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Morphology and composition of the surface of Mars: Mars Odyssey THEMIS results.

Overview of attention for article published in Science, May 2016
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  • Average Attention Score compared to outputs of the same age and source

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Morphology and composition of the surface of Mars: Mars Odyssey THEMIS results.
Published in
Science, May 2016
DOI 10.1126/science.1080885
Pubmed ID

Philip R. Christensen, Joshua L. Bandfield, James F. Bell III, Noel Gorelick, Victoria E. Hamilton, Anton Ivanov, Bruce M. Jakosky, Hugh H. Kieffer, Melissa D. Lane, Michael C. Malin, Timothy McConnochie, Alfred S. McEwen, Harry Y. McSween, Greg L. Mehall, Jeffery E. Moersch, Kenneth H. Nealson, James W. Rice, Mark I. Richardson, Steven W. Ruff, Michael D. Smith, Timothy N. Titus, Michael B. Wyatt, Christensen, Philip R, Bandfield, Joshua L, Bell, James F, Gorelick, Noel, Hamilton, Victoria E, Ivanov, Anton, Jakosky, Bruce M, Kieffer, Hugh H, Lane, Melissa D, Malin, Michael C, McConnochie, Timothy, McEwen, Alfred S, McSween, Harry Y, Mehall, Greg L, Moersch, Jeffery E, Nealson, Kenneth H, Rice, James W, Richardson, Mark I, Ruff, Steven W, Smith, Michael D, Titus, Timothy N, Wyatt, Michael B, P. R. Christensen


The Thermal Emission Imaging System (THEMIS) on Mars Odyssey has produced infrared to visible wavelength images of the martian surface that show lithologically distinct layers with variable thickness, implying temporal changes in the processes or environments during or after their formation. Kilometer-scale exposures of bedrock are observed; elsewhere airfall dust completely mantles the surface over thousands of square kilometers. Mars has compositional variations at 100-meter scales, for example, an exposure of olivine-rich basalt in the walls of Ganges Chasma. Thermally distinct ejecta facies occur around some craters with variations associated with crater age. Polar observations have identified temporal patches of water frost in the north polar cap. No thermal signatures associated with endogenic heat sources have been identified.

Mendeley readers

The data shown below were compiled from readership statistics for 109 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 6 6%
Germany 2 2%
France 2 2%
Australia 1 <1%
United Kingdom 1 <1%
Brazil 1 <1%
Belgium 1 <1%
Canada 1 <1%
Unknown 94 86%

Demographic breakdown

Readers by professional status Count As %
Researcher 35 32%
Student > Ph. D. Student 30 28%
Professor 12 11%
Professor > Associate Professor 9 8%
Student > Bachelor 8 7%
Other 15 14%
Readers by discipline Count As %
Earth and Planetary Sciences 53 49%
Physics and Astronomy 22 20%
Unspecified 9 8%
Agricultural and Biological Sciences 8 7%
Environmental Science 4 4%
Other 13 12%

Attention Score in Context

This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 20 August 2016.
All research outputs
of 8,250,529 outputs
Outputs from Science
of 41,448 outputs
Outputs of similar age
of 243,933 outputs
Outputs of similar age from Science
of 805 outputs
Altmetric has tracked 8,250,529 research outputs across all sources so far. This one has received more attention than most of these and is in the 60th percentile.
So far Altmetric has tracked 41,448 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 33.1. This one is in the 23rd percentile – i.e., 23% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 243,933 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 68% of its contemporaries.
We're also able to compare this research output to 805 others from the same source and published within six weeks on either side of this one. This one is in the 32nd percentile – i.e., 32% of its contemporaries scored the same or lower than it.