Science Topics term usage 2008-03-12

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.)

478	earthquakes
177	earthquake occurrences
154	volcanoes
143	maps and atlases
89	USGS map servers
84	contamination and pollution
84	real-time monitoring and reporting
80	climate change
76	energy resources
70	mineral resources
70	water quality
65	ground water
60	surface water (non-marine)
58	remote sensing
56	avian influenza
48	geospatial analysis
44	invasive species
37	environmental health (human)
36	fires
23	earthquake probabilities
19	acid deposition
17	seismology
17	animals
16	hazards
16	global warming
15	river systems
14	desert ecosystems
13	ground-water quality
13	USGS budget
13	tectonic processes
13	volcanic activity
12	earth structure
12	land use and land cover
12	water cycle
12	streamflow
12	erosion
12	human impacts
11	metallic ores
11	oil resources
11	coal resources

Science Topics term usage Wednesday, 2008-03-12