Surface water is all inland waters standing or flowing on the surface of the land and coastal waters, including the territorial sea. Surface water bodies are divided into flowing (rivers, streams, ditches, canals), stagnant (lakes, ponds) and coastal water bodies. To manage surface water bodies, they are divided into parts, i.e. clearly distinct water bodies, and their records are kept.

What is KAIA KAIA – Environmental portal open data service – is a service for sharing data files of meteorological and hydrological measurements. KAIA datasets The following meteorological and hydrological observation and model data files are shared as open data through the KAIA application: meteorological radar raw data and product data meteorological station observation raw data weather warnings...

The publication of open data on the Environmental Portal is a step towards ensuring high-quality and up-to-date data for all environmental stakeholders, researchers, officials, public sector institutions, companies, startups, educational institutions, data scientists, and others.