Science Topics term usage 2008-04-30

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.)

2352	earthquakes
1174	earthquake occurrences
243	volcanoes
155	maps and atlases
123	real-time monitoring and reporting
94	floods
82	climate change
79	earthquake probabilities
77	USGS map servers
76	ground water
63	water quality
57	mineral resources
54	energy resources
54	droughts
52	geospatial analysis
49	surface water (non-marine)
46	seismology
43	contamination and pollution
42	remote sensing
40	invasive species
40	avian influenza
37	fires
36	California
31	environmental health (human)
30	river systems
22	Nevada
21	oil resources
19	acid deposition
19	volcanic activity
17	global warming
15	erosion
14	Washoe
14	desert ecosystems
14	topics
13	tectonic processes
13	human impacts
13	hydrogeology
13	animals
12	ocean characteristics
12	health and disease

Science Topics term usage Wednesday, 2008-04-30