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.

habitats (2) hafnium (3) hammocks -> physiographic features (35) seismic hazard maps (5) -> maps and atlases WITH earthquake occurrences hazard preparedness (2) coastal hazards (1) -> coastal processes WITH hazards earthquake hazards (12) -> earthquakes WITH hazards environmental hazards -> hazards (21) geologic hazards -> hazards (21) hazards (21) He -> helium (3) headwaters -> drainage basins (2) slag heaps -> disposal sites (3) helium (3) Hf -> hafnium (3) Hg -> mercury (7) Advanced Very High Resolution Radiometer (AVHRR) -> AVHRR (1) hills -> mountains (3) climate history -> climate change (7) geologic history (41) life history -> population and community ecology (3) strain history -> deformation (geologic) (51) hogbacks -> ridges (3) hot springs -> thermal features (2) human impacts (9) hurricanes (56) gas hydrate resources (2) methane hydrate resources -> gas hydrate resources (2) hydrogeology (5) hydrographic features (12) hydrographic sections -> hydrogeology (5) hydrographic structures (1) hydrologic maps (2) -> hydrology WITH maps and atlases hydrologic processes (3) hydrology (3)