Evaluation of the Extreme Precipitation and Runoff Flow Characteristics in a Semiarid Sub-Basin Based on Three Satellite Precipitation Products
Hydrology,
Год журнала:
2025,
Номер
12(4), С. 89 - 89
Опубликована: Апрель 15, 2025
In
this
study,
we
analyzed
the
suitability
of
using
CHIRPS,
CMORPH
and
TRMM
platforms
in
monitoring
extreme
precipitation
events,
precipitation–runoff
relationships,
seasonal/year-to-year
variability
Saltito
semiarid
sub-basin
Mexican
state
Durango.
Satellite
products
(SPP)
16
sites
were
contrasted
point
to
with
data
from
rainfall
gauge
stations
a
daily
temporal
resolution
for
period
four
years
(2015–2019).
Using
information,
constructed
Rx1d,
Rx2d,
R25mm,
RR95
indices.
For
runoff
model
based
on
Storm
Water
Management
Model
(SWMM)
was
calibrated
validated
data,
obtained
Qx1d,
Qx2d,
Qx3d
We
used
bias
volume
(%),
MSE,
correlation
coefficient,
median
evaluate
ability
satellite
detect
analyze
run
flow
events.
Although
these
sensors
tend
overestimate
both
levels
occurrence
their
high
spatial
resolutions
make
them
reliable
tool
analysis
trends
climate
change
As
result,
they
serve
as
useful
resource
evaluating
intensity
region,
particularly
terms
patterns.
They
also
allow
hydrological
modeling
observation
relationships.
This
is
relevant
absence
hydrometric
which
usually
common
vast
regions
developing
world.
Язык: Английский
Comparing SWMM and HEC-RAS Hydrological Modeling Performance in Semi-Urbanized Watershed
Water,
Год журнала:
2025,
Номер
17(9), С. 1331 - 1331
Опубликована: Апрель 29, 2025
One
of
the
most
common
applications
hydrological
models
is
in
studying
urban
watersheds,
with
distributed
and
semi-distributed
being
used
more
frequently.
The
choice
modeling
tools
selection
processes
to
represent
dependent
on
objectives,
available
resources,
scale
study.
Certain
setup
parameters
can
have
important
effects
model
accuracy,
such
as
representation
aquifer
components,
detailed
surface
storage,
discretization,
among
others.
these
are
often
unknown
since
studies
do
not
systematically
alter
nor
consider
different
tools.
This
study
performs
a
comparative
analysis
between
SWMM
HEC-RAS
describing
response
semi-urbanized
headwater
watershed
Alabama.
Within
each
model,
were
varied
accuracy
assessed
stream
depth
velocity
collected
field.
results
showed
that
impactful
existence
an
component
well
careful
storage.
Conversely,
comparable
when
was
present,
but
runoff
highly
overpredicted
infiltration
considered.
These
indicate
limitations
rain-on-grid
neglect
interactions
shallow
groundwater.
Язык: Английский