Science Topics term usage 2009-10-26

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.)

1023	earthquakes
454	earthquake occurrences
420	volcanoes
220	maps and atlases
183	real-time monitoring and reporting
157	mineral resources
122	climate change
116	surface water (non-marine)
107	floods
105	water quality
91	ground water
88	energy resources
88	contamination and pollution
86	topographic maps
85	map interfaces
83	geospatial analysis
78	invasive species
70	human impacts
62	geologic maps
59	remote sensing
56	droughts
53	seismology
52	environmental health (human)
49	earthquake probabilities
41	avian influenza
39	animals
36	oil resources
34	river systems
34	fires
31	soil resources
31	earth structure
31	sea-floor characteristics
29	ground-water flow
29	plants (organisms)
29	health and disease
29	acid deposition
27	life sciences
26	endangered species
26	water supply and demand
25	stream discharge

Science Topics term usage Monday, 2009-10-26