Topography of a Flood Carved Channel
Topography of a Flood Carved Channel
ESP_028473_1840  Science Theme: Fluvial Processes
This image is part of a stereo pair that allows one to look at the walls of a flood carved channel in 3D. By examining the walls in such detail, we hope to understand the process by which the channel was carved.

For example, in this location, there are a series of benches or terraces high up on the channel wall. By looking at the topography it should be possible to tell if (1) these are produced by sediments being left at these elevations; (2) the erosive fluid dropped in stages and thus did more erosion at certain levels; or (3) the wall of the channel was slumping inward as a series of landslides.

Written by: Lazslo Kestay (narration: Tre Gibbs)  (26 September 2012)

This is a stereo pair with ESP_028196_1840.
Acquisition date
23 August 2012

Local Mars time

Latitude (centered)

Longitude (East)

Spacecraft altitude
273.0 km (169.6 miles)

Original image scale range
27.8 cm/pixel (with 1 x 1 binning) so objects ~84 cm across are resolved

Map projected scale
25 cm/pixel and North is up

Map projection

Emission angle

Phase angle

Solar incidence angle
54°, with the Sun about 36° above the horizon

Solar longitude
159.5°, Northern Summer

For non-map projected images
North azimuth:  98°
Sub-solar azimuth:  13.1°
Black and white
map projected  non-map

IRB color
map projected  non-map

Merged IRB
map projected

Merged RGB
map projected

RGB color
non-map projected

Black and white
map-projected   (859MB)

IRB color
map-projected   (454MB)

Black and white
map-projected  (405MB)
non-map           (468MB)

IRB color
map projected  (172MB)
non-map           (385MB)

Merged IRB
map projected  (224MB)

Merged RGB
map-projected  (214MB)

RGB color
non map           (379MB)
Map-projected, reduced-resolution
Full resolution JP2 download
Anaglyph details page

B&W label
Color label
Merged IRB label
Merged RGB label
EDR products

IRB: infrared-red-blue
RGB: red-green-blue
About color products (PDF)

Black & white is 5 km across; enhanced color about 1 km
For scale, use JPEG/JP2 black & white map-projected images

All of the images produced by HiRISE and accessible on this site are within the public domain: there are no restrictions on their usage by anyone in the public, including news or science organizations. We do ask for a credit line where possible:

NASA’s Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, Calif., manages the Mars Reconnaissance Orbiter for NASA’s Science Mission Directorate, Washington. The HiRISE camera was built by Ball Aerospace and Technology Corporation and is operated by the University of Arizona.