Science Topics term usage 2012-02-28

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.)

807	earthquakes
284	earthquake occurrences
202	volcanoes
115	maps and atlases
74	map interfaces
62	energy resources
57	real-time monitoring and reporting
56	remote sensing
52	groundwater
51	mineral resources
45	invasive species
44	geospatial analysis
40	surface water (non-marine)
39	oil resources
36	contamination and pollution
33	topographic maps
31	water quality
30	climate change
30	earthquake probabilities
29	floods
25	droughts
23	human impacts
23	geologic maps
20	health and disease
19	seismology
16	Antarctica
16	avian influenza
16	life sciences
16	tectonic processes
15	marine biology
15	fires
15	marine geophysics
14	hydrology
14	volcanic activity
14	biodiversity
14	environmental health (human)
14	ecology
13	tsunamis
13	microbiology
12	nonindigenous species

Science Topics term usage Tuesday, 2012-02-28