Alfred S. McEwen

  • 18358 Citations
  • 74 h-Index
1983 …2020

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2012

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 1 2012, In : Icarus. 221, 2, p. 710-720 11 p.

Research output: Contribution to journalArticle

15 Scopus 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 1 2012, In : Geology. 40, 1, p. 31-34 4 p.

Research output: Contribution to journalArticle

92 Scopus citations

Seasonal activity and morphological changes in martian gullies

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

Research output: Contribution to journalArticle

90 Scopus 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 1 2012, In : Planetary and Space Science. 74, 1, p. 179-193 15 p.

Research output: Contribution to journalArticle

26 Scopus 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

60 Scopus citations
2011

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 1 2011, In : Icarus. 211, 1, p. 259-272 14 p.

Research output: Contribution to journalArticle

48 Scopus citations
19 Scopus 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 1 2011, In : Icarus. 212, 2, p. 597-621 25 p.

Research output: Contribution to journalArticle

19 Scopus citations

Field reconnaissance geologic mapping of the Columbia Hills, Mars, based on Mars Exploration Rover Spirit and MRO HiRISE observations

Crumpler, L. S., Arvidson, R. E., Squyres, S. W., McCoy, T., Yingst, A., Ruff, S., Farrand, W., McSween, Y., Powell, M., Ming, D. W., Morris, R. V., Bell, J. F., Grant, J., Greeley, R., Desmarais, D., Schmidt, M., Cabrol, N. A., Haldemann, A., Lewis, K. W., Wang, A. E. & 15 others, Schröder, C., Blaney, D., Cohen, B., Yen, A., Farmer, J., Gellert, R., Guinness, E. A., Herkenhoff, K. E., Johnson, J. R., Klingelhfer, G., McEwen, A., Rice, J. W., Rice, M., Desouza, P. & Hurowitz, J., Jul 15 2011, In : Journal of Geophysical Research E: Planets. 116, 7, E00F24.

Research output: Contribution to journalArticle

18 Scopus citations

Rapid and extensive surface changes near Titan's equator: Evidence of April showers

Turtle, E. P., Perry, J. E., Hayes, A. G., Lorenz, R. D., Barnes, J. W., McEwen, A. S., West, R. A., Del Genio, A. D., Barbara, J. M., Lunine, J. I., Schaller, E. L., Ray, T. L., Lopes, R. M. C. & Stofan, E. R., Mar 18 2011, In : Science. 331, 6023, p. 1414-1417 4 p.

Research output: Contribution to journalArticle

135 Scopus citations

Seasonal changes in Titan's meteorology

Turtle, E. P., Del Genio, A. D., Barbara, J. M., Perry, J. E., Schaller, E. L., McEwen, A. S., West, R. A. & Ray, T. L., Feb 1 2011, In : Geophysical Research Letters. 38, 3, L03203.

Research output: Contribution to journalArticle

63 Scopus citations

Seasonal erosion and restoration of Mars' northern polar dunes

Hansen, C. J., Bourke, M., Bridges, N. T., Byrne, S., Colon, C., Diniega, S., Dundas, C., Herkenhoff, K., McEwen, A., Mellon, M., Portyankina, G. & Thomas, N., Feb 4 2011, In : Science. 331, 6017, p. 575-578 4 p.

Research output: Contribution to journalArticle

113 Scopus citations

Seasonal flows on warm Martian slopes

McEwen, A. S., Ojha, L., Dundas, C. M., Mattson, S. S., Byrne, S., Wray, J. J., Cull, S. C., Murchie, S. L., Thomas, N. & Gulick, V. C., Aug 5 2011, In : Science. 333, 6043, p. 740-743 4 p.

Research output: Contribution to journalArticle

310 Scopus citations

Shoreline retreat at Titan's Ontario Lacus and Arrakis Planitia from Cassini Imaging Science Subsystem observations

Turtle, E. P., Perry, J. E., Hayes, A. G. & McEwen, A. S., Apr 1 2011, In : Icarus. 212, 2, p. 957-959 3 p.

Research output: Contribution to journalArticle

48 Scopus citations

Spectral heterogeneity on Phobos and Deimos: HiRISE observations and comparisons to Mars Pathfinder results

Thomas, N., Stelter, R., Ivanov, A., Bridges, N. T., Herkenhoff, K. E. & McEwen, A. S., Oct 1 2011, In : Planetary and Space Science. 59, 13, p. 1281-1292 12 p.

