Alfred S. McEwen

  • 15490 Citations
  • 69 h-Index
1983 …2018
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Research Output 1983 2018

  • 15490 Citations
  • 69 h-Index
  • 235 Article
  • 5 Conference contribution
  • 3 Review article
  • 1 Chapter
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Article
2018
5 Citations

A depth versus diameter scaling relationship for the best-preserved melt-bearing complex craters on Mars

Tornabene, L. L., Watters, W. A., Osinski, G. R., Boyce, J. M., Harrison, T. N., Ling, V. & McEwen, A. S., Jan 1 2018, In : Icarus. 299, p. 68-83 16 p.

Research output: Contribution to journalArticle

craters
mars
crater
Mars
melt
13 Citations

Exposed subsurface ice sheets in the Martian mid-latitudes

Dundas, C. M., Bramson, A. M., Ojha, L., Wray, J. J., Mellon, M. T., Byrne, S., McEwen, A. S., Putzig, N. E., Viola, D., Sutton, S., Clark, E. & Holt, J. W., Jan 12 2018, In : Science. 359, 6372, p. 199-201 3 p.

Research output: Contribution to journalArticle

ice sheet
ice
mantle
sublimation
obliquity

Geomorphological Evidence for Shallow Ice in the Southern Hemisphere of Mars

Viola, D. & McEwen, A. S., Jan 1 2018, In : Journal of Geophysical Research: Planets. 123, 1, p. 262-277 16 p.

Research output: Contribution to journalArticle

Geomorphology
geomorphology
thermokarst
Southern Hemisphere
mars
3 Citations

Secondary craters and ejecta across the solar system: Populations and effects on impact-crater–based chronologies

Bierhaus, E. B., McEwen, A. S., Robbins, S. J., Singer, K. N., Dones, L., Kirchoff, M. R. & Williams, J. P., Apr 1 2018, In : Meteoritics and Planetary Science. 53, 4, p. 638-671 34 p.

Research output: Contribution to journalArticle

chronology
ejecta
craters
solar system
crater
2017

Correcting spacecraft jitter in hirise images

Sutton, S. S., Boyd, A. K., Kirk, R. L., Cook, D., Backer, J. W., Fennema, A., Heyd, R., McEwen, A. S. & Mirchandani, S. D., Jul 25 2017, In : International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives. 42, 3W1, p. 141-148 8 p.

Research output: Contribution to journalArticle

Jitter
Spacecraft
spacecraft
Imaging techniques
Experiments
1 Citations

Lobate impact melt flows within the extended ejecta blanket of Pierazzo crater

Bray, V. J., Atwood-Stone, C., Neish, C. D., Artemieva, N. A., McEwen, A. S. & McElwaine, J. N., 2017, (Accepted/In press) In : Icarus.

Research output: Contribution to journalArticle

impact melts
blankets
ejecta
craters
crater

Seasonal Slumps in Juventae Chasma, Mars

Ojha, L., Chojnacki, M., McDonald, G. D., Shumway, A., Wolff, M. J., Smith, M. D., McEwen, A. S., Ferrier, K., Huber, C., Wray, J. J. & Toigo, A., Oct 1 2017, In : Journal of Geophysical Research: Planets. 122, 10, p. 2193-2214 22 p.

Research output: Contribution to journalArticle

mars
Mars
ice
dust storms
Ice
1 Citations

Subsurface volatile content of martian double-layer ejecta (DLE) craters

Viola, D., McEwen, A. S., Dundas, C. M. & Byrne, S., Mar 1 2017, In : Icarus. 284, p. 325-343 19 p.

Research output: Contribution to journalArticle

ejecta
craters
crater
ice
sublimate
2016
2 Citations

A new study of crater concentric ridges on the Moon

Atwood-Stone, C., Bray, V. J. & McEwen, A. S., Jul 15 2016, In : Icarus. 273, p. 196-204 9 p.

Research output: Contribution to journalArticle

moon
craters
crater
Moon
ridges
18 Citations

Changes in blast zone albedo patterns around new martian impact craters

Daubar, I. J., Dundas, C. M., Byrne, S., Geissler, P., Bart, G. D., McEwen, A. S., Russell, P. S., Chojnacki, M. & Golombek, M. P., Mar 15 2016, In : Icarus. 267, p. 86-105 20 p.

