Prospects and Problems of Development of Caspian Region

Сабирова, Рысты; Kirdasinova, С. А.; Аdiyetova, Е. М.; Utepkaliyeva, Kasulu Musaevna; Tsatkhlanova, Tamara

doi:10.32014/2019.2518-1467.75

Cited by 1 publication

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“…The issues of natural environment monitoring (air, water and soil) related to oil production in the Atyrau region were considered (Kenzhegaliev et al 2003;zhanburshin 2005), and the studies of Izteleuova (2002Izteleuova ( ), holstein et al (2018 and Issanova et al (2020) concerning oil pollution issues of various components of the natural environment, such as soil, vegetative cover and formation of technogenesis, were also analysed. Literature dealing with the application of satellite images in the study of oil-bearing areas was used (Jafari 2010;Kenzhegaliyev, Bekmukhanov 2010;Kenchinbaev 2011;Gossen, Velichkina 2012;Kaczyńska et al 2015;Khajehpour et al 2017), and the principle of mapping oilfield sites was considered as well (Smejkalová et al 2017;Sabirova et al 2019;Myachina, Chibilev 2020). Also, cartographic material (The National Atlas of the Republic of Kazakhstan 2010) and topographic maps of M:200,000 scales were used to clarify the boundaries of some geographical objects, as well as landscape complexes in the area of the field.…”

Section: Methodsmentioning

confidence: 99%

Impact of the Tengiz Oil Field on the State of Land Cover

Koshim

Sergeyeva

Yegizbayeva

2022

Quaestiones Geographicae

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The study of the transformation of natural complexes in areas with a developed infrastructure for oil subsurface use is a prerequisite condition for solving the environmental problems of oil-producing regions. Located in the territory of the Atyrau Region in Western Kazakhstan, the Tengiz oil field is one of the largest oil fields in the world. The field has been under intensive development for more than 40 years and is characterised by a large volume of anthropogenic load, which contributes to a significant transformation of the landscape complex. The purpose of this study is to investigate the dynamics of landscape changes in the territory of the Tengiz field and to assess its ecological condition. Based on the materials from many years of research, the features of the Tengiz field and the main technogenic sources affecting the landscape complex were identified. Several quantitative indicators characterising the anthropogenic load were calculated based on satellite images. On the basis of Landsat – 5 TM, 7 ETM+ and 8 OLI and Sentinel-2A (S2A) data, the vegetation index of land cover was calculated using normalised difference vegetation index (NDVI), demonstrating the dynamics of landscape changes in the period from 1990 to 2020. The obtained results show that the areas of some landscape components continue to deteriorate. For example, the area of open soil in 2020 decreased due to the withdrawal of these areas for industrial facilities, which increased by 2.2 times by 2020 due to intensive field development. This study demonstrates the importance of monitoring and studying desert landscape complexes under active anthropogenic impact to ensure the sustainable development of territories.

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