Summit accordance explained

300px|thumb|The highest of hills in this picture show fairly similar heights making up a summit accordance. Aerial photograph from the Altai region of Russia.A summit accordance (sometimes also known by the German loan word gipfelflur) exists when hills and mountaintops, and eventually also plateaux, have such a disposition that they form a geometric plane that may be either horizontal or tilted. Summit accordances can be the vestiges of former continuous erosion surfaces that were uplifted and eroded.^[1] Other proposed explanations include:^[2]

• the possibility that erosion becomes more effective at height, tearing down mountains that stand out
• that isostasy regulates the height of individual mountain masses meaning that small mountains might be uplifted and large mountains dragged down
• that landscape dissection by uniformly spaced streams eventually reach a state in which summits attain similar heights
• that summit accordance is derivative of structural planes exposed by erosion

See also

• Dissected plateau
• Glacial buzzsaw
• Syrt

Notes and References

1. Web site: Toppkonstans . Lidmar-Bergström . Karna . Karna Lidmar-Bergström . . Cydonia Development . June 22, 2015 . sv.
2. Book: Chorley . Richard J.. Beckinsale . Robert P. . The History of the Study of Landforms . Three . 1991 . 2003. Taylor & Francis e-Library . Chapter Seven: American Polycyclic Geomorphology. 235–236.