Rounding out the field research and analysis of the available source material can be an interactive web application that presents collected data and elaborated analysis. Thematic, interactive and free access web application as educational material can affect the growth of awareness of the population and the development of appropriate attitudes and social responsibility for the local natural environment. The purpose of this paper is to present characteristics and analysis of selected techniques and tools for creating web applications. Web applications are a special kind of software. Their tasks are processed on a locally computer or on a server and delivered to the user via the Internet. The basic premise of the research was to create from scratch a sample web application, the function of which is an interactive presentation of the characteristics of water reservoirs Jeziorzany and Wołowice (Małopolska province) and theirs catchment area.

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