Science Topics term usage 2009-08-05

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.)

544	earthquakes
262	earthquake occurrences
145	maps and atlases
129	volcanoes
107	real-time monitoring and reporting
71	energy resources
66	mineral resources
65	topographic maps
56	surface water (non-marine)
54	map interfaces
52	water quality
51	geospatial analysis
50	droughts
50	climate change
44	floods
41	avian influenza
36	seismology
36	geologic maps
36	fires
34	ground water
34	contamination and pollution
32	natural gas resources
31	environmental health (human)
30	remote sensing
30	invasive species
29	earthquake probabilities
26	rocks and deposits
26	oil resources
25	economic geology
23	human impacts
22	land use and land cover
20	health and disease
17	biogeography
17	animals
16	erosion
15	gravitational field (earth)
15	hydrology
15	geochemistry
14	metallic ores
14	ground-water quality

Science Topics term usage Wednesday, 2009-08-05