the erosion of a land surface until it is basically flat
planation in American English
(pleɪˈneɪʃən)
noun
the reduction of a land area by erosion to a nearly flat surface
Word origin
plane1 + -ation
planation in American English
(pleiˈneiʃən, plə-)
noun
Geology
the process whereby an irregular land surface is made flat or level by erosion
Word origin
[1875–80; plane1 + -ation]This word is first recorded in the period 1875–80. Other words that entered Englishat around the same time include: fan-tan, massage, neoclassic, weekend, weekender-ation is used to form nouns from stems ending in -ate (separation) and, on this model, to form nouns from stems of other origin (starvation). Other words that use the affix -ation include: generalization, neutralization, plantation, polymerization, transportation
Examples of 'planation' in a sentence
planation
Results of the simulations were compared with real topography through hypsographic curves and the distribution of remnants of planation surfaces.
Staškovanová Veronika, Minár Jozef 2016, 'Modelling the geomorphic history of the Tribeč Mts. and the Pohronský Inovec Mts.(Western Carpathians) with the CHILD model', Open Geoscienceshttp://www.degruyter.com/view/j/geo.2016.8.issue-1/geo-2016-0038/geo-2016-0038.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Such planation surfaces are key in the geological knowledge of recent climate change and landscape evolution.
U. Beisl, M. Suárez, A. Hausold, E. Garcia-Melendez, A. Riaza, H. van der Werff 2006, 'Mapping of semi-arid iron bearing red sands on emerged areas around lake marshes (Tablasde Daimiel, Spain) using hyperspectral DAIS 7915 spectrometer data', Annals of Geophysicshttp://www.annalsofgeophysics.eu/index.php/annals/article/view/3171. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Sediments permanently exposed to the atmosphere dehydrate and oxide, developing different mineralogical associations arranged on planation surfaces.
U. Beisl, M. Suárez, A. Hausold, E. Garcia-Melendez, A. Riaza, H. van der Werff 2006, 'Mapping of semi-arid iron bearing red sands on emerged areas around lake marshes (Tablasde Daimiel, Spain) using hyperspectral DAIS 7915 spectrometer data', Annals of Geophysicshttp://www.annalsofgeophysics.eu/index.php/annals/article/view/3171. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The high surfaces preserve some relics of the old planation and paleokarstic forms and residual soils.
Jean Nicod 2011, 'Les Gorges de Trévans dans le front subalpin – Un site exceptionnel des Alpes de Haute-Provence',Physio-Géohttp://physio-geo.revues.org/2100. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)