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The thickness of radar-bright deposits in Mercury's northern hemisphere from individual Mercury Laser Altimeter tracks

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)40-45
Number of pages6
JournalIcarus
Volume323
Early online date1 Feb 2019
DOIs
DateAccepted/In press - 22 Jan 2019
DateE-pub ahead of print - 1 Feb 2019
DatePublished (current) - May 2019

Abstract

The discovery of Mercury's radar-bright deposits has expanded our understanding of volatiles in the solar system. Key to deciphering the history and origin of the radar-bright deposits is an estimate of the volume of radar-bright material that in turn requires a measure of the average thickness of the deposits. In this study we investigate changes in topography across radar-bright deposits hosted in flat-floored, complex craters using individual edited Mercury Laser Altimeter (MLA) tracks. We compare the difference in heights of radar-bright regions and non-radar-bright regions of the crater floor and the difference of similarly sized and located regions in non-radar-bright craters and show that the two populations cannot be distinguished. The similarity of topography in these two sets of craters allows an upper limit of 15 m to be placed on the thickness of the radar-bright deposits.

    Research areas

  • Mercury, Polar deposits, Laser altimeter

Documents

Documents

  • Full-text PDF (accepted author manuscript)

    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available online via Elsevier at https://www.sciencedirect.com/science/article/pii/S0019103518305918 . Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 18 MB, PDF document

    Embargo ends: 1/02/20

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    Licence: CC BY-NC-ND

DOI

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