Akademik
hydr - impe
hydration
hydraulic action
hydraulic radius
hydro-electric power
hydrograph
hydrological cycle
hydrolysis
hydrophyte
hydrosere
hydrosphere
hygroscopic
hygroscopic water
hypersaline
hypothesis
HYV
Ice Age
ice cap
ice core
ice lens
ice sheet
ice wedge
iceberg
igneous
illuviation
IMF
immature soil
immigration