<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This article describes two methods of showing the distribution of temperature on the surface and inside a spoil tip (coal mine waste dump) located in Wojkowice (in the Silesian Voivodeship). Two deterministic estimation methods were tested, i.e., Inverse Distance Weighting (IDW) and Radial Basis Functions (RBF). According to isotherm maps the highest temperature on the surface of the “Wojkowice” spoil tip was in the NE area, while inside the heap the highest temperature noted was in the SW area. Better results were obtained from the application of the RBF method. A three-dimensional model (3D model) was generated by the method, which visualized the temperature distribution within the “Wojkowice” spoil tip. According to the 3D model of the temperature distribution the greatest heat centre inside the heap in Wojkowice was located in the SW part with a temperature of around 300°C. As a result, it can be concluded that the material of the “Wojkowice” spoil tip is burning out in a NW direction. On the basis of the model obtained it is possible to determine the location of potentially dangerous places which are exposed to possible deformations caused by the material burning under the surface. The results of the research presented make it possible to assess the thermal state of the spoil heap located in Wojkowice, Poland.</p></abstract>

This article describes two methods of showing the distribution of temperature on the surface and inside a spoil tip (coal mine waste dump) located in Wojkowice (in the Silesian Voivodeship). Two deterministic estimation methods were tested, i.e., Inverse Distance Weighting (IDW) and Radial Basis Functions (RBF). According to isotherm maps the highest temperature on the surface of the “Wojkowice” spoil tip was in the NE area, while inside the heap the highest temperature noted was in the SW area. Better results were obtained from the application of the RBF method. A three-dimensional model (3D model) was generated by the method, which visualized the temperature distribution within the “Wojkowice” spoil tip. According to the 3D model of the temperature distribution the greatest heat centre inside the heap in Wojkowice was located in the SW part with a temperature of around 300°C. As a result, it can be concluded that the material of the “Wojkowice” spoil tip is burning out in a NW direction. On the basis of the model obtained it is possible to determine the location of potentially dangerous places which are exposed to possible deformations caused by the material burning under the surface. The results of the research presented make it possible to assess the thermal state of the spoil heap located in Wojkowice, Poland.

Aplication of IDW and RBF methods to develop models of temperature distribution within a spoil tip located in Wojkowice, Poland

Department of Botany and Nature Protection, Faculty of Biology and Environmental Protection

Department of Geoinformation and Geoenvironmental Research, Institute of Geography, Faculty of Geography and Biology

Environmental & Socio-economic Studies

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

This article describes two methods of showing the distribution of temperature on the surface and inside a spoil tip (coal mine waste dump) located in Wojkowice...

Aplication of IDW and RBF methods to develop models of temperature distribution within a spoil tip located in Wojkowice, Poland

Published Online: Mar 23, 2018

Page range: 38 - 45

Received: Oct 21, 2017

Accepted: Dec 10, 2017

DOI: https://doi.org/10.2478/environ-2018-0005

Keywords
spoil tip, spoil dump, extractive waste, spontaneous combustion, Inverse Distance Weighting, Radial Basis Functions

© 2018 Adrian Zarychta et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Aplication of IDW and RBF methods to develop models of temperature distribution within a spoil tip located in Wojkowice, Poland

Published Online: Mar 23, 2018

Page range: 38 - 45

Received: Oct 21, 2017

Accepted: Dec 10, 2017

DOI: https://doi.org/10.2478/environ-2018-0005

Keywordsspoil tip, spoil dump, extractive waste, spontaneous combustion, Inverse Distance Weighting, Radial Basis Functions

© 2018 Adrian Zarychta et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
spoil tip, spoil dump, extractive waste, spontaneous combustion, Inverse Distance Weighting, Radial Basis Functions