Science Topics term usage 2005-11-03

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.)

153	earthquakes
145	volcanoes
75	geographic information systems (GIS)
56	tectonic processes
53	energy resources
47	earthquake occurrences
47	maps and atlases
46	earth structure
37	geologic history
37	surface water (non-marine)
34	coastal zones
31	landslides
28	aerial photography
27	mineral resources
26	fires
26	climate change
25	nonvascular plants
25	animals
24	streamflow
23	ground water
22	rocks and deposits
22	water resources
22	human impacts
22	water quality
20	health and disease
19	oil resources
19	acid deposition
19	contamination and pollution
18	glaciation
18	ground-water flow
18	precipitation (atmospheric)
18	natural gas resources
17	endangered species
17	tsunamis
17	hazards
15	image collections
15	droughts
15	extinction and extirpation
15	storms
15	real-time monitoring and reporting

Science Topics term usage Thursday, 2005-11-03