Science Topics term usage 2009-08-14

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
336	earthquake occurrences
218	maps and atlases
213	volcanoes
135	real-time monitoring and reporting
117	mineral resources
106	topographic maps
102	energy resources
93	map interfaces
89	geospatial analysis
78	climate change
73	fires
67	surface water (non-marine)
64	invasive species
60	water quality
60	floods
60	avian influenza
57	contamination and pollution
57	ground water
55	droughts
51	remote sensing
41	surface water quality
37	environmental health (human)
34	land use and land cover
34	geologic maps
30	health and disease
28	river systems
26	earthquake probabilities
26	geographic information systems (GIS)
25	animals
24	seismology
20	life sciences
18	water sampling
18	drainage basins
17	coal resources
17	endangered species
16	oil resources
16	seismic methods
15	ground-water flow
15	radiometric dating

Science Topics term usage Friday, 2009-08-14