Research output: Contribution to journalArticle

29 Scopus citations
2010

Aeolian bedforms, yardangs, and indurated surfaces in the Tharsis Montes as seen by the HiRISE Camera: Evidence for dust aggregates

Bridges, N. T., Banks, M. E., Beyer, R. A., Chuang, F. C., Noe Dobrea, E. Z., Herkenhoff, K. E., Keszthelyi, L. P., Fishbaugh, K. E., McEwen, A. S., Michaels, T. I., Thomson, B. J. & Wray, J. J., Jan 1 2010, In : Icarus. 205, 1, p. 165-182 18 p.

Research output: Contribution to journalArticle

41 Scopus citations

An assessment of evidence for pingos on Mars using HiRISE

Dundas, C. M. & McEwen, A. S., Jan 1 2010, In : Icarus. 205, 1, p. 244-258 15 p.

Research output: Contribution to journalArticle

41 Scopus citations

Color imaging of Mars by the High Resolution Imaging Science Experiment (HiRISE)

Delamere, W. A., Tornabene, L. L., McEwen, A. S., Becker, K., Bergstrom, J. W., Bridges, N. T., Eliason, E. M., Gallagher, D., Herkenhoff, K. E., Keszthelyi, L., Mattson, S., McArthur, G. K., Mellon, M. T., Milazzo, M., Russell, P. S. & Thomas, N., Jan 1 2010, In : Icarus. 205, 1, p. 38-52 15 p.

Research output: Contribution to journalArticle

54 Scopus citations

Constraints on ripple migration at Meridiani Planum from opportunity and HiRISE observations of fresh craters

Golombek, M., Robinson, K., McEwen, A., Bridges, N., Ivanov, B., Tornabene, L. & Sullivan, R., Dec 3 2010, In : Journal of Geophysical Research E: Planets. 115, 11, E00F08.

Research output: Contribution to journalArticle

62 Scopus citations

Crater population and resurfacing of the Martian north polar layered deposits

Banks, M. E., Byrne, S., Galla, K., McEwen, A. S., Bray, V. J., Dundas, C. M., Fishbaugh, K. E., Herkenhoff, K. E. & Murray, B. C., 2010, In : Journal of Geophysical Research E: Planets. 115, 8, E08006.

Research output: Contribution to journalArticle

31 Scopus citations

Emplacement of the youngest flood lava on Mars: A short, turbulent story

Jaeger, W. L., Keszthelyi, L. P., Skinner, J. A., Milazzo, M. P., McEwen, A. S., Titus, T. N., Rosiek, M. R., Galuszka, D. M., Howington-Kraus, E. & Kirk, R. L., Jan 1 2010, In : Icarus. 205, 1, p. 230-243 14 p.

Research output: Contribution to journalArticle

81 Scopus citations

Evaluating the meaning of "layer" in the martian north polar layered deposits and the impact on the climate connection

Fishbaugh, K. E., Byrne, S., Herkenhoff, K. E., Kirk, R. L., Fortezzo, C., Russell, P. S. & McEwen, A., Jan 1 2010, In : Icarus. 205, 1, p. 269-282 14 p.

Research output: Contribution to journalArticle

24 Scopus citations

HiRISE observations of gas sublimation-driven activity in Mars' southern polar regions: I. Erosion of the surface

Hansen, C. J., Thomas, N., Portyankina, G., McEwen, A., Becker, T., Byrne, S., Herkenhoff, K., Kieffer, H. & Mellon, M., Jan 1 2010, In : Icarus. 205, 1, p. 283-295 13 p.

Research output: Contribution to journalArticle

55 Scopus citations

Hydrovolcanic features on Mars: Preliminary observations from the first Mars year of HiRISE imaging

Keszthelyi, L. P., Jaeger, W. L., Dundas, C. M., Martínez-Alonso, S., McEwen, A. S. & Milazzo, M. P., Jan 1 2010, In : Icarus. 205, 1, p. 211-229 19 p.

Research output: Contribution to journalArticle

34 Scopus citations

In-flight calibration of the Cassini imaging science sub-system cameras

West, R., Knowles, B., Birath, E., Charnoz, S., Di Nino, D., Hedman, M., Helfenstein, P., McEwen, A., Perry, J., Porco, C., Salmon, J., Throop, H. & Wilson, D., Sep 1 2010, In : Planetary and Space Science. 58, 11, p. 1475-1488 14 p.

