Science Topics term usage 2005-10-11

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.)

382	earthquakes
134	volcanoes
130	earthquake occurrences
107	earth structure
96	tectonic processes
85	geographic information systems (GIS)
80	maps and atlases
56	crust (earth)
55	energy resources
50	ground water
47	real-time monitoring and reporting
39	earthquake probabilities
39	streamflow
37	mineral resources
33	volcanic activity
33	geologic structure
31	hydrology
31	landslides
31	snow and ice cover
31	core (earth)
30	water quality
28	floods
27	tsunamis
26	ground-water flow
26	animals
25	natural resources
25	mantle (earth)
25	hazards
25	surface water (non-marine)
25	rocks and deposits
24	inner core (earth)
23	geologic history
23	water properties
22	acid deposition
22	ecology
21	aerial photography
21	human impacts
21	oil resources
21	climate change
20	contamination and pollution

Science Topics term usage Tuesday, 2005-10-11