Science Topics term usage 2006-05-23

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.)

169	earthquakes
145	volcanoes
77	geographic information systems (GIS)
49	tectonic processes
48	animals
41	earthquake occurrences
30	real-time monitoring and reporting
27	surface water (non-marine)
23	endangered species
23	ground water
22	energy resources
21	tsunamis
21	earth structure
20	volcanic activity
20	geologic history
19	climate change
18	rocks and deposits
18	streamflow
18	floods
17	oil resources
17	mineral resources
17	health and disease
16	maps and atlases
15	earthquake probabilities
15	magnetic field (earth)
15	land surface characteristics
15	meteorites
14	planetary bodies
14	water supply and demand
14	contamination and pollution
14	water quality
13	precipitation (atmospheric)
13	natural resources
13	human impacts
13	erosion
13	topics
12	storms
12	wildlife
12	hydrology
12	mining hazards

Science Topics term usage Tuesday, 2006-05-23