Science Topics term usage 2006-01-31

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.)

263	earthquakes
193	volcanoes
63	geographic information systems (GIS)
57	environmental health (human)
55	earthquake occurrences
52	health and disease
44	energy resources
38	mineral resources
36	tectonic processes
35	maps and atlases
35	human impacts
30	geologic history
29	earth structure
28	aerial photography
27	climate change
27	rocks and deposits
26	earthquake probabilities
25	tsunamis
24	contamination and pollution
23	geography
21	landslides
21	streamflow
20	ground water
20	magnetic field (earth)
20	planetary bodies
19	oil resources
19	erosion
19	floods
19	hazards
18	biogeography
17	geologic structure
15	droughts
15	ocean characteristics
15	animals
15	endangered species
15	real-time monitoring and reporting
15	acid deposition
14	mining hazards
14	gravitational field (earth)
14	storms

Science Topics term usage Tuesday, 2006-01-31