Science Topics term usage 2009-10-18

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.)

887	earthquakes
363	earthquake occurrences
299	volcanoes
183	maps and atlases
125	climate change
121	real-time monitoring and reporting
90	energy resources
89	mineral resources
77	contamination and pollution
76	floods
76	map interfaces
75	invasive species
67	water quality
67	ground water
59	remote sensing
56	surface water (non-marine)
55	droughts
54	topographic maps
49	avian influenza
48	environmental health (human)
47	geospatial analysis
46	human impacts
44	earthquake probabilities
39	fires
37	geologic maps
34	acid deposition
30	seismology
28	global warming
27	oil resources
26	topics
25	earth structure
25	erosion
24	life sciences
23	drainage basins
22	ecosystems
22	volcanic activity
22	sea-floor characteristics
21	social sciences
21	water properties
20	pesticide and herbicide contamination

Science Topics term usage Sunday, 2009-10-18