Science Topics term usage 2005-04-22

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.)

245	earthquakes
141	volcanoes
98	geographic information systems (GIS)
84	earthquake occurrences
70	land subsidence
69	maps and atlases
64	surface water (non-marine)
55	erosion
52	tectonic processes
47	ground water
42	tsunamis
38	energy resources
33	mineral resources
33	streamflow
31	geochemistry
28	seismology
26	earth structure
25	rocks and deposits
24	geologic history
23	hazards
22	aerial photography
22	oil resources
22	water quality
21	landslides
21	human impacts
20	climate change
20	water resources
20	real-time monitoring and reporting
19	topics
18	earthquake probabilities
17	water properties
16	mining hazards
16	geography
16	animals
16	land surface characteristics
15	sedimentation
15	ground-water flow
15	invasive species
15	fires
15	stream-gage measurement

Science Topics term usage Friday, 2005-04-22