Science Topics term usage 2009-04-24

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.)

1794	earthquakes
1052	earthquake occurrences
183	volcanoes
117	maps and atlases
110	real-time monitoring and reporting
61	climate change
56	energy resources
50	USGS map servers
49	mineral resources
46	topographic maps
45	water quality
45	avian influenza
43	seismology
39	contamination and pollution
37	California
35	geospatial analysis
34	remote sensing
34	ground water
33	floods
30	invasive species
29	earthquake probabilities
28	fires
28	surface water (non-marine)
26	geologic maps
25	environmental health (human)
25	droughts
18	acid deposition
16	Orange
13	human impacts
12	health and disease
12	oil resources
11	erosion
11	ground-water quality
10	desert ecosystems
9	ground-water flow
9	waste treatment and disposal
9	topics
9	global change
8	global warming
8	tectonic processes

Science Topics term usage Friday, 2009-04-24