Science Topics term usage 2011-09-20

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.)

1091	earthquakes
433	earthquake occurrences
222	volcanoes
108	maps and atlases
72	real-time monitoring and reporting
63	energy resources
57	climate change
56	groundwater
56	mineral resources
54	floods
53	water quality
47	surface water (non-marine)
39	map interfaces
37	geospatial analysis
36	invasive species
34	earthquake probabilities
32	topographic maps
30	contamination and pollution
27	avian influenza
27	oil resources
26	droughts
25	remote sensing
24	life sciences
22	volcanic activity
22	seismology
21	endangered species
21	geologic maps
19	fires
19	environmental health (human)
18	water supply and demand
18	surface water quality
17	natural gas resources
16	microbiology
14	acid deposition
14	health and disease
14	hydrology
13	tsunamis
11	aquatic biology
11	marine geology
11	human impacts

Science Topics term usage Tuesday, 2011-09-20