hydrogen-bonding motif
hydrogen-bonding network
hydrogen-bonding patterns
hydrogen-bonding sites
hydrogen-transfer reactions
hydrogen/deuterium exchange
hydrogenation processes
hydrogenation reactions
hydrogenic impurity
hydrogeological conditions
hydrograph
hydrograph analysis

hydrograph separation
hydrographic basins
hydrographic conditions
hydrolase
hydrolase activity
hydrolase family
hydrolase fold
hydrolase inhibition
hydrologic alteration
hydrologic conditions
hydrologic connectivity
hydrologic cycle
hydrologic data

hydrologic measurements
hydrologic model
hydrologic modelling
hydrologic models
hydrologic processes
hydrologic regime
hydrologic response
hydrological
hydrological applications
hydrological balance
hydrological change
hydrological characteristics
hydrological conditions

hydrological connectivity
hydrological cycle
hydrological data
hydrological disturbance
hydrological effects
hydrological events
hydrological forecasting
hydrological functioning
hydrological impacts
hydrological model
hydrological modelling
hydrological models
hydrological parameters

hydrological processes
hydrological properties
hydrological regime
hydrological units