Research output: Contribution to journalArticle

blasts
albedo
craters
crater
fading
2 Citations

Determination of eruption temperature of Io's lavas using lava tube skylights

Davies, A. G., Keszthelyi, L. P. & McEwen, A. S., Nov 1 2016, In : Icarus. 278, p. 266-278 13 p.

Research output: Contribution to journalArticle

lava tube
Io
lava
volcanic eruptions
volcanic eruption
11 Citations

Geologic context of recurring slope lineae in Melas and Coprates Chasmata, Mars

Chojnacki, M., McEwen, A., Dundas, C., Ojha, L., Urso, A. & Sutton, S., Jul 1 2016, In : Journal of Geophysical Research E: Planets. 121, 7, p. 1204-1231 28 p.

Research output: Contribution to journalArticle

Surface waters
mars
Mars
surface water
slopes
17 Citations

Transport processes induced by metastable boiling water under Martian surface conditions

Massé, M., Conway, S. J., Gargani, J., Patel, M. R., Pasquon, K., McEwen, A., Carpy, S., Chevrier, V., Balme, M. R., Ojha, L., Vincendon, M., Poulet, F., Costard, F. & Jouannic, G., Jun 1 2016, In : Nature Geoscience. 9, 6, p. 425-428 4 p.

Research output: Contribution to journalArticle

transport process
surface pressure
saltation
liquid
Mars
2015
8 Citations

Agents of change on Mars' northern dunes: CO2 ice and wind

Hansen, C. J., Diniega, S., Bridges, N., Byrne, S., Dundas, C., McEwen, A. & Portyankina, G., May 1 2015, In : Icarus. 251, p. 264-274 11 p.

Research output: Contribution to journalArticle

dunes
mars
dune
Mars
ice
8 Citations

Episodes of fluvial and volcanic activity in Mangala Valles, Mars

Keske, A. L., Hamilton, C. W., McEwen, A. S. & Daubar, I. J., 2015, In : Icarus. 245, p. 333-347 15 p.

Research output: Contribution to journalArticle

mars
Mars
volcanology
outflow
lava
14 Citations

Expanded secondary craters in the Arcadia Planitia region, Mars: Evidence for tens of Myr-old shallow subsurface ice

Viola, D., McEwen, A. S., Dundas, C. M. & Byrne, S., Mar 1 2015, In : Icarus. 248, p. 190-204 15 p.

Research output: Contribution to journalArticle

craters
mars
crater
Mars
ice
40 Citations

Long-term monitoring of martian gully formation and evolution with MRO/HiRISE

Dundas, C. M., Diniega, S. & McEwen, A. S., May 1 2015, In : Icarus. 251, p. 244-263 20 p.

Research output: Contribution to journalArticle

gully
landforms
high resolution
monitoring
frost
13 Citations

Modeling the development of martian sublimation thermokarst landforms

Dundas, C. M., Byrne, S. & McEwen, A. S., Dec 1 2015, In : Icarus. 262, p. 154-169 16 p., 11665

Research output: Contribution to journalArticle

landforms
thermokarst
sublimation
landform
ice
18 Citations

New crater on the Moon and a swarm of secondaries

Robinson, M. S., Boyd, A. K., Denevi, B. W., Lawrence, S. J., McEwen, A. S., Moser, D. E., Povilaitis, R. Z., Stelling, R. W., Suggs, R. M., Thompson, S. D. & Wagner, R. V., May 5 2015, In : Icarus. 252, p. 229-235 7 p.

Research output: Contribution to journalArticle

moon
craters
crater
Moon
regolith
15 Citations

Origin of discrepancies between crater size-frequency distributions of coeval lunar geologic units via target property contrasts

van der Bogert, C. H., Hiesinger, H., Dundas, C. M., Krüger, T., McEwen, A. S., Zanetti, M. & Robinson, M. S., Aug 24 2015, (Accepted/In press) In : Icarus.

Research output: Contribution to journalArticle

frequency distribution
craters
crater
impact melts
melt
7 Citations

Relative depths of simple craters and the nature of the lunar regolith

Stopar, J. D., Robinson, M. S., Barnouin, O. S., McEwen, A. S., Speyerer, E. J., Henriksen, M. R. & Sutton, S. S., Sep 21 2015, (Accepted/In press) In : Icarus.

