Abstract
Space images play an important role in the Earth study as they bring the main information received from the Space Flyer Units (SFU) to help researchers. Space images’ deciphering gives the opportunity to study the territory and to plot different maps. On the basis of the space image obtained from Landsat 5TM (30 m resolution, 01.09.2012 year), we managed to get a picture of the modern relief of the northern part of Inder lake. When comparing the space image with topographic maps of 1985, we succeeded to identify the dynamics of landforms change on the studied area, what has been shown on the drawn map of the relief of the Inder salt dome uplift. 14 classes, corresponding to a particular type of terrain or to a landscape complex, have been distinguished on the studied area. Inder salt dome uplift is a paradynamic conjugation, consisting of highly karsted Inder Mountains corresponding to large diapir uplift, and of the Inder Lake having a large ellipsoidal shape. Geomorphologically, the investigated territory is located on the left bank of Zhaiyk River, and presents a salt dome uplift in the form of a plateau-like hill raised above the surrounding surface from 12 to 40 m. The maximum height reaches 42.5 m (g. Suatbaytau). The crest of the Inder salt dome is composed of Low Permian sediments (rock salt with anhydrite, potassiummagnesium salts), and has an area of about 210 km2. Inder lake’s basin is represented by a tectonic depression, which is the local basis of erosion and is a drainage place of the Inder uplift karstic water. The lake area is 150 km2. Depending on the climatic conditions, the water level can vary.
Highlights
Scientific interest to the use of remote sensing methods in studying of the Earth and the planet’s natural resources has reached a higher level through the multizone photography modes [1] [2], which allowed getting information that could be used both for the improvement of universal maps’ contents and for specific maps’ drawing [3], [4]
The Inder salt-dome upland is a paradynamic junction, consisting of a highly karsted Inder mountains, which correspond to the large diapir uplift and large ellipsoidal, in shape, the Inder lake, with an area of 115 km2 and with the water’s edge of 23 m below sea level
Deciphering of the Inder lake area space images shows that the use of GIS technologies gives a great opportunity to solve more complex problems in geomorphology according to the morphogenetic research method, which is acknowledged by the following results: 1) The Inder salt-dome upland area was and still remains the largest region of the karstic rocks and salt-dome tectonics’ development in Kazakhstan; 2) On the basis of space images’ processing, the morphographic and morphometric parameters of the development of various karst relief types of the Inder salt-dome upland have been identified
Summary
Scientific interest to the use of remote sensing methods in studying of the Earth and the planet’s natural resources has reached a higher level through the multizone photography modes [1] [2], which allowed getting information that could be used both for the improvement of universal maps’ contents and for specific maps’ drawing [3], [4]. Development of new methods of automatic image processing, by means of GIS-programs, contributed to the success of multizone photography [1]. Relief deciphering is focused on the achievement of the “geographic likelyhood” on maps. It has the maximum indication value as it could be very read on the images. There is a certain connection between the morphologic and morphometric peculiarities of modern relief, endogenous and exogenous processes, geologic structures, surface and subsurface waters, flora and subsoil [7]
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