Science Topics term usage 2006-05-07

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.)

856	volcanoes
101	earthquakes
44	geographic information systems (GIS)
35	floods
35	California
34	volcanic features
25	San Francisco Bay
23	volcanic activity
22	earth structure
22	mineral resources
22	earthquake occurrences
22	tectonic processes
21	oil resources
21	animals
21	energy resources
19	ground water
18	real-time monitoring and reporting
16	earthquake probabilities
16	nonvascular plants
16	geomorphology
15	landslides
14	aerial photography
14	geologic history
14	natural resource extraction
13	rocks and deposits
12	hazards
12	climate change
11	droughts
11	tsunamis
11	human impacts
11	streamflow
10	water quality
10	acid deposition
10	land use and land cover
10	erosion
9	organisms
9	plants (organisms)
9	health and disease
9	natural gas resources
8	environmental health (human)

Science Topics term usage Sunday, 2006-05-07