Research output: Contribution to journalArticle

51 Scopus citations

Investigating gully flow emplacement mechanisms using apex slopes

Kolb, K. J., McEwen, A. S. & Pelletier, J. D., Jul 1 2010, In : Icarus. 208, 1, p. 132-142 11 p.

Research output: Contribution to journalArticle

25 Scopus citations

Lunar reconnaissance orbiter camera (LROC) instrument overview

Robinson, M. S., Brylow, S. M., Tschimmel, M., Humm, D., Lawrence, S. J., Thomas, P. C., Denevi, B. W., Bowman-Cisneros, E., Zerr, J., Ravine, M. A., Caplinger, M. A., Ghaemi, F. T., Schaffner, J. A., Malin, M. C., Mahanti, P., Bartels, A., Anderson, J., Tran, T. N., Eliason, E. M., McEwen, A. S. & 3 others, Turtle, E., Jolliff, B. L. & Hiesinger, H., Jan 1 2010, In : Space Science Reviews. 150, 1-4, p. 81-124 44 p.

Research output: Contribution to journalArticle

470 Scopus citations

Mars Reconnaissance Orbiter observations of light-toned layered deposits and associated fluvial landforms on the plateaus adjacent to Valles Marineris

Weitz, C. M., Milliken, R. E., Grant, J. A., McEwen, A. S., Williams, R. M. E., Bishop, J. L. & Thomson, B. J., Jan 1 2010, In : Icarus. 205, 1, p. 73-102 30 p.

Research output: Contribution to journalArticle

59 Scopus citations

Modeling the formation of bright slope deposits associated with gullies in Hale Crater, Mars: Implications for recent liquid water

Kolb, K. J., Pelletier, J. D. & McEwen, A. S., Jan 1 2010, In : Icarus. 205, 1, p. 113-137 25 p.

Research output: Contribution to journalArticle

27 Scopus citations

New insight into lunar impact melt mobility from the LRO camera

Bray, V. J., Tornabene, L. L., Keszthelyi, L. P., McEwen, A. S., Hawke, B. R., Giguere, T. A., Kattenhorn, S. A., Garry, W. B., Rizk, B., Caudill, C. M., Gaddis, L. R. & Van Der Bogert, C. H., Nov 1 2010, In : Geophysical Research Letters. 37, 21, L21202.

Research output: Contribution to journalArticle

64 Scopus citations

Role of material properties in the cratering record of young platy-ridged lava on Mars

Dundas, C. M., Keszthelyi, L. P., Bray, V. J. & McEwen, A. S., Jun 1 2010, In : Geophysical Research Letters. 37, 12, L12203.

Research output: Contribution to journalArticle

42 Scopus citations

Seasonality of present-day Martian dune-gully activity

Diniega, S., Byrne, S., Bridges, N. T., Dundas, C. M. & McEwen, A. S., Nov 1 2010, In : Geology. 38, 11, p. 1047-1050 4 p.

Research output: Contribution to journalArticle

71 Scopus citations

The High Resolution Imaging Science Experiment (HiRISE) during MRO's Primary Science Phase (PSP)

McEwen, A. S., Banks, M. E., Baugh, N., Becker, K., Boyd, A., Bergstrom, J. W., Beyer, R. A., Bortolini, E., Bridges, N. T., Byrne, S., Castalia, B., Chuang, F. C., Crumpler, L. S., Daubar, I., Davatzes, A. K., Deardorff, D. G., DeJong, A., Alan Delamere, W., Dobrea, E. N., Dundas, C. M. & 50 others, Eliason, E. M., Espinoza, Y., Fennema, A., Fishbaugh, K. E., Forrester, T., Geissler, P. E., Grant, J. A., Griffes, J. L., Grotzinger, J. P., Gulick, V. C., Hansen, C. J., Herkenhoff, K. E., Heyd, R., Jaeger, W. L., Jones, D., Kanefsky, B., Keszthelyi, L., King, R., Kirk, R. L., Kolb, K. J., Lasco, J., Lefort, A., Leis, R., Lewis, K. W., Martinez-Alonso, S., Mattson, S., McArthur, G., Mellon, M. T., Metz, J. M., Milazzo, M. P., Milliken, R. E., Motazedian, T., Okubo, C. H., Ortiz, A., Philippoff, A. J., Plassmann, J., Polit, A., Russell, P. S., Schaller, C., Searls, M. L., Spriggs, T., Squyres, S. W., Tarr, S., Thomas, N., Thomson, B. J., Tornabene, L. L., Van Houten, C., Verba, C., Weitz, C. M. & Wray, J. J., Jan 1 2010, In : Icarus. 205, 1, p. 2-37 36 p.

