Martian Glacial Lineations: Sedimentology, Remote Sensing and Geographical Information Systems Unravel the Past

Details Martian Glacial Lineations: Sedimentology, Remote Sensing and Geographical Information Systems Unravel the Past Martian Glacial Lineations: Sedimentology, Remote Sensing and Geographical Information Systems Unravel the Past

Jan 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998lpico.953...10f&link_type=abstract

The First International Conference on Mars Polar Science and Exploration, Proceedings of the Conference held at Camp Allen, TX.

Mathematics

Logic

Glaciers, Ice, Geomorphology, Mars Surface, Topography, Geographic Information Systems, Mars (Planet), Remote Sensing

Scientific paper

Terrestrial glacial lineations, in the form of flutes (10-10 2 M in length), drumlins and megaflutes (102 to 10 3 M in length), and megascale glacial lineations (103 - 104 m in length), have long been the subject of study using techniques of sedimentary coring and till fabric analysis. Although this aspect of glaciological research is detailed, type sites for lineations are few and widely distributed. Conclusions drawn from such type sites can appear to conflict, Recently there has been a move to comprehensively map glacial lineations using both optical and microwave (the latter highly sensitive to topography) remote sensing. Such mapping can reveal former ice sheet behavior by the separation of complex lineation patterns into flow sets (now associated with former ice streams) using spatial analysis and Geographical Information Systems (GIS). Using additional subsurface analysis software, stratigraphic cores may then be correlated to their parent flow sets. These flow sets are then utilized as a correlation tool to link widely spaced stratigraphic sections. The result is a synoptic view of former ice sheet behavior that can finally solve conflicts in the stratigraphic evidence.

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