Science Topics term usage 2006-03-22

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.)

220	earthquakes
137	volcanoes
79	earthquake occurrences
66	geographic information systems (GIS)
51	energy resources
43	geologic history
35	mineral resources
32	real-time monitoring and reporting
30	magnetic field (earth)
29	tectonic processes
28	maps and atlases
28	ecosystems
26	rocks and deposits
26	climate change
26	earth structure
23	streamflow
22	water use
21	erosion
20	surface water (non-marine)
20	water resources
20	cartography
20	ground water
19	water supply and demand
19	tsunamis
19	animals
18	health and disease
18	oil resources
16	landslides
16	floods
16	earthquake probabilities
16	remote sensing
15	human impacts
15	ocean characteristics
14	ground-water flow
14	aerial photography
14	contamination and pollution
13	planetary bodies
13	geologic structure
13	sea-floor characteristics
13	water quality

Science Topics term usage Wednesday, 2006-03-22