Science Topics term usage 2006-05-17

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.)

208	volcanoes
152	earthquakes
61	geographic information systems (GIS)
40	real-time monitoring and reporting
36	tectonic processes
33	earthquake occurrences
30	surface water (non-marine)
29	earth structure
29	streamflow
29	energy resources
27	rocks and deposits
26	landslides
25	geologic history
24	animals
24	health and disease
23	tsunamis
22	geologic structure
21	climate change
20	volcanic activity
20	snow and ice cover
20	acid deposition
19	water quality
18	contamination and pollution
18	aerial photography
18	floods
17	human impacts
17	ground water
17	cartography
17	hazards
17	mineral resources
16	maps and atlases
16	oil resources
15	planetary bodies
15	natural gas resources
15	remote sensing
15	seismology
15	topics
14	coastal zones
13	marine geology
13	droughts

Science Topics term usage Wednesday, 2006-05-17