E3S Web of Conferences,
Journal Year:
2023,
Volume and Issue:
393, P. 03040 - 03040
Published: Jan. 1, 2023
In
order
to
evaluate
the
water
quality
changes
of
Dahai
Lake
in
Inner
Mongolia,
monitoring
data
from
2008
2021
were
used
as
an
example,
and
improved
Nemero
pollution
index
method
principal
component
analysis
Lake.
The
results
show
that
two
evaluation
methods
Daihai
change
trend
are
basically
same,
able
fully
reflect
comprehensive
level
pollution,
but
each
has
disadvantages,
can
not
contribution
pollutant,
category.
Therefore,
combination
methods,
method,
complement
support
other's
conclusions,
more
accurate
objective,
a
manner.
Frontiers in Ecology and Evolution,
Journal Year:
2022,
Volume and Issue:
10
Published: Sept. 16, 2022
Understanding
the
water
quality
and
its
influencing
factors
of
different
bodies
is
essential
for
managing
resources
in
closed
inland
lake
basins
semi-arid
regions.
However,
generally,
groundwater
or
surface
assessed
separately,
differences
among
are
neglected.
This
study
Daihai
Lake
Basin
(a
basin
a
region)
by
analysing
hydrochemical
data
groundwater,
spring,
river,
waters
dry
wet
seasons.
The
dominant
type
(81.48%),
spring
(80%),
river
(83.33%)
was
HCO
3
–
Ca•Mg,
while
that
Cl-Na
(100%).
Groundwater,
water,
were
suitable
drinking
agricultural
irrigation;
however,
worse
season
than
season.
Na
+
Cl
majorly
affected
quality.
mean
NO
concentration
28.39
mg/L,
non-carcinogenic
hazard
quotient
indicated
high
risk
areas
mainly
distributed
Tiancheng
northern
Maihutu.
compositions
influenced
rock
(silicate
carbonate)
weathering
cation
exchange,
activities
main
sources
.
Moreover,
composition
evaporation
halite
dissolution.
Thus,
pollution
salinisation
should
be
prioritised.
These
findings
provide
more
thorough
understanding
region,
can
used
to
develop
protection
ecosystems
management
strategies
Basin.
