Science Topics term usage 2012-09-20

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.)

459	earthquakes
137	earthquake occurrences
125	volcanoes
45	climate change
43	maps and atlases
43	real-time monitoring and reporting
32	remote sensing
30	mineral resources
28	geospatial analysis
27	map interfaces
27	craters
26	energy resources
26	floods
25	groundwater
23	surface water (non-marine)
23	contamination and pollution
21	microbiology
18	earth sciences
18	avian influenza
17	invasive species
17	water quality
17	environmental health (human)
17	fires
16	droughts
14	earthquake probabilities
14	seismology
12	tsunamis
12	tectonic processes
11	drainage basins
11	geologic processes
11	geologic maps
10	volcanic activity
10	life sciences
10	endangered species
10	earth structure
9	aerial photography
8	animals
8	impact cratering
8	zoology
8	employment and volunteer opportunities

Science Topics term usage Thursday, 2012-09-20