Research output: Contribution to journalArticle

regolith
craters
crater
digital terrain model
degradation
7 Citations

Slope activity in Gale crater, Mars

Dundas, C. M. & McEwen, A. S., Jul 1 2015, In : Icarus. 254, p. 213-218 6 p.

Research output: Contribution to journalArticle

Mars craters
crater
Mars
slopes
planetary protection
190 Citations

Spectral evidence for hydrated salts in recurring slope lineae on Mars

Ojha, L., Wilhelm, M. B., Murchie, S. L., Mcewen, A. S., Wray, J. J., Hanley, J., Massé, M. & Chojnacki, M., Oct 29 2015, In : Nature Geoscience. 8, 11, p. 829-832 4 p.

Research output: Contribution to journalArticle

Mars
salt
perchlorate
magnesium
liquid
5 Citations

The central uplift of Ritchey crater, Mars

Ding, N., Bray, V. J., McEwen, A. S., Mattson, S. S., Okubo, C. H., Chojnacki, M. & Tornabene, L. L., May 5 2015, In : Icarus. 252, p. 255-270 16 p.

Research output: Contribution to journalArticle

Mars craters
pyroxene
crater
Mars
calcium
111 Citations

Transient liquid water and water activity at Gale crater on Mars

Javier Martín-Torres, F. , Zorzano, M. P. , Valentín-Serrano, P. , Harri, A. M. , Genzer, M. , Kemppinen, O. , Rivera-Valentin, E. G. , Jun, I. , Wray, J. , Bo Madsen, M. , Goetz, W. , McEwen, A. S. , Hardgrove, C. , Renno, N. , Chevrier, V. F. , Mischna, M. , Navarro-González, R. , Martínez-Frías, J. , Conrad, P. , McConnochie, T. & 5 others Cockell, C., Berger, G., Vasavada, A. R., Sumner, D. & Vaniman, D., May 30 2015, In : Nature Geoscience. 8, 5, p. 357-361 5 p.

Research output: Contribution to journalArticle

crater
Mars
perchlorate
liquid
water
2014
88 Citations

A new analysis of mars "Special Regions": Findings of the second MEPAG special regions science analysis group (SR-SAG2)

Rummel, J. D. , Beaty, D. W. , Jones, M. A. , Bakermans, C. , Barlow, N. G. , Boston, P. J. , Chevrier, V. F. , Clark, B. C. , De Vera, J. P. P. , Gough, R. V. , Hallsworth, J. E. , Head, J. W. , Hipkin, V. J. , Kieft, T. L. , Mcewen, A. S. , Mellon, M. T. , Mikucki, J. A. , Nicholson, W. L. , Omelon, C. R. , Peterson, R. & 5 others Roden, E. E., Sherwood Lollar, B., Tanaka, K. L., Viola, D. & Wray, J. J., Nov 1 2014, In : Astrobiology. 14, 11, p. 887-968 82 p.

Research output: Contribution to journalArticle

Mars exploration
Mars
mars
planetary protection
organisms
33 Citations

HiRISE observations of new impact craters exposing Martian ground ice

Dundas, C. M., Byrne, S., McEwen, A. S., Mellon, M. T., Kennedy, M. R., Daubar, I. J. & Saper, L., Jan 2014, In : Journal of Geophysical Research: Space Physics. 119, 1, p. 109-127 19 p.

Research output: Contribution to journalArticle

Ice
craters
crater
ice
regolith
35 Citations

HiRISE observations of Recurring Slope Lineae (RSL) during southern summer on Mars

Ojha, L., McEwen, A., Dundas, C., Byrne, S., Mattson, S., Wray, J., Masse, M. & Schaefer, E., Mar 1 2014, In : Icarus. 231, p. 365-376 12 p.

Research output: Contribution to journalArticle

mars
summer
Mars
slopes
equators
10 Citations

Io volcano observer (IVO): Budget travel to the outer Solar System

McEwen, A., Turtle, E., Hibbard, K., Reynolds, E. & Adams, E., 2014, In : Acta Astronautica. 93, p. 539-544 6 p.

