Science Topics term usage 2006-06-13

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.)

104	earthquakes
76	volcanoes
74	geographic information systems (GIS)
34	maps and atlases
32	tectonic processes
25	real-time monitoring and reporting
24	surface water (non-marine)
24	earth structure
23	streamflow
21	mineral resources
20	ecosystems
20	earthquake occurrences
19	ground water
19	animals
17	contamination and pollution
17	aerial photography
16	geography
16	geologic structure
16	energy resources
15	water quality
14	rocks and deposits
14	acid deposition
14	map coordinate systems
14	planetary bodies
13	erosion
13	water supply and demand
13	droughts
12	seismology
12	water resources
12	geologic history
12	floods
12	ocean characteristics
12	ground-water flow
12	hazards
11	landslides
10	GPS measurement
10	biodiversity
10	land surface characteristics
9	endangered species
9	human impacts

Science Topics term usage Tuesday, 2006-06-13