Science Topics term usage 2006-03-23

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
212	volcanoes
60	energy resources
59	earthquake occurrences
58	geographic information systems (GIS)
57	surface water (non-marine)
54	outer core (earth)
42	tsunamis
33	earth structure
32	rocks and deposits
28	storms
28	ground water
27	tectonic processes
27	mineral resources
26	animals
26	crust (earth)
25	human impacts
24	magnetic field (earth)
24	climate change
24	floods
24	erosion
23	real-time monitoring and reporting
22	volcanic activity
21	geologic history
21	oil resources
20	droughts
20	water quality
20	streamflow
19	hazards
17	mathematical modeling
17	earthquake probabilities
17	contamination and pollution
16	endangered species
16	landslides
16	lakes
16	health and disease
16	water resources
16	acid deposition
16	planetary bodies
15	geologic structure

Science Topics term usage Thursday, 2006-03-23