Research output: Contribution to journalArticle

Volcanoes
Solar system
Ions
Mass spectrometers
Magnetometers
85 Citations

Recurring slope lineae in equatorial regions of Mars

McEwen, A. S., Dundas, C. M., Mattson, S. S., Toigo, A. D., Ojha, L., Wray, J. J., Chojnacki, M., Byrne, S., Murchie, S. L. & Thomas, N., 2014, In : Nature Geoscience. 7, 1, p. 53-58 6 p.

Research output: Contribution to journalArticle

Mars
liquid
water
canyon
albedo
14 Citations

Spectroscopy and detectability of liquid brines on mars

Massé, M., Beck, P., Schmitt, B., Pommerol, A., McEwen, A., Chevrier, V., Brissaud, O. & Séjourné, A., 2014, In : Planetary and Space Science. 92, p. 136-149 14 p.

Research output: Contribution to journalArticle

brines
mars
Mars
spectroscopy
liquid
20 Citations

The morphology of small fresh craters on Mars and the Moon

Daubar, I. J., Atwood-Stone, C., Byrne, S., McEwen, A. S. & Russell, P. S., 2014, In : Journal of Geophysical Research: Planets. 119, 12, p. 2620-2639 20 p.

Research output: Contribution to journalArticle

Moon
moon
craters
mars
crater
2013
40 Citations

A new dry hypothesis for the formation of martian linear gullies

Diniega, S., Hansen, C. J., McElwaine, J. N., Hugenholtz, C. H., Dundas, C. M., McEwen, A. S. & Bourke, M. C., Jul 2013, In : Icarus. 225, 1, p. 526-537 12 p.

Research output: Contribution to journalArticle

gully
mars
Mars
dunes
sublimation
27 Citations

An impact origin for hydrated silicates on Mars: A synthesis

Tornabene, L. L., Osinski, G. R., McEwen, A. S., Wray, J. J., Craig, M. A., Sapers, H. M. & Christensen, P. R., 2013, In : Journal of Geophysical Research: Space Physics. 118, 5, p. 994-1012 19 p.

Research output: Contribution to journalArticle

Silicates
silicates
mars
Mars
silicate
26 Citations

Avalanche slope angles in low-gravity environments from active Martian sand dunes

Atwood-Stone, C. & McEwen, A. S. Jun 28 2013 In : Geophysical Research Letters. 40, 12, p. 2929-2934 6 p.

Research output: Contribution to journalArticle

dunes
slope angle
avalanche
microgravity
avalanches
27 Citations

Mineralogy and morphology of geologic units at Libya Montes, Mars: Ancient aqueously derived outcrops, mafic flows, fluvial features, and impacts

Bishop, J. L. , Tirsch, D. , Tornabene, L. L. , Jaumann, R. , McEwen, A. S. , McGuire, P. C. , Ody, A. , Poulet, F. , Clark, R. N. , Parente, M. , McKeown, N. K. , Mustard, J. F. , Murchie, S. L. , Voigt, J. , Aydin, Z. , Bamberg, M. , Petau, A. , Michael, G. , Seelos, F. P. , Hash, C. D. & 2 others Swayze, G. A. & Neukum, G., 2013, In : Journal of Geophysical Research: Space Physics. 118, 3, p. 487-513 27 p.

Research output: Contribution to journalArticle

Libya
Bearings (structural)
Mineralogy
outcrops
smectite
19 Citations

Observations of the northern seasonal polar cap on Mars: I. Spring sublimation activity and processes

Hansen, C. J., Byrne, S., Portyankina, G., Bourke, M., Dundas, C., McEwen, A., Mellon, M., Pommerol, A. & Thomas, N., Aug 2013, In : Icarus. 225, 2, p. 881-897 17 p.

Research output: Contribution to journalArticle

dunes
polar caps
sublimation
mars
dune
21 Citations

Photometric properties of Mars soils analogs

Pommerol, A., Thomas, N., Jost, B., Beck, P., Okubo, C. & McEwen, A. S., Oct 2013, In : Journal of Geophysical Research: Space Physics. 118, 10, p. 2045-2072 28 p.

