The Planetary Science Journal,
Journal Year:
2021,
Volume and Issue:
2(5), P. 209 - 209
Published: Oct. 1, 2021
Abstract
Mars
Polar
Science
is
a
subfield
of
science
that
encompasses
all
studies
the
cryosphere
and
its
interaction
with
Martian
environment.
Every
4
yr,
community
scientists
dedicated
to
this
meets
discuss
new
findings
debate
open
issues
in
International
Conference
on
Exploration
(ICMPSE).
This
paper
summarizes
proceedings
seventh
ICMPSE
progress
made
since
sixth
edition.
We
highlight
most
important
advances
present
salient
questions
field
today,
as
discussed
agreed
upon
by
participants
conference.
also
feature
agreed-upon
suggestions
for
future
methods,
measurements,
instruments,
missions
would
be
essential
answering
main
presented.
work
thus
an
overview
current
status
intended
serve
road
map
direction
during
next
yr
beyond,
helping
shape
contribution
within
larger
context
planetary
exploration.
Science Advances,
Journal Year:
2022,
Volume and Issue:
8(21)
Published: May 25, 2022
Despite
the
importance
of
sand
and
dust
to
Mars
geomorphology,
weather,
exploration,
processes
that
move
raise
maintain
Mars'
ubiquitous
haze
produce
storms
have
not
been
well
quantified
in
situ,
with
missions
lacking
either
necessary
sensors
or
a
sufficiently
active
aeolian
environment.
Perseverance
rover's
novel
environmental
Jezero
crater's
dusty
environment
remedy
this.
In
Perseverance's
first
216
sols,
four
convective
vortices
raised
locally,
while,
on
average,
passed
rover
daily,
over
25%
which
were
significantly
("dust
devils").
More
rarely,
lifting
by
nonvortex
wind
gusts
was
produced
daytime
convection
cells
advected
crater
strong
regional
upslope
winds,
also
control
surface
features.
One
such
event
covered
10
times
more
area
than
largest
devil,
suggesting
devils
could
equal
amounts
under
nonstorm
conditions.
Remote Sensing,
Journal Year:
2022,
Volume and Issue:
14(10), P. 2403 - 2403
Published: May 17, 2022
Many
discoveries
of
active
surface
processes
on
Mars
have
been
made
due
to
the
availability
repeat
high-resolution
images
from
High
Resolution
Imaging
Science
Experiment
(HiRISE)
onboard
Reconnaissance
Orbiter.
HiRISE
stereo
are
used
make
digital
terrain
models
(DTMs)
and
orthorectified
(orthoimages).
DTMs
orthoimage
time
series
crucial
for
advancing
study
such
as
recurring
slope
lineae,
dune
migration,
gully
activity,
polar
processes.
We
describe
process
making
DTMs,
series,
DTM
mosaics,
difference
specifically
using
ISIS/SOCET
Set
workflow.
produced
at
a
1
2
m
ground
sample
distance,
with
corresponding
estimated
vertical
precision
tens
cm
∼1
m,
respectively.
To
date,
more
than
6000
pairs
acquired
by
and,
these,
800
2700
orthoimages
available
public
via
Planetary
Data
System.
The
intended
audiences
this
paper
producers,
well
users,
orthoimages.
discuss
factors
that
determine
effective
resolution,
quality,
precision,
accuracy
provide
examples
their
use
in
analyses
Mars.
Icarus,
Journal Year:
2023,
Volume and Issue:
419, P. 115851 - 115851
Published: Nov. 4, 2023
Over
the
last
16
years,
Mars
Climate
Sounder
(MCS)
onboard
Reconnaissance
Orbiter
(MRO)
has
acquired
a
large
body
of
surface
observations
at
visible
and
thermal
infrared
wavelengths.
Primary
differentiators
between
MCS
record
other
datasets
include
mission
duration,
regular
global
coverage,
high
emission
angles
associated
with
most
observations.
These
data
have
been
analyzed
to
generate
median
apparent
inertia
map
that
smooths
out
artificial
spatial
variability
(i.e.,
streaking
along
orbital
ground
tracks)
common
in
maps.
At
mid
low
latitudes,
angle
yield
similar
nighttime
values
compared
nadir
observations,
even
if
grazing
should
favor
vertically
rough
materials
oriented
towards
material
poking
ground,
presumably
rocks
scarps).
This
result
independently
confirms
fines
control
Martian
inertia,
not
rocks,
also
suggests
rock
bedrock
exposures
generally
be
characterized
by
aspect
ratios
appear
platy
or
flat,
unbeknownst
subsurface
shape).
Selected
temperature
maps
are
presented.
They
show
influence
polar
processes,
latitudinal
distribution
exposed
ices,
physical
properties
regolith
on
temperatures.
