Science Topics term usage 2005-11-17

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.)

237	earthquakes
166	volcanoes
70	geographic information systems (GIS)
58	tectonic processes
53	earth structure
47	energy resources
45	surface water (non-marine)
44	ground water
39	geologic structure
35	maps and atlases
35	earthquake occurrences
33	climate change
33	water quality
33	tsunamis
33	mineral resources
32	earthquake probabilities
32	ground-water flow
31	water properties
29	storms
28	landslides
27	aerial photography
27	contamination and pollution
25	rocks and deposits
25	floods
25	streamflow
22	hazards
22	water resources
21	animals
20	geologic history
20	invasive species
19	ocean characteristics
18	endangered species
18	erosion
18	meteorites
18	land surface characteristics
15	geochemistry
15	ecology
15	volcanic activity
15	real-time monitoring and reporting
14	droughts

Science Topics term usage Thursday, 2005-11-17