Research output: Contribution to journalArticle

mars
Mars
soils
soil properties
analogs
17 Citations

Spectral constraints on the formation mechanism of recurring slope lineae

Ojha, L., Wray, J. J., Murchie, S. L., McEwen, A. S., Wolff, M. J. & Karunatillake, S., Nov 16 2013, In : Geophysical Research Letters. 40, 21, p. 5621-5626 6 p.

Research output: Contribution to journalArticle

formation mechanism
slopes
spectral signatures
temperate regions
wetting
69 Citations

The current martian cratering rate

Daubar, I. J., McEwen, A. S., Byrne, S., Kennedy, M. R. & Ivanov, B., Jul 2013, In : Icarus. 225, 1, p. 506-516 11 p.

Research output: Contribution to journalArticle

cratering
crater
craters
slopes
Mars
2012
7 Citations

Impact airblast triggers dust avalanches on Mars

Burleigh, K. J., Melosh, H. J., Tornabene, L. L., Ivanov, B., McEwen, A. S. & Daubar, I. J., Jan 2012, In : Icarus. 217, 1, p. 194-201 8 p.

Research output: Contribution to journalArticle

avalanche
mars
avalanches
Mars
actuators
9 Citations
digital terrain model
crater
rings
basin
craters
13 Citations

Layered MegaBlocks in the central uplifts of impact craters

Caudill, C. M., Tornabene, L. L., McEwen, A. S., Byrne, S., Ojha, L. & Mattson, S., Nov 2012, In : Icarus. 221, 2, p. 710-720 11 p.

Research output: Contribution to journalArticle

craters
crater
uplift
bedrock
lava
81 Citations

Planet-wide sand motion on mars

Bridges, N. T., Bourke, M. C., Geissler, P. E., Banks, M. E., Colon, C., Diniega, S., Golombek, M. P., Hansen, C. J., Mattson, S., Mcewen, A. S., Mellon, M. T., Stantzos, N. & Thomson, B. J., Jan 2012, In : Geology. 40, 1, p. 31-34 4 p.

Research output: Contribution to journalArticle

ripple
Mars
planet
sand
dune
60 Citations

Seasonal activity and morphological changes in martian gullies

Dundas, C. M., Diniega, S., Hansen, C. J., Byrne, S. & McEwen, A. S., Jul 2012, In : Icarus. 220, 1, p. 124-143 20 p.

Research output: Contribution to journalArticle

gully
dunes
defrosting
time measurement
Mars Reconnaissance Orbiter
17 Citations

The present-day flux of large meteoroids on the lunar surface - A synthesis of models and observational techniques

Oberst, J., Christou, A., Suggs, R., Moser, D., Daubar, I. J., McEwen, A. S., Burchell, M., Kawamura, T., Hiesinger, H., Wünnemann, K., Wagner, R. & Robinson, M. S., Dec 2012, In : Planetary and Space Science. 74, 1, p. 179-193 15 p.

Research output: Contribution to journalArticle

lunar surface
meteoroids
crater
Moon
synthesis
47 Citations

Widespread crater-related pitted materials on Mars: Further evidence for the role of target volatiles during the impact process

Tornabene, L. L., Osinski, G. R., McEwen, A. S., Boyce, J. M., Bray, V. J., Caudill, C. M., Grant, J. A., Hamilton, C. W., Mattson, S. & Mouginis-Mark, P. J., Aug 2012, In : Icarus. 220, 2, p. 348-368 21 p.

Research output: Contribution to journalArticle

craters
mars
crater
Mars
deposits
2011
33 Citations

A geomorphic analysis of Hale crater, Mars: The effects of impact into ice-rich crust

Jones, A. P., McEwen, A. S., Tornabene, L. L., Baker, V. R., Melosh, H. J. & Berman, D. C., Jan 2011, In : Icarus. 211, 1, p. 259-272 14 p.

Research output: Contribution to journalArticle

Mars craters
craters
crater
Mars
crusts
15 Citations
Ethiopia
Io
thermal emission
lava
lakes
16 Citations

Evidence of volcanic and glacial activity in Chryse and Acidalia Planitiae, Mars

Martínez-Alonso, S., Mellon, M. T., Banks, M. E., Keszthelyi, L. P. & McEwen, A. S., Apr 2011, In : Icarus. 212, 2, p. 597-621 25 p.

Research output: Contribution to journalArticle

landforms
mars
landform
Mars
volcanology