Science Topics term usage 2006-10-05

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.)

92	earthquakes
79	water sampling
69	volcanoes
54	geographic information systems (GIS)
29	maps and atlases
26	animals
26	earthquake occurrences
25	erosion
23	tectonic processes
23	topography
20	mineral resources
20	earth structure
20	contamination and pollution
18	climate change
17	aerial photography
17	water quality
15	acid deposition
15	habitat alteration
15	global warming
15	hurricanes
15	precipitation (atmospheric)
14	map coordinate systems
14	ecosystems
14	tsunamis
14	desert ecosystems
14	grassland ecosystems
13	invasive species
13	health and disease
13	floods
13	geochemistry
12	rocks and deposits
12	information system design and development
12	geologic history
11	earthquake probabilities
11	hazards
11	sedimentation
11	human impacts
11	volcanology
10	surface water (non-marine)
10	landslides

Science Topics term usage Thursday, 2006-10-05