Science Topics term usage 2006-09-28

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.)

94	earthquakes
75	volcanoes
55	geography
52	geographic information systems (GIS)
40	animals
31	cartography
30	physiological processes
26	tectonic processes
25	floods
24	earth structure
24	endangered species
24	energy resources
23	maps and atlases
23	human impacts
22	earthquake occurrences
21	ocean characteristics
21	health and disease
21	contamination and pollution
21	ecosystems
21	land surface characteristics
21	acid deposition
20	water quality
20	climate change
19	mineral resources
19	erosion
18	geologic history
18	wildlife
17	ground-water flow
16	remote sensing
16	meteorites
16	planetary bodies
16	geologic structure
16	outer core (earth)
15	aerial photography
15	storms
15	streamflow
15	tsunamis
14	real-time monitoring and reporting
14	global change
14	snow and ice cover

Science Topics term usage Thursday, 2006-09-28