Temperature
controls
regional
scales
variation
insolation
season
latitude,
atmospheric
composition,
circulation,
presence
snow
precipitations,
various
albedo
inertia).
Journal of Geophysical Research Planets,
Journal Year:
2021,
Volume and Issue:
126(8)
Published: July 3, 2021
Abstract
Mars
exhibits
diverse
surface
changes
at
all
latitudes
and
seasons.
Active
processes
include
impact
cratering,
aeolian
sand
dust
transport,
a
variety
of
slope
processes,
in
polar
ices,
effects
seasonal
CO
2
frost.
The
extent
change
has
been
surprising
indicates
that
the
present
climate
is
capable
reshaping
surface.
Activity
important
implications
for
Amazonian
history
Mars:
understanding
necessary
step
before
we
can
understand
their
variations
over
time.
Icarus,
Journal Year:
2023,
Volume and Issue:
419, P. 115795 - 115795
Published: Sept. 16, 2023
The
Mars
Reconnaissance
Orbiter
has
been
orbiting
since
2006
and
acquired
>80,000
HiRISE
images
with
sub-meter
resolution,
contributing
to
over
2000
peer-reviewed
publications,
provided
the
data
needed
enable
safe
surface
landings
in
key
locations
by
several
rovers
or
landers.
This
paper
describes
changes
science
planning,
processing,
analysis
tools
initial
Primary
Science
Phase
2006–2008.
These
affect
used
requested
community
how
they
should
interpret
data.
There
have
a
variety
of
complications
dataset
years,
such
as
gaps
monitoring
due
spacecraft
instrument
issues
special
events
like
arrival
new
landers
on
global
dust
storms.
optics
performed
well
except
for
period
when
temperature
uniformity
was
perturbed,
reducing
resolution
some
images.
focal
plane
system
now
12
rather
than
14
operational
detectors.
first
failure
(2011)
unit
at
edge
swath
width,
image
width
10%
creating
gap.
recent
(2023)
middle
swath.
An
unusual
problem
analog-to-digital
conversion
signal
(resulting
erroneous
data)
worsened
time;
mitigation
steps
so
far
preserved
full-resolution
imaging
all
functional
Soon,
will
be
narrowed
subset
detectors
there
more
2
×
binned
We
describe
lessons
received
future
very
high-resolution
orbital
imaging.
continue
invite
interested
people
suggest
targets
via
HiWish,
explore
easy-to-use
publicly
available
Journal of Geophysical Research Planets,
Journal Year:
2025,
Volume and Issue:
130(4)
Published: April 1, 2025
Abstract
Mars
may
have
had
an
ancient
ocean
filling
its
northern
lowlands
until
around
3.5
billion
years
ago.
The
existence
or
lack
of
such
a
large
body
water
would
important
implications
on
the
martian
climate,
landscapes,
and
habitability.
One
proposed
piece
evidence
is
preserved
paleoshorelines
surface
along
dichotomy
boundary.
Paleoshorelines
Earth
are
often
recognized
as
subtle
breaks
in
slopes
that
laterally
persistent
at
consistent
elevations.
Is
it
probable,
even
possible,
paleoshoreline
topography
might
persist
for
years,
slow
erosion
rates
estimated
surface?
Here,
we
use
topographic
data
showing
well‐preserved
Earth‐analog
erosional
from
Lake
Bonneville
modern
day
Utah
numerically
model
their
Mars‐like
years.
Depending
chosen
diffusivity
value
scale
terrain
used
each
experiment,
identifiable
features
not
after
modeled
erosion;
higher
diffusivities
smaller
scales
favor
larger
favoring
preservation.
Journal of Geophysical Research Planets,
Journal Year:
2022,
Volume and Issue:
127(10)
Published: Oct. 1, 2022
Abstract
The
evidence
for
an
ancient
ocean
in
Mars'
northern
hemispheric
basin
during
the
Noachian/Hesperian
is
contentious.
Much
of
work
based
on
modern
topography
by
assuming
that
erosion
has
not
significantly
reshaped
Martian
surface
over
last
3.5
billion
years,
despite
to
contrary.
Here,
we
provide
new
a
or
large
sea
stratigraphic
analysis
sedimentary
fill
exposed
at
Aeolis
Dorsa.
We
mapped
6,500
km
fluvial
ridges,
grouped
them
into
20
systems,
and
present
they
are
eroded
remnants
river
deltas
submarine‐channel
belts,
together
defining
stratigraphy
margin.
used
Context
Camera
stereo‐pair
elevation
models
measure
positions
each
system
branching
directions
determine
paleoflow
directions.
By
grouping
landforms
position
directions,
reconstructed
paleogeography
Dorsa
5
timesteps;
all
cases
differ
from
topography.
tracked
initial
regression
later
transgression
shoreline
least
900
m
sea‐level
rise,
scale
consistent
with
warm
wet
early
Mars.
