Science Topics term usage 2006-05-31

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.)

193	earthquakes
129	volcanoes
80	geographic information systems (GIS)
36	real-time monitoring and reporting
35	ground water
34	tectonic processes
30	earth structure
29	earthquake occurrences
29	maps and atlases
28	mineral resources
26	animals
25	contamination and pollution
23	tsunamis
23	geologic history
23	surface water (non-marine)
22	streamflow
21	land use and land cover
20	aerial photography
18	energy resources
18	water quality
17	ground-water flow
16	endangered species
16	water resources
16	magnetic field (earth)
16	invasive species
15	topography
14	geologic structure
14	ecosystems
14	acid deposition
14	earthquake probabilities
14	volcanic activity
13	floods
13	wildlife
13	ocean characteristics
13	sedimentary rocks
11	water properties
11	hazards
11	sedimentation
11	erosion
10	biodiversity

Science Topics term usage Wednesday, 2006-05-31