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Wojciech Pokojski

Abstract

The paper presents a method for assessing the hydrological inertia of the river catchment areas using the autocorrelation function. The method presented can be used as the criterion for the determination of the degree of hazard to the river basins from the potential hydrological droughts. The basins with high inertia are less susceptible to the shortages of supply and are less threatened by the occurrence of hydrological droughts.

Open access

Paulina Pokojska and Wojciech Pokojski

Abstract

One of the two highest levels of Internet domains has its geographical dimension. It consists of the so-called country-code domains (ccTLDs) assigned to the individual countries of the world according to the standard ISO 3166. Some of these domains took over the role of worldwide functional domains and large income from their sale caused economic and social changes in the countries with attractive country-code domains.

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Joanna Angiel and Wojciech Pokojski

Abstract

The paper presents the topic of academic education for sustainable development (ESD). A diagnostic survey was made in a form of a questionnaire in three groups of respondents: active geography teachers, participants of postgraduate program preparing for teaching geography and undergraduate students majoring in geography. The conducted research revealed how the groups of respondents differ in regards perception and preparedness to use of SD and ESD in school geographical education

Open access

Wojciech Pokojski and Paulina Pokojska

Abstract

The article presents the person and works of Georgy Voronoi (1868-1908), the inventor of an original method of diagrams, a student of the famous mathematician Andrey Markov. Georgy Voronoi graduated from the Department of Physics and Mathematics at the University of St. Petersburg, and subsequently worked as a professor of mathematics at the Imperial University of Warsaw. One of his students was the future outstanding Polish mathematician Wacław Sierpiński. In his brief lifetime G. Voronoi published several important scientific articles on number theory. In an almost 100 page paper in French published in 1908 he described a method of diagrams, or polygons, which became known as the method of Voronoi diagrams. In the digital age this method and its modifications found new applications. The entry “Voronoi” is getting more popular on the Internet, and the method of Voronoi diagrams and its modifications are widely described in handbooks and scientific articles. The article presents application of the method in the most popular computer programs from the Geographic Information System (GIS) group and presents examples of its usage in research on geographic space in various scientific disciplines.