As pressures on the natural environment from urbanization and economic development increase, we must take responsibility for earth's resources. Because globalization is pervasive and affects almost all aspects of our lives, the effects of our actions are not limited to one country. However, taking effective and coordinated action in transboundary areas that cover more than one country is even more complicated.
In recent years, water resources have become the subject of special concern by citizens and local governments. These concerns have been reflected in European Union (EU) directives. The natural level of geography for monitoring and protecting water resources is the river catchment. [A river catchment is all the land drained by a single river and its tributaries.] EU directives require water resources protection and management at this level.
To this end, Poland and Slovakia built a GIS named PLUSK (or SPLASH) that is designed to serve as a common platform for information exchange, analysis, and surface water and groundwater resources management. The project name comes from combining the international country name abbreviations for Poland (PL) and Slovakia (SK).