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Global warming and climate forcing by recent albedo changes on Mars

Overview of attention for article published in Nature, April 2007
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About this Attention Score

  • In the top 5% of all research outputs scored by Altmetric
  • High Attention Score compared to outputs of the same age (98th percentile)
  • Good Attention Score compared to outputs of the same age and source (78th percentile)

Mentioned by

news
1 news outlet
blogs
7 blogs
twitter
8 tweeters
wikipedia
5 Wikipedia pages
video
1 video uploader

Citations

dimensions_citation
52 Dimensions

Readers on

mendeley
83 Mendeley
citeulike
3 CiteULike
Title
Global warming and climate forcing by recent albedo changes on Mars
Published in
Nature, April 2007
DOI 10.1038/nature05718
Pubmed ID
Authors

Lori K. Fenton, Paul E. Geissler, Robert M. Haberle

Abstract

For hundreds of years, scientists have tracked the changing appearance of Mars, first by hand drawings and later by photographs. Because of this historical record, many classical albedo patterns have long been known to shift in appearance over time. Decadal variations of the martian surface albedo are generally attributed to removal and deposition of small amounts of relatively bright dust on the surface. Large swaths of the surface (up to 56 million km2) have been observed to darken or brighten by 10 per cent or more. It is unknown, however, how these albedo changes affect wind circulation, dust transport and the feedback between these processes and the martian climate. Here we present predictions from a Mars general circulation model, indicating that the observed interannual albedo alterations strongly influence the martian environment. Results indicate enhanced wind stress in recently darkened areas and decreased wind stress in brightened areas, producing a positive feedback system in which the albedo changes strengthen the winds that generate the changes. The simulations also predict a net annual global warming of surface air temperatures by approximately 0.65 K, enhancing dust lifting by increasing the likelihood of dust devil generation. The increase in global dust lifting by both wind stress and dust devils may affect the mechanisms that trigger large dust storm initiation, a poorly understood phenomenon, unique to Mars. In addition, predicted increases in summertime air temperatures at high southern latitudes would contribute to the rapid and steady scarp retreat that has been observed in the south polar residual ice for the past four Mars years. Our results suggest that documented albedo changes affect recent climate change and large-scale weather patterns on Mars, and thus albedo variations are a necessary component of future atmospheric and climate studies.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 83 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Germany 2 2%
China 2 2%
United States 2 2%
Italy 1 1%
Japan 1 1%
Mexico 1 1%
Unknown 74 89%

Demographic breakdown

Readers by professional status Count As %
Researcher 25 30%
Student > Ph. D. Student 17 20%
Student > Bachelor 8 10%
Professor 7 8%
Student > Doctoral Student 7 8%
Other 19 23%
Readers by discipline Count As %
Earth and Planetary Sciences 36 43%
Physics and Astronomy 23 28%
Unspecified 8 10%
Environmental Science 5 6%
Agricultural and Biological Sciences 5 6%
Other 6 7%

Attention Score in Context

This research output has an Altmetric Attention Score of 66. 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 07 February 2019.
All research outputs
#245,257
of 13,117,206 outputs
Outputs from Nature
#15,269
of 68,699 outputs
Outputs of similar age
#238,883
of 12,505,951 outputs
Outputs of similar age from Nature
#14,858
of 68,042 outputs
Altmetric has tracked 13,117,206 research outputs across all sources so far. Compared to these this one has done particularly well and is in the 98th percentile: it's in the top 5% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 68,699 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 74.2. This one has done well, scoring higher than 77% of its peers.
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 12,505,951 tracked outputs that were published within six weeks on either side of this one in any source. This one has done particularly well, scoring higher than 98% of its contemporaries.
We're also able to compare this research output to 68,042 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 78% of its contemporaries.