Venus Crater Database
Catagories Included in the Database
Elevation
The mean elevation values given are derived from the
Magellan radar altimetry(
Pettengill and others, 1991;
Ford and Pettengill, 1992) and
represent the pre-impact surface, assuming no
tectonic deformation. The mean elevation included in the data base
was determined from root 3 and 2 crater radii--outside the range of the
average hummocky and radial crater rim deposits (but not the bright
crater outflow deposits) (see Kirk
and others, 1995). Mean elevation values based on Magellan altimetry
data have a vertical accuracy from 80 m to 200 m
(Ford and Pettengill, 1992)