Science Topics term usage 2009-03-17

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.)

526	earthquakes
315	volcanoes
232	earthquake occurrences
118	maps and atlases
68	climate change
62	real-time monitoring and reporting
57	USGS map servers
56	energy resources
55	mineral resources
51	floods
50	topographic maps
48	water quality
48	contamination and pollution
43	ground water
38	avian influenza
37	surface water (non-marine)
36	geospatial analysis
35	droughts
33	remote sensing
30	invasive species
25	environmental health (human)
22	acid deposition
19	fires
18	earthquake probabilities
18	oil resources
17	animals
16	human impacts
13	water supply and demand
13	health and disease
12	seismology
12	water resources
12	streamflow
12	volcanic activity
11	geologic maps
10	USGS budget
10	surface water quality
10	tsunamis
10	desert ecosystems
9	endangered species
9	natural gas resources

Science Topics term usage Tuesday, 2009-03-17