Science Topics term usage 2005-04-28

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.)

295	earthquakes
247	volcanoes
123	geographic information systems (GIS)
100	surface water (non-marine)
92	earthquake occurrences
65	tectonic processes
56	geologic history
54	energy resources
49	maps and atlases
43	tsunamis
43	landslides
42	ground water
37	mineral resources
35	earth structure
35	streamflow
34	rocks and deposits
34	hazards
29	water resources
29	seismology
29	erosion
28	ground-water flow
27	water quality
27	animals
27	climate change
25	ecology
24	earthquake probabilities
23	aerial photography
22	ecosystems
22	lakes
22	oil resources
22	storms
22	floods
22	volcanic activity
21	hydrogeology
20	image collections
20	planetary bodies
20	droughts
19	human impacts
19	real-time monitoring and reporting
19	acid deposition

Science Topics term usage Thursday, 2005-04-28