Study on the evolution of ecological flow in river and its guarantee degree during different hydrological periods
Xue Chen,
No information about this author
Qin Li,
No information about this author
Zhuo Jia
No information about this author
et al.
Journal of Cleaner Production,
Journal Year:
2025,
Volume and Issue:
unknown, P. 144761 - 144761
Published: Jan. 1, 2025
Language: Английский
Quantifying the Impacts of Climate Change and Human Activities on Runoff in the Upper Yongding River Basin
Journal of Hydrologic Engineering,
Journal Year:
2025,
Volume and Issue:
30(2)
Published: Jan. 6, 2025
Language: Английский
Influence of land use and landscape pattern on legacy nitrogen pollution in a typical watershed in eastern China
Yucang Wang,
No information about this author
Hao Wu,
No information about this author
Zheqi Pan
No information about this author
et al.
CATENA,
Journal Year:
2025,
Volume and Issue:
256, P. 109129 - 109129
Published: May 8, 2025
Language: Английский
Multi-Objective Ecological Long-Term Operation of Cascade Reservoirs Considering Hydrological Regime Alteration
Changjiang Xu,
No information about this author
Di Zhu,
No information about this author
Wei Guo
No information about this author
et al.
Water,
Journal Year:
2024,
Volume and Issue:
16(13), P. 1849 - 1849
Published: June 28, 2024
Constructing
and
operating
cascade
reservoirs
significantly
contribute
to
comprehensive
basin
water
resource
management,
while
altering
natural
hydrological
regimes
of
rivers,
which
imposes
negative
impacts
on
riverine
ecology.
The
main
aim
this
study
is
synergistically
optimize
the
objectives
increasing
hydropower
generation
alleviating
regime
alteration
for
reservoirs.
This
first
proposed
a
dynamic
time
warping
scenario
backward
reduction
(DTW-SBR)
framework
extract
streamflow
scenarios
from
historical
series
regarded
as
benchmarks
calculating
deviation
degrees
regimes.
Then
multi-objective
long-term
operation
model
considering
hydroelectricity
was
formed
minimizing
at
downstream
section
(O1)
maximizing
(O2).
non-dominated
sorting
genetic
algorithm-II
(NSGA-II)
combined
with
conventional
(CO)
rules
adopted
produce
Pareto-front
solutions
derive
recommended
policies
guiding
six
large
in
middle
reaches
Jinsha
River,
China
10-day
runoff
dataset
spanning
1953
2015
constitute
case
study.
results
showed
that
nine
were
extracted
O1
by
DTW-SBR
framework,
could
reflect
intra-
inter-
annual
variability
Panzhihua
station.
obtained
NSGA-II
revealed
competitive
relationships
between
O2.
As
compared
CO
reservoirs,
value
be
reduced
up
42,312
(corresponding
rate
10.51%)
O2
improved
1752
×
108
kW·h
5.14%).
Based
inclination
dominated
different
objectives,
three
typical
schemes,
A,
B
C,
chosen
solutions;
Scheme
A
considered
solution,
simultaneously
23,965
5.95%
increased
5.14%,
rules.
can
provide
references
boosting
synergies
production
restoration
ecological
Language: Английский
Flow regime alteration in Arctic rivers due to dam operations and climate change
Global and Planetary Change,
Journal Year:
2024,
Volume and Issue:
237, P. 104442 - 104442
Published: April 19, 2024
Arctic
rivers
and
water
resources
currently
experience
significant
hydrological
changes
due
to
climate
change
global
warming.
The
flow
regime
alteration
in
strongly
influences
the
conservation
sustainability
of
native
biodiversity
riverine
ecosystem.
major
characteristics
daily
monthly
seven
arctic
has
been
assessed
this
study.
(40–120
years)
at
outlet
Lena
River,
Yenisey
Kolyma
Ob'
River
Russia;
Yukon
USA;
Mackenzie
Canada;
Tana
Norway
was
used.
Except
for
rest
these
have
regulated.
In
addition,
headwater
below
sixteen
dams
assessed.
research,
we
applied
'Indicator
Hydrologic
Alteration'
(IHA)
'River
Impact'
(RI)
methods
estimate
river.
Based
on
analysis,
most
observed
Ob
rivers.
hydropower
shows
lowest
impact,
while
Shushenskaya
Dam
highest
impact
regime.
Language: Английский
Human Activities Impacts on Runoff and Ecological Flow in the Huangshui River of the Yellow River Basin, China
Lanxin Liu,
No information about this author
Lijuan Fan,
No information about this author
Jing Hu
No information about this author
et al.
Water,
Journal Year:
2024,
Volume and Issue:
16(16), P. 2331 - 2331
Published: Aug. 19, 2024
This
study
analyzed
61
years
of
hydrological
data
from
the
Minhe
and
Xiangtang
Hydrological
Stations
(1956–2016)
to
examine
changes
ecological
flow
assurance
rates
in
Huangshui
River
Basin,
China.
Using
Mann–Kendall
trend
test,
IHA/RVA
method,
calculation
methods,
revealed
following
results:
(1)
After
1994,
increased
human
activity
Datong
led
a
measured
runoff
decrease
compared
natural
runoff.
Although
activities
River’s
main
stream
were
present
before
1972,
after
these
intensified,
resulting
more
pronounced
(2)
Ecological
analysis
indicated
that
have
100%
for
all
but
few
months,
where
are
98%.
The
water
volume
is
sufficiently
abundant
meet
demands.
Language: Английский