TY JOUR TI Key Aspects of Information Technology for Maintaining of the Unified State Fund of Data on the State of the Environment, Its Pollution KW Hydrometeorology KW Environmental monitoring KW Big data KW Long-term storage KW Information systems and technologies KW Retrieval system KW Databases KW Metadata KW Information resources JO Russian Journal of Earth Sciences AU Kolesnikov, E.V. AU Shaymardanov, V.M. PY 2025 IS 25 PB Geophysical Center of the Russian Academy of Sciences