Polygonal ridges (boxwork or reticulate ridges)

Description Global map of polygonal ridge networks on Mars
Links http://www.sciencedirect.com/science/article/pii/S0019103516305000#bib0041
Citation Kerber L, Dickson JL, Head JW, Grosfils EB (2016) Polygonal ridge networks on Mars: Diversity of morphologies and the special case of the Eastern Medusae Fossae Formation. Icarus http://dx.doi.org/10.1016/j.icarus.2016.08.020


Reference figure Fig. 1

Datapoints published? No

Methods Using the Mars version of Google Earth (earth.google.com/mars/), we surveyed Mars Reconnaissance Orbiter (MRO) Context Camera (CTX) and Mars Express High Resolution Stereo Camera (HRSC) images near previously documented ridge occurrences. We then reviewed the 887 MRO High Resolution Imaging Science Experiment (HiRISE) images in the HiRISE catalog that were tagged with the keyword “ridges” by the HiRISE team (www.uahirise.org; as of 5/30/16). Where polygonal ridge networks were present, we mapped their regional extents using the broader spatial coverage of CTX data within the geographic information system software ArcGIS. The entire area of the Medusae Fossae Formation and the Hellas Basin floor deposits were separately surveyed at CTX scale to find additional ridge networks where HiRISE data were sparse.

Significance The diversity of the ridge networks implies a variety of formational mechanisms.

Shapefile YES. Original shapefile

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