Science Topics term usage 2007-08-14

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.)

94	earthquakes
85	geographic information systems (GIS)
54	human impacts
51	hazards
43	fires
37	geophysics
35	biological and physical processes
31	volcanoes
30	earthquake occurrences
30	earth characteristics
28	geologic structure
27	geologic history
26	health and disease
25	water quality
25	hydrology
25	acid deposition
25	earth structure
24	risk assessment
24	organisms
24	contamination and pollution
22	water properties
22	biogeography
22	ecological processes
22	floods
21	rocks and deposits
21	terrestrial ecosystems
20	water supply and demand
20	natural resource management
19	maps and atlases
19	USGS facilities
18	algal blooms
18	computational methods
18	geography
18	earth sciences
18	earthquake probabilities
17	mantle (earth)
17	climate change
17	seismology
16	sea-floor characteristics
16	stream-gage measurement

Science Topics term usage Tuesday, 2007-08-14