Science Topics term usage 2009-07-26

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.)

356	earthquakes
157	earthquake occurrences
67	volcanoes
62	maps and atlases
54	real-time monitoring and reporting
41	mineral resources
31	droughts
29	climate change
28	floods
27	contamination and pollution
27	remote sensing
26	map interfaces
25	ground water
25	energy resources
24	topographic maps
24	water quality
22	invasive species
20	avian influenza
19	surface water (non-marine)
16	environmental health (human)
16	geospatial analysis
15	fires
9	animals
9	geologic maps
9	earthquake probabilities
8	rocks and deposits
8	human impacts
8	ocean characteristics
6	acid deposition
6	soil resources
6	aerial photography
6	metallic ores
5	tectonic processes
5	health and disease
5	erosion
5	geographic information systems (GIS)
5	geochemistry
5	laboratories
4	magnetic field (earth)
4	water temperature

Science Topics term usage Sunday, 2009-07-26