Science Topics term usage 2009-08-21

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.)

699	earthquakes
291	earthquake occurrences
256	volcanoes
218	maps and atlases
194	real-time monitoring and reporting
144	mineral resources
126	surface water (non-marine)
126	ground water
111	floods
110	topographic maps
98	climate change
94	water quality
94	contamination and pollution
92	energy resources
83	map interfaces
76	geospatial analysis
75	avian influenza
70	invasive species
69	remote sensing
68	droughts
59	environmental health (human)
55	animals
46	earthquake probabilities
40	seismology
39	health and disease
37	ground-water quality
35	fires
32	human impacts
31	hydrology
31	field methods
31	life sciences
31	hydrogeology
30	streamflow
30	hazards
29	land use and land cover
29	geologic maps
28	river systems
25	earth structure
25	water resources
24	surface water quality

Science Topics term usage Friday, 2009-08-21