Emissivity spectrum of a large "dark streak" from themis infrared imagery

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Description

'Dark streaks', also known as 'slope streaks', are unusual surface features found on Mars that are known to appear and fade away on timescales of years. Various explanations have been proposed for their origin and composition, including dry avalanches and wet debris or precipitates from brines. Previous investigations have been based on analysis of panchromatic imagery and altimetry from Viking and Mars Global Surveyor missions. We have obtained an infrared emissivity spectrum of a large dark streak on the north western edge of Olympus Mons, using imagery from the THEMIS instrument on the Mars Odyssey 2001 spacecraft.

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3 p.

Creation Information

Brumby, Steven P.; Vaniman, D. T. (David T.) & Bish, D. L. (David L.) January 1, 2003.

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Description

'Dark streaks', also known as 'slope streaks', are unusual surface features found on Mars that are known to appear and fade away on timescales of years. Various explanations have been proposed for their origin and composition, including dry avalanches and wet debris or precipitates from brines. Previous investigations have been based on analysis of panchromatic imagery and altimetry from Viking and Mars Global Surveyor missions. We have obtained an infrared emissivity spectrum of a large dark streak on the north western edge of Olympus Mons, using imagery from the THEMIS instrument on the Mars Odyssey 2001 spacecraft.

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3 p.

Source

  • Submitted to: Lunar and Planetary Institute, 6th Mars Conference, Pasadena, CA, July 2003

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  • Report No.: LA-UR-03-3144
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976653
  • Archival Resource Key: ark:/67531/metadc930366

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  • January 1, 2003

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 5:49 p.m.

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Brumby, Steven P.; Vaniman, D. T. (David T.) & Bish, D. L. (David L.). Emissivity spectrum of a large "dark streak" from themis infrared imagery, article, January 1, 2003; United States. (digital.library.unt.edu/ark:/67531/metadc930366/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.