Science Topics term usage 2006-04-24

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.)

240	earthquakes
220	volcanoes
80	geographic information systems (GIS)
44	mineral resources
41	ground water
41	streamflow
37	earthquake occurrences
36	tectonic processes
33	oil resources
33	geology
32	energy resources
31	surface water (non-marine)
29	animals
28	geologic history
27	floods
27	contamination and pollution
26	maps and atlases
25	mining hazards
24	ground-water flow
24	invasive species
23	rocks and deposits
23	landslides
23	earth structure
23	fires
22	water supply and demand
22	hazards
21	droughts
21	health and disease
21	climate change
21	water quality
20	geologic structure
19	tsunamis
19	nonvascular plants
19	real-time monitoring and reporting
18	coastal zones
17	geochemistry
16	magnetic field (earth)
15	water resources
15	volcanic activity
15	birds

Science Topics term usage Monday, 2006-04-24