Science Topics term usage 2010-04-20

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.)

2939	earthquakes
1362	volcanoes
1163	earthquake occurrences
234	real-time monitoring and reporting
193	maps and atlases
147	seismology
144	earthquake probabilities
139	climate change
131	ground water
115	energy resources
96	mineral resources
89	floods
84	droughts
79	map interfaces
77	surface water (non-marine)
74	geospatial analysis
71	remote sensing
69	invasive species
68	water quality
64	topographic maps
56	volcanic activity
54	contamination and pollution
45	avian influenza
41	land use and land cover
38	tectonic processes
38	oil resources
36	geologic maps
35	environmental health (human)
35	volcanic eruption prediction
30	fires
29	streamflow
28	soil resources
28	human impacts
26	earth structure
26	topics
26	volcanic features
23	surface water quality
23	stream discharge
23	hazards
22	river systems

Science Topics term usage Tuesday, 2010-04-20