Science Topics term usage 2006-01-13

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.)

188	volcanoes
167	earthquakes
79	geographic information systems (GIS)
46	earthquake occurrences
43	rocks and deposits
41	animals
40	tectonic processes
37	tsunamis
37	mineral resources
32	energy resources
32	maps and atlases
31	earth structure
29	geography
28	remote sensing
28	contamination and pollution
26	surface water (non-marine)
26	geologic history
25	volcanic activity
24	aerial photography
24	water quality
24	acid deposition
24	ocean characteristics
23	geologic structure
21	volcanology
21	snow and ice cover
20	streamflow
19	water resources
18	biogeography
18	health and disease
18	human impacts
17	water supply and demand
17	real-time monitoring and reporting
17	planetary bodies
17	water use
16	geochemistry
16	stratigraphy
15	floods
15	ground water
15	datasets
15	topics

Science Topics term usage Friday, 2006-01-13