Alphabetical listing of categories: H

a b c d e f g H i j k l m n o p q r s t u v w x y z

Number of information resources is shown in parentheses after each term.

hammocks -> physiographic features (16) seismic hazard maps (5) -> maps and atlases WITH earthquake occurrences hazard mitigation -> hazard preparedness (2) hazard preparedness (2) earthquake hazards (3) -> earthquakes WITH hazards environmental hazards -> hazards (5) geologic hazards -> hazards (5) hazards (5) headwaters -> drainage basins (1) Hg -> mercury (3) Advanced Very High Resolution Radiometer (AVHRR) -> AVHRR (1) climate history -> climate change (5) geologic history (39) life history -> population and community ecology (5) strain history -> deformation (geologic) (52) hot springs -> thermal features (2) human impacts (9) hurricanes (56) gas hydrate resources (2) methane hydrate resources -> gas hydrate resources (2) hydrogeology (2) hydrographic features (6) hydrographic sections -> hydrogeology (2) hydrologic maps (1) -> hydrology WITH maps and atlases hydrologic processes (2) hydrology (1)