Science Topics term usage 2006-02-07

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.)

273	volcanoes
261	earthquakes
82	tectonic processes
59	earth structure
58	geographic information systems (GIS)
53	earthquake occurrences
40	cartography
36	mineral resources
31	tsunamis
28	seismology
28	oil resources
28	maps and atlases
27	real-time monitoring and reporting
27	energy resources
26	contamination and pollution
25	volcanic activity
23	droughts
23	water quality
22	climate change
22	aerial photography
21	ground water
21	sea-floor characteristics
21	earthquake probabilities
20	water resources
20	floods
20	erosion
19	planetary bodies
19	acid deposition
19	hazards
19	surface water (non-marine)
19	ocean characteristics
18	topography
18	core (earth)
17	landslides
17	geologic history
17	water properties
16	laboratory methods
16	ecological processes
15	endangered species
15	rocks and deposits

Science Topics term usage Tuesday, 2006-02-07