Science Topics term usage 2010-06-09

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.)

775	earthquakes
331	earthquake occurrences
225	volcanoes
124	maps and atlases
114	real-time monitoring and reporting
81	mineral resources
77	energy resources
66	surface water (non-marine)
65	ground water
57	climate change
55	floods
53	map interfaces
44	geospatial analysis
41	streamflow
40	water quality
39	stream-gage measurement
39	topographic maps
33	river systems
31	oil resources
30	geologic maps
28	invasive species
26	contamination and pollution
24	droughts
23	land use and land cover
22	remote sensing
21	avian influenza
21	human impacts
20	rocks and deposits
20	environmental health (human)
17	earth structure
16	volcanic activity
15	endangered species
15	fires
15	earthquake probabilities
14	soil resources
13	seismology
13	social sciences
13	tectonic processes
13	ground-water quality
12	biogeography

Science Topics term usage Wednesday, 2010-06-09