Science Topics term usage 2006-02-13

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.)

159	earthquakes
130	volcanoes
61	geographic information systems (GIS)
51	animals
41	tectonic processes
37	earthquake occurrences
35	earth structure
34	energy resources
32	mineral resources
28	contamination and pollution
24	acid deposition
22	streamflow
21	volcanic activity
20	water quality
19	rocks and deposits
19	floods
19	seismology
19	ground water
19	water properties
18	oil resources
18	endangered species
17	tsunamis
17	water supply and demand
16	surface water (non-marine)
16	coastal zones
16	magnetic field (earth)
16	hazards
16	mathematical modeling
15	geologic history
15	landslides
15	meteorites
15	health and disease
15	erosion
15	precipitation (atmospheric)
15	coalbed methane resources
15	natural gas resources
15	remote sensing
14	aerial photography
13	ground-water flow
13	river systems

Science Topics term usage Monday, 2006-02-13