Science Topics term usage 2006-03-31

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.)

267	earthquakes
102	volcanoes
70	geographic information systems (GIS)
67	earthquake occurrences
48	real-time monitoring and reporting
39	animals
37	tectonic processes
33	energy resources
29	earth structure
28	ground water
27	invasive species
25	streamflow
24	climate change
22	earthquake probabilities
21	surface water (non-marine)
20	acid deposition
20	landslides
19	seismology
19	geologic structure
18	ecosystems
18	endangered species
17	geologic history
17	droughts
17	mineral resources
16	planetary bodies
16	vertebrates
16	maps and atlases
16	geospatial datasets
15	hazards
15	tsunamis
15	geography
15	gravitational field (earth)
15	ground-water flow
14	water quality
14	geochemistry
14	topography
13	snow and ice cover
13	meteorites
13	water properties
13	aerial photography

Science Topics term usage Friday, 2006-03-31