1 Dobryakova V.A.
2 Moskvina N.N.
3 Zhegalina L.F.

Tyumen State University


Immanuel Kant Baltic Federal University

Balyk river basin for the period 2006–2017 using ArcGIS Pro statistical analysis tools are presented in this article. The information basis of the research is the local environment monitoring data of license areas of Ugra, Khanty-Mansiysk Autonomous Okrug, RF. The research was implemented in two stages. At the first stage, pollution hot spots were revealed basing on the calculation of local Getis-Ord Gi* index for each year. The calculation was made taking into account the mutual location of sampling points and value of the neighborhood. At the second stage hot spots genesis for 12 years was analyzed via modelling space-and-time cube. Clustering time series of hydrocarbons average annual concentration according to the Getis-Ord Gi* indicator made it possible to determine the places of one-off pollution, most likely associated with oil spills, and to track pollutants transportation along the current. The location of the increasing river ecosystem pollution was also determined. The obtained results enable bringing out basic zones of permanent high hydrocarbon concentrations and places of periodic discharges into the river basin.
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Dobryakova V.A., 
Moskvina N.N., 
Zhegalina L.F., 
(2020) Getis-Ord Gi* statistics at adaptation of perennial hydrocarbon content data in Bolshoy Balyk river basin. Geodesy and cartography = Geodezia i Kartografia, 81(5), pp. 54-64. (In Russian). DOI: 10.22389/0016-7126-2020-959-5-54-64
Publication History
Received: 14.10.2019
Accepted: 05.02.2020
Published: 20.06.2020


2020 May DOI: