hydrologic
/ˌhaɪdrəˈlɑdʒɪk/
adjective
- Relating to the study of water on Earth, including its movement, distribution, and quality.
- The region's hydrologic data showed a decrease in groundwater levels over the past decade.
- Scientists use hydrologic models to predict floods and droughts.
- The hydrologic cycle describes how water evaporates, condenses, and falls as rain.
Synonyms