Science Topics term usage 2012-04-26

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.)

694	earthquakes
217	volcanoes
214	earthquake occurrences
105	maps and atlases
92	real-time monitoring and reporting
74	surface water (non-marine)
74	mineral resources
71	groundwater
64	floods
58	energy resources
58	remote sensing
55	geospatial analysis
54	climate change
50	water quality
46	contamination and pollution
41	map interfaces
35	invasive species
34	droughts
32	earthquake probabilities
30	environmental health (human)
28	topographic maps
24	avian influenza
22	microbiology
21	natural gas resources
21	geologic maps
20	human impacts
18	health and disease
17	rocks and deposits
17	streamflow
16	river systems
16	life sciences
14	endangered species
14	volcanic activity
14	seismology
14	economic geology
13	water chemistry
13	oil resources
13	tsunamis
12	meteorites
12	magnetic field (earth)

Science Topics term usage Thursday, 2012-04-26