Science Topics term usage 2012-03-20

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.)

4807	earthquakes
2034	earthquake occurrences
232	volcanoes
187	real-time monitoring and reporting
150	maps and atlases
113	earthquake probabilities
108	seismology
75	mineral resources
61	floods
60	geospatial analysis
60	surface water (non-marine)
57	climate change
53	groundwater
52	energy resources
44	droughts
40	avian influenza
40	map interfaces
37	remote sensing
33	environmental health (human)
32	invasive species
28	volcanic activity
27	water quality
26	topographic maps
25	tsunamis
24	topics
23	geologic maps
19	microbiology
19	fires
19	contamination and pollution
18	tectonic processes
16	endangered species
15	acid deposition
14	geologic processes
14	human impacts
14	life sciences
13	oil resources
12	marine geology
11	hydrology
11	streamflow
11	biogeography

Science Topics term usage Tuesday, 2012-03-20