Science Topics term usage 2005-04-19

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.)

297	earthquakes
224	volcanoes
105	geographic information systems (GIS)
99	earthquake occurrences
87	tectonic processes
61	surface water (non-marine)
60	mineral resources
60	ground water
53	tsunamis
52	streamflow
47	water quality
43	energy resources
42	erosion
40	earth structure
40	hazards
39	maps and atlases
36	real-time monitoring and reporting
34	climate change
33	landslides
33	seismology
33	rocks and deposits
31	ground-water flow
31	animals
31	aerial photography
30	water resources
29	remote sensing
28	geologic history
28	magnetic field (earth)
26	human impacts
26	floods
26	oil resources
25	droughts
25	meteorites
24	stream discharge
24	precipitation (atmospheric)
24	cartography
23	coastal zones
23	sedimentation
23	geophysics
23	invasive species

Science Topics term usage Tuesday, 2005-04-19