Science Topics term usage 2008-11-20

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.)

756	earthquakes
320	earthquake occurrences
168	volcanoes
135	maps and atlases
65	climate change
58	real-time monitoring and reporting
56	floods
55	USGS map servers
55	water quality
51	ground water
51	mineral resources
50	energy resources
44	surface water (non-marine)
41	geospatial analysis
38	remote sensing
38	contamination and pollution
36	avian influenza
33	droughts
31	fires
31	environmental health (human)
28	invasive species
26	earthquake probabilities
21	seismology
18	surface water quality
16	California
16	ground-water quality
16	river systems
16	volcanic activity
14	acid deposition
14	global warming
12	health and disease
12	USGS budget
12	ground-water flow
12	earth structure
12	oil resources
11	hydrogeology
11	social sciences
11	producers (organisms)
11	hazards
11	topics

Science Topics term usage Thursday, 2008-11-20