analysis
method.
results
show
that
aspect
report
variable
has
significant
asset
(ROA)
ratio.
SR
in
significantly
affects
(ROE)
influences
(ROS)
no
not
ratio
(ROE).
Variable
have
are
IOP Conference Series Earth and Environmental Science,
Год журнала:
2021,
Номер
701(1), С. 012012 - 012012
Опубликована: Март 1, 2021
Abstract
Implementation
of
renewable
energy
resources
(RES)
with
the
use
knowledge-based
approach
requires
systems
which
enable
to
combine
data
from
different
databases
in
order
multidimensional
character
analysed
factors.
Therefore,
this
study
provides
decision
support
system
for
planning
hybrid
technologies
designed
regional
authorities.
The
research
integrates
two
RES:
solar
and
wind.
Moreover,
it
combines
potential
administrative
division
on
land
cover.
Presented
functionality
shows
ability
single-element
filtering
as
well
multi-element
gives
opportunity
visual
discovery.
novel
can
constitute
an
effective
instrument,
help
decision-makers
locate
single-source
RES
installations
meet
requirements
production.
were
case
Lubuskie
Voivodeship
(Poland).
However,
besides
fact
customized
one
region,
universal
allows
prepare
similar
tool
any
other
region
European
Union.
Journal of Water and Land Development,
Год журнала:
2024,
Номер
unknown, С. 13 - 24
Опубликована: Янв. 3, 2024
The
paper
presents
in
form
of
a
case
study
the
results
10-year
long
hydro-chemical
studies
on
Korzeń
stream
which
“Skrzyszów”
small
storage
reservoir
was
built.
Studies
aimed
at
evaluating
impact
surface
water
quality
Flysch
stream.
basis
for
analysis
21
parameters,
from
following
groups
indicators:
physical
and
acidity,
oxygen
organic
pollution,
biogenic,
salinity,
metals.
Indicators
were
determined
one-month
intervals
two
periods:
2005–2009
(before
built)
2015–2019
(after
built).
Obtained
subjected
to
statistical
analysis.
trend
changes
performed
using
Mann–Kendall
test
or
seasonal
Kendall
test;
significance
differences
between
indicator
values
periods
evaluated
nonparametric
Mann–
Whitney
U
test.
Results
showed
significant
change
trends
total
iron
concentration
downward
both
periods.
Statistically
definite
majority
indicators
found
analysed
periods,
indicating
favourable
unfavourable
Construction
resulted
chemical
flowing
Random
variation
dynamics
as
well
tendencies
over
time
have
changed.
In
addition
modifying
regime,
also
affected
social
natural
conditions.
