Science Topics term usage 2010-02-22

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.)

1609	earthquakes
563	earthquake occurrences
280	volcanoes
186	maps and atlases
137	mineral resources
133	climate change
128	real-time monitoring and reporting
122	ground water
100	earthquake probabilities
98	floods
96	map interfaces
94	energy resources
83	surface water (non-marine)
76	water quality
74	remote sensing
70	contamination and pollution
70	geospatial analysis
69	topographic maps
65	invasive species
65	animals
64	seismology
61	droughts
52	geologic maps
43	oil resources
41	avian influenza
38	environmental health (human)
37	tectonic processes
36	human impacts
32	fires
32	global warming
31	acid deposition
30	land use and land cover
27	ground-water quality
26	earth structure
25	hazards
24	natural resources
24	hydrogeology
23	sea-floor characteristics
23	volcanic activity
22	aquatic ecosystems

Science Topics term usage Monday, 2010-02-22