Science Topics term usage 2006-01-25

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.)

205	earthquakes
176	volcanoes
82	geographic information systems (GIS)
70	volcanology
51	geologic history
46	earthquake occurrences
40	mineral resources
33	maps and atlases
32	geologic structure
31	energy resources
30	tectonic processes
30	streamflow
28	surface water (non-marine)
27	aerial photography
25	volcanic activity
25	tsunamis
24	contamination and pollution
23	water quality
22	ocean characteristics
22	landslides
22	animals
21	water properties
21	ground water
20	hazards
19	climate change
19	geochemistry
19	plant and animal tagging
17	ground-water flow
17	floods
17	rocks and deposits
17	earth sciences
16	water supply and demand
16	earth structure
15	erosion
15	remote sensing
15	acid deposition
15	ecosystems
15	real-time monitoring and reporting
14	planetary bodies
14	wildlife

Science Topics term usage Wednesday, 2006-01-25