1) гидрология
2) гидрологические данные; гидрологические расчёты
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- agricultural hydrology
- applied hydrology
- engineering hydrology
- flood hydrology
- groundwater hydrology
- input hydrology
- land hydrology
- river hydrology
- satellite hydrology
- scientific hydrology
- sea hydrology
- snowmelt hydrology
- space hydrology
- surface-water hydrology