AN ANALYSIS OF GEOMORPHOLOGY CHARACTERISTICS<br />
OF THE ALTAI MOUNTAIN BASED ON DEM

doi:10.6046/gtzyyg.2007.03.14

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Abstract

Based on American SRTM-DEM(90m) data and geological information and adopting color-dye, density-class

and GIS spatial statistic analysis technology，the authors studied geomorphological characteristics of the Altay

Mountain by means of topography-elevation analysis, surficial-slope analysis and terrain-section analysis.

According to the results of the study, the Altay Mountain has an average altitude of 1 790 m and an average

surficial slope of 21°, and the current geomorphological characteristics of high altitude and steep slope are

mainly attributed to strong tectonic activities; the mountain range is strictly affected or controlled by the NW-

trending fault activity, and hence the geomorphological cells mostly extend in the NW direction; the mountain

assumes obvious ladder-like modern geomorphology, and has developed 5-level denudation-planation surfaces with

different altitudes, with the northeast denudation-planation surface higher than the southwest surface, and the

east and central denudation-planation surface higher than the west surface.

Keywords Engineering Seismogeological environment Remote sensing

P 931

Issue Date: 21 July 2009

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Cite this article:

HONG Shun-Ying, SHEN Xu-Hui, JING Feng, DU Ze-Cheng. AN ANALYSIS OF GEOMORPHOLOGY CHARACTERISTICS
OF THE ALTAI MOUNTAIN BASED ON DEM[J]. REMOTE SENSING FOR LAND & RESOURCES,2007, 19(3): 62-66.

URL:

https://www.gtzyyg.com/EN/10.6046/gtzyyg.2007.03.14 OR https://www.gtzyyg.com/EN/Y2007/V19/I3/62

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