Science Topics term usage 2011-09-18

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.)

1321	earthquakes
546	earthquake occurrences
111	volcanoes
76	maps and atlases
60	real-time monitoring and reporting
57	climate change
40	mineral resources
38	earthquake probabilities
37	groundwater
34	surface water (non-marine)
30	droughts
29	energy resources
27	remote sensing
27	contamination and pollution
26	floods
26	water quality
25	geospatial analysis
24	map interfaces
21	avian influenza
19	invasive species
18	topographic maps
17	acid deposition
15	environmental health (human)
14	microbiology
12	seismology
11	geologic maps
10	groundwater flow
10	tsunamis
10	fires
9	ecological processes
9	tectonic processes
8	hydrology
8	animal behavior
7	life sciences
7	human impacts
7	volcanic activity
6	hurricanes
6	marine biology
6	streamflow
6	map coordinate systems

Science Topics term usage Sunday, 2011-09-18