Science Topics term usage 2005-11-15

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.)

276	earthquakes
181	volcanoes
102	tectonic processes
94	geographic information systems (GIS)
80	earthquake occurrences
62	maps and atlases
52	earth structure
49	geologic history
48	energy resources
38	real-time monitoring and reporting
36	ground water
34	mineral resources
33	tsunamis
32	earthquake probabilities
32	rocks and deposits
32	animals
31	storms
31	floods
29	surface water (non-marine)
28	hazards
28	water quality
27	geologic structure
26	ground-water flow
25	climate change
25	land surface characteristics
25	contamination and pollution
25	erosion
24	global change
22	ecosystems
22	coastal zones
22	aerial photography
22	human impacts
21	marine geology
21	endangered species
21	cartography
20	planetary bodies
20	landslides
19	acid deposition
19	magnetic field (earth)
19	water properties

Science Topics term usage Tuesday, 2005-11-15