Science Topics term usage 2005-11-22

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

145	earthquakes
135	volcanoes
69	geographic information systems (GIS)
42	earthquake occurrences
38	maps and atlases
35	tectonic processes
34	mineral resources
32	energy resources
30	surface water (non-marine)
27	earth structure
26	animals
26	climate change
26	erosion
25	storms
24	ground water
23	rocks and deposits
23	hydrology
22	landslides
22	floods
21	hazards
21	water quality
18	geologic history
18	ecosystems
18	marine geology
17	contamination and pollution
17	land surface characteristics
17	geology
16	nonvascular plants
16	geologic structure
16	seismology
16	geography
15	hurricanes
15	human impacts
15	precipitation (atmospheric)
14	water supply and demand
14	water resources
14	topography
14	water use
14	coastal zones
14	tsunamis

Science Topics term usage Tuesday, 2005-11-22