Science Topics term usage 2010-02-20

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.)

968	earthquakes
232	earthquake occurrences
175	volcanoes
100	maps and atlases
80	mineral resources
78	climate change
67	real-time monitoring and reporting
59	contamination and pollution
51	floods
46	map interfaces
45	remote sensing
44	ground water
43	energy resources
41	geospatial analysis
37	water quality
37	earthquake probabilities
32	invasive species
28	tectonic processes
28	environmental health (human)
26	fires
26	avian influenza
25	surface water (non-marine)
25	topographic maps
24	droughts
23	geologic maps
21	natural gas resources
19	volcanic activity
16	land use and land cover
16	social sciences
15	human impacts
15	meteorites
15	health and disease
13	acid deposition
13	coal resources
13	global warming
12	seismology
12	endangered species
12	topography
12	geologic structure
12	river systems

Science Topics term usage Saturday, 2010-02-20