Permafrost features on Earth and Mars: Similarities, differences

• Main Author: Joens, H. P.
• Format: Other/Unknown Material
• Language: unknown
• Published: 1985
• Subjects: 91; Olympus; Ice; permafrost; wedge*
• Online Access: http://ntrs.nasa.gov/search.jsp?R=19850025557

Typical permafrost features on Earth are polygonal structures, pingos and soli-/gelifluxion features. In areas around the poles and in mountain ranges the precipitation accumulates to inland ice or ice streams. On Mars the same features were identified: polygonal features cover the larger part of th...