Jurnal Ilmu Lingkungan,
Journal Year:
2024,
Volume and Issue:
22(6), P. 1594 - 1601
Published: July 9, 2024
Sub
DAS
Melawi
mengalami
peningkatan
banjir
setiap
tahun
akibat
penurunan
daerah
resapan
air
yang
disebabkan
oleh
perubahan
tata
guna
lahan.
Penelitian
ini
bertujuan
untuk
mengetahui
lahan
dan
kemampuan
di
sub
menggunakan
parameter
penggunaan
lahan,
curah
hujan,
kemiringan
lereng,
tekstur
tanah,
geohidrologi,
gambut.
Analisa
data
dilakukan
menghasilkan
peta
kondisi
air.
Tata
periode
1990
2020
dibandingkan
sehingga
terlihat
lahannya.
Hasil
penelitian
menunjukkan
bahwa
tidak
terlalu
banyak
perubahan.
Penggunaan
terbesar
yaitu
pertanian
kering
campur
kawasan
hutan.
Perubahan
namun
cukup
luasan,
didominasi
kritis
dengan
dari
50%
menjadi
62%
2020.
Sementara
itu
signifikan
terjadi
pada
sebesar
12%
luas
mencapai
15%
3%.
Kondisi
persentase
melebihi
setengah
buruk.
Journal of Hydrology Regional Studies,
Journal Year:
2024,
Volume and Issue:
53, P. 101797 - 101797
Published: April 30, 2024
The
Chaohe
watershed
is
Beijing's
primary
potable
water
source.
initiation
of
ecological
restoration
(ER),
combined
with
the
rapid
acceleration
climate
change
(CC),
has
precipitated
severe
shortages
in
North
China.
seasonal
responses
baseflow
(BF),
pivotal
for
sustaining
rivers'
fundamental
flow
and
equilibrium,
to
ER
CC
are
poorly
understood.
This
study
provides
a
precise
depiction
variations
BF
by
leveraging
multiple
separation
methodologies.
By
applying
BFAST
algorithm
comprehensive
sensitivity
analysis,
we
unveil
nuanced
patterns
adjustments
reaction
CC.
Baseflow,
primarily
influenced
wet
season,
constituted
64.21%
annual
aggregate.
Considerable
decreases
during
dry
(−32.61%)
(−68.21%)
seasons
pose
increasing
threats
available
resources.
decrease
sub-surface
runoff
(−1.91
mm
per
decade)
dominated
reduction
season
BF.
Indeed,
vegetation
regulated
distribution,
maintaining
essential
throughout
season.
In
acts
as
supplemental
source
fulfill
escalating
evapotranspiration
needs
due
afforestation
drying
climate.
highlights
persistent
hydrological
consequences
on
resources,
emphasizing
crucial
function
baseflow,
key
component
resource
management
water-limited
areas.
Land,
Journal Year:
2024,
Volume and Issue:
13(4), P. 442 - 442
Published: March 31, 2024
Soil
and
water
conservation
measures
(SWCMs)
are
vital
in
reducing
runoff
ultimately
affect
security
regional
development.
However,
previous
studies
have
mainly
focused
on
the
impact
of
a
single
SWCM,
neglecting
to
distinguish
between
effects
different
SWCMs
reduction.
A
Water
Assessment
Tool
(SWAT)
model
was
established
Jing
River
catchment
identify
responses
changes
resulting
from
climate
change
human
activities.
The
used
quantitatively
analyse
results
indicated
that
activities
contributed
significantly
more
reduction
than
change.
benefits
unit
area
for
each
SWCM
discharge,
surface
yield
at
outlet
were
ranked
as
follows:
changing
cultivated
land
forest
>
grassland
building
terraces
5–15°
slope
5–25°
15–25°
slope.
Regional
authorities
should
comprehensively
consider
various
reduction,
optimise
layout
vegetation
terracing
measures,
support
efficient
utilization
resources
catchment.
Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 3, 2024
ABSTRACT
Drylands
present
a
significant
challenge
to
global
agricultural
production,
especially
in
dryland
saline‐sodic
soils,
which
are
marked
by
poor
structure
and
low
infiltrability.
Enhancing
the
infiltration
capacity
of
these
soils
is
crucial
for
enhancing
soil
health
optimizing
land‐use
efficiency.
However,
few
studies
have
been
conducted
improve
physical
enhance
water
storage
through
waste.
This
study
aims
evaluate
effectiveness
cattle
manure
amendments
improving
related
properties
soils.
Our
results
show
that
mixing
into
topsoil
significantly
enhances
rates,
with
initial
stable
rates
increasing
on
average
64.5%
52.1%,
respectively,
over
three‐year
period.
These
improvements
associated
reduction
bulk
density
compressive
strength
6.9%
101.9%,
as
well
increases
total
porosity,
non‐capillary
organic
matter
6.6%,
24.7%,
8.7%,
respectively.
In
contrast,
mulching
has
no
impact
properties.
Structural
equation
models
reveal
content,
porosity
primary
influencing
whereas
strength,
key
factors
affecting
rate.
findings
demonstrated
incorporating
can
effectively
properties,
infiltrability,
content
highlight
potential
low‐infiltrability
offering
theoretical
basis
addressing
this
issue
semiarid
regions.
