Science Topics term usage 2012-05-21

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.)

1005	earthquakes
329	earthquake occurrences
123	volcanoes
74	maps and atlases
72	real-time monitoring and reporting
49	climate change
41	energy resources
40	surface water (non-marine)
39	remote sensing
36	mineral resources
34	groundwater
34	droughts
34	floods
34	earthquake probabilities
30	geospatial analysis
28	contamination and pollution
27	water quality
26	invasive species
22	avian influenza
21	seismology
21	map interfaces
19	environmental health (human)
17	acid deposition
17	geologic maps
16	human impacts
15	fires
14	natural gas resources
14	tsunamis
13	oil resources
13	microbiology
13	health and disease
12	tectonic processes
11	topographic maps
11	life sciences
10	earth sciences
10	volcanic activity
9	biodiversity
9	magnetic field (earth)
9	geographic information systems (GIS)
8	marine biology

Science Topics term usage Monday, 2012-05-21