Science Topics term usage 2006-01-20

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.)

177	earthquakes
117	volcanoes
59	geographic information systems (GIS)
41	earthquake occurrences
40	geologic structure
39	tectonic processes
34	maps and atlases
28	rocks and deposits
26	aerial photography
26	earth structure
26	sea-floor characteristics
25	mineral resources
23	topography
22	acid deposition
22	water supply and demand
21	real-time monitoring and reporting
21	streamflow
20	water resources
20	geospatial datasets
18	geologic history
18	remote sensing
17	water quality
16	ocean characteristics
16	volcanic activity
16	ground water
15	tsunamis
15	geolocation measurement
14	planetary bodies
14	seismology
14	erosion
13	floods
13	land surface characteristics
13	animals
12	landslides
12	geology
12	snow and ice cover
12	coastal zones
12	energy resources
12	plant and animal tagging
12	earth sciences

Science Topics term usage Friday, 2006-01-20