Science Topics term usage 2005-12-12

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.)

209	volcanoes
199	earthquakes
61	geographic information systems (GIS)
56	earthquake occurrences
51	maps and atlases
44	tectonic processes
39	earth structure
39	mineral resources
37	energy resources
37	real-time monitoring and reporting
31	earthquake probabilities
29	water resources
27	ground water
26	human impacts
25	magnetic field (earth)
25	rocks and deposits
25	geologic structure
25	water quality
24	erosion
23	landslides
23	topography
21	hydrology
21	aerial photography
21	contamination and pollution
21	health and disease
20	remote sensing
20	surface water (non-marine)
19	floods
18	acid deposition
18	hazards
17	water chemistry
17	geochemistry
16	topics
16	cartography
16	tsunamis
16	geospatial analysis
16	snow and ice cover
16	Earth
15	Mount Saint Helens
15	geography

Science Topics term usage Monday, 2005-12-12