Science Topics term usage 2009-02-09

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.)

713	earthquakes
382	volcanoes
273	earthquake occurrences
136	maps and atlases
100	real-time monitoring and reporting
70	climate change
66	USGS map servers
60	mineral resources
57	energy resources
57	floods
56	topographic maps
48	droughts
46	ground water
44	remote sensing
41	avian influenza
40	contamination and pollution
40	water quality
38	invasive species
36	surface water (non-marine)
35	fires
34	geospatial analysis
26	health and disease
25	geologic maps
23	environmental health (human)
19	human impacts
16	earthquake probabilities
16	ground-water flow
15	animals
15	oil resources
14	global change
14	acid deposition
13	freshwater ecosystems
13	seismology
13	global warming
12	natural gas resources
12	desert ecosystems
12	social sciences
12	tectonic processes
12	tsunamis
11	earth structure

Science Topics term usage Monday, 2009-02-09