Science Topics term usage 2009-04-28

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.)

724	earthquakes
338	earthquake occurrences
212	avian influenza
199	volcanoes
117	maps and atlases
97	real-time monitoring and reporting
73	floods
63	climate change
61	ground water
52	mineral resources
51	energy resources
46	USGS map servers
43	topographic maps
40	water quality
37	environmental health (human)
35	surface water (non-marine)
33	geologic maps
30	geospatial analysis
29	remote sensing
29	fires
28	invasive species
25	droughts
24	contamination and pollution
23	land use and land cover
19	global warming
19	seismology
19	earthquake probabilities
16	mountains
15	health and disease
15	oil resources
14	animals
14	metallic ores
14	endangered species
12	human impacts
11	tectonic processes
11	earth structure
10	river systems
10	acid deposition
10	water cycle
10	streamflow

Science Topics term usage Tuesday, 2009-04-28