Science Topics term usage 2006-05-12

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.)

138	earthquakes
111	volcanoes
67	geographic information systems (GIS)
34	earthquake occurrences
31	real-time monitoring and reporting
30	surface water (non-marine)
30	energy resources
27	rocks and deposits
26	water use
25	animals
24	tectonic processes
24	mineral resources
23	streamflow
23	earth structure
22	water quality
20	ground water
20	earthquake probabilities
19	climate change
18	hazards
17	wildlife
16	acid deposition
15	contamination and pollution
15	ground-water flow
14	birds
14	coastal zones
14	sediment transport
13	hydrology
13	ocean characteristics
13	scientific careers
13	droughts
13	oil resources
12	aerial photography
12	tornadoes
12	volcanology
11	maps and atlases
11	global change
11	meteorites
11	health and disease
11	magnetic field (earth)
11	geologic history

Science Topics term usage Friday, 2006-05-12