Scientific Data,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: Feb. 15, 2024
Abstract
Reservoirs
play
a
crucial
role
in
regulating
water
availability
and
enhancing
security.
Here,
we
develop
NASA’s
Visible
Infrared
Imaging
Radiometer
Suite
(VIIRS)
based
Global
Water
Reservoir
(GWR)
product,
consisting
of
measurements
reservoir
area,
elevation,
storage,
evaporation
rate,
loss
for
164
large
global
reservoirs.
The
dataset
is
available
at
8-day
monthly
temporal
resolutions.
Since
the
Moderate
Resolution
Spectroradiometer
(MODIS)
close
to
end
its
life,
further
evaluated
consistency
between
MODIS
VIIRS-based
GWR
ensure
continuity
20+
year
product.
Independent
assessment
VIIRS
storage
(8-day)
retrievals
against
in-situ
shows
an
average
R
2
=
0.84,
RMSE
0.47
km
3
,
NRMSE
16.45%.
rate
has
0.56,
1.32
mm/day,
28.14%.
Furthermore,
results
show
good
(R
≥
0.90)
MODIS-based
product
components,
confirming
that
long-term
data
can
be
achieved.
This
provide
valuable
insights
trend
analysis,
hydrological
modeling,
understanding
hydroclimatic
extremes
context
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: March 22, 2023
Abstract
Rivers
are
among
the
most
diverse,
dynamic,
and
productive
ecosystems
on
Earth.
River
flow
regimes
constantly
changing,
but
characterizing
understanding
such
changes
have
been
challenging
from
a
long-term
global
perspective.
By
analyzing
water
extent
variations
observed
four-decade
Landsat
imagery,
we
here
provide
attribution
of
recent
in
river
regime
to
morphological
dynamics
(e.g.,
channel
shifting
anabranching),
expansion
induced
by
new
dams,
hydrological
signals
widening
narrowing.
Morphological
prevailed
~20%
area.
Booming
reservoir
constructions,
mostly
skewed
Asia
South
America,
contributed
~32%
widening.
The
remaining
were
characterized
contrasting
hotspots,
including
prominent
alpine
pan-Arctic
regions
narrowing
arid/semi-arid
continental
interiors,
driven
varying
trends
climate
forcing,
cryospheric
response
warming,
human
management.
Our
findings
suggest
that
diverge
based
hydroclimate
socio-economic
conditions,
besides
reflecting
ongoing
morphodynamical
processes,
show
close
connections
with
external
forcings,
change
anthropogenic
interference.
Environmental Science and Ecotechnology,
Journal Year:
2023,
Volume and Issue:
19, P. 100337 - 100337
Published: Nov. 14, 2023
The
spatiotemporal
variability
of
lake
partial
carbon
dioxide
pressure
(pCO2)
introduces
uncertainty
into
CO2
flux
estimates
at
the
water-air
interface.
Knowing
variation
pattern
pCO2
is
important
for
obtaining
accurate
global
estimation.
Here
we
examine
seasonal
and
trophic
variations
in
based
on
13
field
campaigns
conducted
Chinese
lakes
from
2017
to
2021.
We
found
significant
fluctuations
pCO2,
with
decreasing
values
as
states
intensify
within
same
region.
Saline
exhibit
lower
levels
than
freshwater
lakes.
These
dynamics
result
variable
areal
emissions,
exhibiting
different
(oligotrophication
>
mesotrophication
eutrophication)
saline
differing
(-23.1
±
17.4
vs.
19.3
18.3
mmol
m-2
d-1).
complicate
total
emission
estimations.
Using
area
proportions
varying
salinity
China,
estimate
China's
8.07
Tg
C
yr-1.
In
future
studies,
importance
accounting
salinity,
dynamics,
must
be
noticed
enhance
accuracy
large-scale
ecosystems
context
climate
change.
Environmental Challenges,
Journal Year:
2024,
Volume and Issue:
15, P. 100887 - 100887
Published: March 5, 2024
Climate
change
is
an
inevitable
phenomenon
and
no
longer
a
myth.
new
rising
problem
in
South
Asia;
Pakistan
suffers
from
its
disastrous
effects.
This
review
examines
the
risks
effects
of
climate
Asia,
particularly
Pakistan.
It
seeks
to
illuminate
recent
floods'
environmental,
social,
economic
implications,
analyze
causes
region's
heightened
susceptibility,
evaluate
current
measures
policies
mitigate
these
The
assessment
also
identify
research
policy
gaps,
environmental
funding
Sustainable
Development
Goals
(SDGs).
results
indicate
that
weather
trends,
including
glacier
melting,
lake
outburst
floods
(GLOFs),
extraordinary
monsoon
rainfall,
caused
July
September
2022.
Pakistan's
population
more
despite
contributing
less
than
1%
global
greenhouse
gas
emissions.
Rapid
industrialization,
fossil
fuel
use,
plastic
deforestation
worsen
situation.
emphasizes
benefits
reservoir
management
dam
development
strengthening
ecosystems
reducing
flood
risks.
stresses
importance
integrating
into
socio-economic
political
framework
for
sustainable
outcomes.
need
comprehensive,
coordinated
agreements
Asia.
Governments
can
prevent
build
resilient
future
by
prioritizing
development,
innovative
adaptation
methods,
international
collaboration.
recommends
increasing
water-related
research,
improving
risk
mitigation
strategies,
using
knowledge
diverse
domains
develop
combat
change.
alignment
with
SDGs
indicates
addressing
injustice's
fundamental
improve
strategies
limiting
temperature
increases
1.5°C
protect
ecosystems,
human
health,
stability,
especially
low
middle-income
countries
where
threats
could
impair
SDGs.
