Science Topics term usage 2010-09-15

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.)

797	earthquakes
270	earthquake occurrences
195	volcanoes
82	maps and atlases
49	real-time monitoring and reporting
45	climate change
39	map interfaces
37	mineral resources
35	groundwater
35	surface water (non-marine)
31	topographic maps
29	contamination and pollution
26	water quality
26	energy resources
26	floods
24	geospatial analysis
23	invasive species
21	droughts
21	remote sensing
20	seismology
18	geologic maps
16	avian influenza
16	acid deposition
16	earthquake probabilities
15	tectonic processes
12	human impacts
12	fires
11	life sciences
10	geochemistry
10	oil resources
10	surface water quality
10	environmental health (human)
10	social sciences
9	earth structure
9	water chemistry
8	marine geology
7	land use and land cover
7	animals
6	inner core (earth)
6	stream discharge

Science Topics term usage Wednesday, 2010-09-15