Research output: Contribution to journalArticle

100 Scopus citations
2009

An analysis of sinuous ridges in the southern Argyre Planitia, Mars using HiRISE and CTX images and MOLA data

Banks, M. E., Lang, N. P., Kargel, J. S., McEwen, A. S., Baker, V. R., Grant, J. A., Pelletier, J. D. & Strom, R. G., Sep 2009, In : Journal of Geophysical Research E: Planets. 114, 9, E09003.

Research output: Contribution to journalArticle

35 Scopus citations

A synthesis of Martian aqueous mineralogy after 1 Mars year of observations from the Mars Reconnaissance Orbiter

Murchie, S. L., Mustard, J. F., Ehlmann, B. L., Milliken, R. E., Bishop, J. L., McKeown, N. K., Noe Dobrea, E. Z., Seelos, F. P., Buczkowski, D. L., Wiseman, S. M., Arvidson, R. E., Wray, J. J., Swayze, G., Clark, R. N., Des Marais, D. J., McEwen, A. S. & Bibring, J. P., Sep 2009, In : Journal of Geophysical Research E: Planets. 114, 9, E00D06.

Research output: Contribution to journalArticle

368 Scopus citations

Cassini imaging of Titan's high-latitude lakes, clouds, and south-polar surface changes

Turtle, E. P., Perry, J. E., McEwen, A. S., DelGenio, A. D., Barbara, J., West, R. A., Dawson, D. D. & Porco, C. C., Jan 28 2009, In : Geophysical Research Letters. 36, 2, L02204.

Research output: Contribution to journalArticle

133 Scopus citations

Discovery of columnar jointing on Mars

Milazzo, M. P., Keszthelyi, L. P., Jaeger, W. L., Rosiek, M., Mattson, S., Verba, C., Beyer, R. A., Geissler, P. E. & McEwen, A. S., Sep 8 2009, In : Geology. 37, 2, p. 171-174 4 p.

Research output: Contribution to journalArticle

36 Scopus citations

Distribution of mid-latitude ground ice on mars from new impact craters

Byrne, S., Dundas, C. M., Kennedy, M. R., Mellon, M. T., McEwen, A. S., Cull, S. C., Daubar, I. J., Shean, D. E., Seelos, K. D., Murchie, S. L., Cantor, B. A., Arvidson, R. E., Edgett, K. S., Reufer, A., Thomas, N., Harrison, T. N., Posiolova, L. V. & Seelos, F. P., 2009, In : Science. 325, 5948, p. 1674-1676 3 p.

Research output: Contribution to journalArticle

208 Scopus citations

Mars Exploration Program 2007 Phoenix landing site selection and characteristics

Arvidson, R., Adams, D., Bonfiglio, G., Christensen, P., Cull, S., Golombek, M., Guinn, J., Guinness, E., Heet, T., Kirk, R., Knudson, A., Malin, M., Mellon, M., McEwen, A., Mushkin, A., Parker, T., Seelos IV, F., Seelos, K., Smith, P., Spencer, D. & 2 others, Stein, T. & Tamppari, L., Mar 20 2009, In : Journal of Geophysical Research E: Planets. 114, 3, E00A03.

Research output: Contribution to journalArticle

45 Scopus citations

Observations of periglacial landforms in utopia planitia with the high resolution imaging science experiment (HiRISE)

Lefort, A., Russell, P. S., Thomas, N., McEwen, A. S., Dundas, C. M. & Kirk Physikalisches, R. L., Apr 20 2009, In : Journal of Geophysical Research E: Planets. 114, 4, E04005.

Research output: Contribution to journalArticle

74 Scopus citations

Phyllosilicates and sulfates at Endeavour Crater, Meridiani Planum, Mars

Wray, J. J., Noe Dobrea, E. Z., Arvidson, R. E., Wiseman, S. M., Squyres, S. W., McEwen, A. S., Mustard, J. F. & Murchie, S. L., Nov 1 2009, In : Geophysical Research Letters. 36, 21, L21201.

