About the experience of GIS technologies application for the study of changes of the mean annual air temperature on the territory of the European part of Russia

https://doi.org/10.35595/2414-9179-2019-2-25-121-132

View or download the article (Rus)

About the Authors

Natalia G. Ivlieva

National Research Ogarev Mordovia State University,
Bolshevistskaya Str., 68, 4300005, Saransk, Russia,
E-mail: gkg_mrsu@mail.ru

Vladimir F. Manukhov

National Research Ogarev Mordovia State University,
Bolshevistskaya Str., 68, 4300005, Saransk, Russia,
E-mail: gkg_mrsu@mail.ru

Regina B. Shaykunova

National Research Ogarev Mordovia State University,
Bolshevistskaya Str., 68, 4300005, Saransk, Russia,
E-mail: reginashajkunova@yandex.ru

Abstract

The relevance of climate research is related to the current global warming of the climate and the need to identify spatiotemporal features of changes in the temperature regime and to clarify the manifestation of anomalies in the territory.

To conduct the analysis, we have chosen three 30-year periods with a step of 10 years and a shorter time interval—from 1991 to 2015. In our study, the main sources were the online archives of climate data. The initial data was mathematically processed in Microsoft Excel: the average annual temperature values were calculated, then the average for the observation period (norms). ArcGIS 10 GIS package was chosen for spatial-temporal analysis and mapping of climate changes which has a large set of tools for geoinformation modeling and cartographic visualization of the results. For the space-time analysis and the construction of isoline temperature maps, digital surface models were used. Maps of the average annual air temperature of the European territory of Russia constructed on the basis of kriging interpolation are presented. To demonstrate and compare the general trend in different observation periods, the method of polynomial regression (trend) was used. In order to trace the dynamics of the average annual temperature from 1961 to 2015 for all meteorological stations the norms of the previous period were subtracted from the norms of the subsequent period, interpolation was carried out from these data and maps of differences in norms and anomalies were constructed in the same scale which makes it possible to compare investigated time intervals visually. Marked are the areas that are more prone to climate change and the territory with less pronounced changes. It is shown that for ready-made analysis it is possible to use ready-made specially prepared grid data of various projects.

The examples of the use of GIS-technologies for modeling the spatial variation of the changes in the average annual air temperature in the European part illustrate certain capabilities of software products for implementing modern approaches to the study of the manifestation of global warming.

Keywords

GIS-technologies, spatial analysis, methods of interpolation.

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For citation: Ivlieva N.G., Manukhov V.F., Shaykunova R.B. About the experience of GIS technologies application for the study of changes of the mean annual air temperature on the territory of the European part of Russia InterCarto. InterGIS. GI support of sustainable development of territories: Proceedings of the International conference. Moscow: Moscow University Press, 2019. V. 25. Part 2. P. 121–132. DOI: 10.35595/2414-9179-2019-2-25-121-132 (In Russian)