Spatial Analysis of Data on the Basis of the Digital Model of Relief and Locality (Example of Shemakha, Akhsu and Ismayilli Districts)
Journal Title: Open Access Journal of Environmental and Soil Sciences - Year 2018, Vol 1, Issue 1
Abstract
The article examines the issues of studying the degree of susceptibility of sloping lands in Azerbaijan in the example of specific administrative territorial units, flat areas with a slope of up to 6% (about 3.50) are concentrated in Akhsu district 71%, and in Shemakha almost 49%. The steepest slopes are observed in the Ismaili region, where almost 26% of the territory has a slope of 10-18%, 30% of its area slope is 18%. Spatial analysis includes operations performed on geographic data using available methods and techniques in GIS software, with a view to describing the relationships between elements of the geographical environment. The analysis can be carried out on the data, both in the vector and raster systems, and touch the geometry and attributes of the vector data [1-8]. The main operation that can be performed based on the GIS database is information retrieval. This database has a relational nature and therefore, the object designation provokes the selection of the corresponding records from the corresponding attribute table, and vice versa. The first thematic layer in the database was the Digital Elevation Model in raster format. On its basis, as a result of the transformations and calculations, information on the height of the nos. and the slope of the terrain on the territory of Azerbaijan selected for analysis, which includes three regions: Shemakha, Akhsu and Ismayilli. The major part of the study area is in the following ranges of heights: 1) from 0 to 300 mas-23.16%, from 300 to 600 m-19.84% and 3) 600-900 m-23, 75% of the total area. Above 900 m and up to 3400 m above sea level, about 30% of its area is located (Table 1). Of the administrative units belonging to the study area, the most highly allocated land Ismaili region. In this area 90: it is at an altitude of more than 300 meters above sea level, and sometimes the altitude is even higher than 3400 m. In Akhsu region about 73% of the earth is at an altitude up to the sea level. Shemakha district is an intermediate region, its largest area is at an altitude of 900 m above sea level-about 75%. In this area there is also a territory located below sea level-31244.66 hectares [8-18].
Authors and Affiliations
ZH Aliyev
Keywords
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- EP ID EP569053
- DOI 10.32474/OAJESS.2018.01.000102
- Views 104
- Downloads 0
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