Science Topics term usage 2010-04-21

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.)

2359	earthquakes
1083	volcanoes
897	earthquake occurrences
217	maps and atlases
181	climate change
176	real-time monitoring and reporting
109	earthquake probabilities
96	energy resources
95	seismology
81	volcanic activity
80	mineral resources
78	topographic maps
75	map interfaces
67	floods
63	remote sensing
63	surface water (non-marine)
62	ground water
61	water quality
60	geospatial analysis
58	invasive species
53	droughts
51	avian influenza
47	geologic maps
42	contamination and pollution
42	human impacts
35	sea-floor characteristics
34	fires
33	oil resources
32	river systems
32	global warming
28	hazards
27	volcanic eruption prediction
26	volcanic features
24	tectonic processes
24	hydrology
23	environmental assessment
23	ground-water flow
22	stream-gage measurement
22	land use and land cover
22	soil resources

Science Topics term usage Wednesday, 2010-04-21