Science Topics term usage 2006-02-09

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.)

290	earthquakes
283	volcanoes
118	tectonic processes
74	geographic information systems (GIS)
57	geologic structure
56	earth structure
51	earthquake occurrences
46	ground water
43	geologic history
41	mineral resources
33	real-time monitoring and reporting
30	water quality
30	tsunamis
28	maps and atlases
27	energy resources
25	rocks and deposits
25	landslides
25	ecosystems
25	earthquake probabilities
24	coastal zones
23	surface water (non-marine)
22	planetary bodies
20	magnetic field (earth)
20	ground-water flow
19	animals
19	aerial photography
18	streamflow
18	biodiversity
18	health and disease
18	endangered species
18	GPS measurement
17	image collections
17	seismology
16	erosion
15	invasive species
15	climate change
14	topics
14	acid deposition
14	land surface characteristics
14	core (earth)

Science Topics term usage Thursday, 2006-02-09