Science Topics term usage 2009-02-03

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.)

1105	earthquakes
579	volcanoes
523	earthquake occurrences
130	maps and atlases
102	real-time monitoring and reporting
90	USGS map servers
82	climate change
63	mineral resources
50	floods
47	energy resources
47	topographic maps
44	water quality
42	avian influenza
42	ground water
42	droughts
40	contamination and pollution
36	invasive species
33	geospatial analysis
31	environmental health (human)
30	remote sensing
30	geologic maps
29	seismology
29	surface water (non-marine)
28	earthquake probabilities
26	volcanic activity
22	fires
21	health and disease
21	earth structure
20	acid deposition
15	global change
13	social sciences
13	river systems
13	natural gas resources
13	California
13	tectonic processes
12	animals
12	ground-water quality
12	USGS maps on demand
11	producers (organisms)
11	oil resources

Science Topics term usage Tuesday, 2009-02-03