Research output: Contribution to journalArticle

73 Scopus citations

Size-frequency distributions of rocks on the northern plains of Mars with special reference to Phoenix landing surfaces

Golombek, M. P., Huertas, A., Marlow, J., McGrane, B., Klein, C., Martinez, M., Arvidson, R. E., Heet, T., Barry, L., Seelos, K., Adams, D., Li, W., Matijevic, J. R., Parker, T., Sizemore, H. G., Mellon, M., McEwen, A. S., Tamppari, L. K. & Cheng, Y., Mar 20 2009, In : Journal of Geophysical Research E: Planets. 114, 3, E00A09.

Research output: Contribution to journalArticle

35 Scopus citations

Sublacustrine depositional fans in southwest Melas Chasma

Metz, J. M., Grotzinger, J. P., Mohrig, D., Milliken, R., Prather, B., Pirmez, C., McEwen, A. S. & Weitz, C. M., Oct 1 2009, In : Journal of Geophysical Research E: Planets. 114, 10, E10002.

Research output: Contribution to journalArticle

56 Scopus citations

Ultrahigh resolution topographic mapping of Mars with MRO HiRISE stereo images: Meter-scale slopes of candidate Phoenix landing sites

Kirk, R. L., Howington-Kraus, E., Rosiek, M. R., Anderson, J. A., Archinal, B. A., Becker, K. J., Cook, D. A., Galuszka, D. M., Geissler, P. E., Hare, T. M., Holmberg, I. M., Keszthelyi, L. P., Redding, B. L., Delamere, W. A., Gallagher, D., Chapel, J. D., Eliason, E. M., King, R. & McEwen, A. S., Mar 20 2009, In : Journal of Geophysical Research E: Planets. 114, 3, E00A24.

Research output: Contribution to journalArticle

204 Scopus citations
2008

High resolution imaging science experiment (HiRISE) images of volcanic terrains from the first 6 months of the Mars reconnaissance orbiter primary science phase

Keszthelyi, L., Jaeger, W., McEwen, A., Tornabene, L., Beyer, R. A., Dundas, C. & Milazzo, M., Apr 20 2008, In : Journal of Geophysical Research E: Planets. 113, 4, E04005.

Research output: Contribution to journalArticle

64 Scopus citations

High Resolution Imaging Science Experiment (HiRISE) observations of glacial and periglacial morphologies in the circum-Argyre Planitia highlands, Mars

Banks, M. E., McEwen, A. S., Kargel, J. S., Baker, V. R., Strom, R. G., Mellon, M. T., Gulick, V. C., Keszthelyi, L., Herkenhoff, K. E., Pelletier, J. D. & Jaeger, W. L., Dec 20 2008, In : Journal of Geophysical Research E: Planets. 113, 12, E12015.

Research output: Contribution to journalArticle

30 Scopus citations

HiRISE imaging of impact megabreccia and sub-meter aqueous strata in Holden Crater, Mars

Grant, J. A., Irwin, R. P., Grotzinger, J. P., Milliken, R. E., Tornabene, L. L., McEwen, A. S., Weitz, C. M., Squyres, S. W., Glotch, T. D. & Thomson, B. J., Mar 1 2008, In : Geology. 36, 3, p. 195-198 4 p.

Research output: Contribution to journalArticle

86 Scopus citations

HiRISE observations of fractured mounds: Possible Martian pingos

Dundas, C. M., Mellon, M. T., McEwen, A. S., Lefort, A., Keszthelyi, L. P. & Thomas, N., Feb 28 2008, In : Geophysical Research Letters. 35, 4, L04201.

Research output: Contribution to journalArticle

39 Scopus citations

Light-toned strata and inverted channels adjacent to juventae and ganges chasmata, Mars

Weitz, C. M., Milliken, R. E., Grant, J. A., McEwen, A. S., Williams, R. M. E. & Bishop, J. L., Oct 16 2008, In : Geophysical Research Letters. 35, 19, L19202.

Research output: Contribution to journalArticle

34 Scopus citations

Quasi-periodic bedding in the sedimentary rock record of mars

Lewis, K. W., Aharonson, O., Grotzinger, J. P., Kirk, R. L., McEwen, A. S. & Suer, T. A., Dec 5 2008, In : Science. 322, 5907, p. 1532-1535 4 p.

Research output: Contribution to journalArticle

89 Scopus citations