Science Topics term usage 2010-09-23

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.)

917	earthquakes
286	earthquake occurrences
176	volcanoes
78	maps and atlases
70	real-time monitoring and reporting
59	energy resources
46	seismology
45	mineral resources
42	climate change
33	map interfaces
32	floods
29	remote sensing
26	groundwater
25	surface water (non-marine)
25	water quality
25	earthquake probabilities
24	topographic maps
23	contamination and pollution
20	droughts
20	geospatial analysis
20	invasive species
17	animals
15	avian influenza
15	acid deposition
14	oil resources
12	life sciences
12	earth structure
11	fires
11	human impacts
10	volcanic activity
10	environmental health (human)
9	groundwater quality
9	endangered species
8	hydrology
8	geologic maps
8	land use and land cover
8	tectonic processes
7	ocean characteristics
7	social sciences
6	precipitation (atmospheric)

Science Topics term usage Thursday, 2010-09-23