Science Topics term usage 2006-01-17

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.)

241	volcanoes
200	earthquakes
66	geographic information systems (GIS)
50	mineral resources
48	earthquake occurrences
39	tectonic processes
36	rocks and deposits
34	tsunamis
33	earth structure
32	ground water
31	aerial photography
30	energy resources
30	streamflow
27	geologic structure
27	water quality
27	maps and atlases
26	floods
25	landslides
24	surface water (non-marine)
21	real-time monitoring and reporting
20	remote sensing
20	hazards
20	geologic history
19	marine geology
19	ocean characteristics
18	human impacts
17	earthquake probabilities
17	animals
17	ecosystems
16	water supply and demand
16	erosion
16	aquatic ecosystems
15	acid deposition
14	water chemistry
14	hydrology
14	water use
14	climate change
13	ground-water flow
13	water resources
13	oil resources

Science Topics term usage Tuesday, 2006-01-17