Science Topics term usage 2011-03-23

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.)

1864	earthquakes
573	earthquake occurrences
371	volcanoes
133	maps and atlases
118	real-time monitoring and reporting
88	earthquake probabilities
72	climate change
69	floods
66	groundwater
60	mineral resources
54	energy resources
52	map interfaces
51	surface water (non-marine)
45	geospatial analysis
44	tsunamis
42	water quality
41	seismology
33	oil resources
31	geologic maps
30	invasive species
30	remote sensing
30	topographic maps
28	contamination and pollution
28	avian influenza
26	droughts
24	tectonic processes
22	environmental health (human)
22	volcanic activity
18	fires
16	streamflow
13	human impacts
13	health and disease
13	groundwater flow
13	microbiology
12	hazards
12	endangered species
11	surface water quality
11	hydrology
9	animals
9	river systems

Science Topics term usage Wednesday, 2011-03-23