Science Topics term usage 2006-01-27

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.)

246	earthquakes
113	volcanoes
86	earthquake occurrences
68	real-time monitoring and reporting
47	geographic information systems (GIS)
35	tectonic processes
29	tsunamis
28	water quality
28	geologic history
27	geochemistry
26	rocks and deposits
25	earth structure
25	surface water (non-marine)
25	volcanology
24	mineral resources
22	maps and atlases
20	streamflow
20	ground water
20	aerial photography
19	acid deposition
19	energy resources
18	animals
18	floods
17	rivers
16	erosion
16	aquatic ecosystems
16	landslides
15	human impacts
14	planetary bodies
14	geologic structure
13	natural gas resources
13	water chemistry
13	climate change
13	remote sensing
13	seismology
12	hydrology
12	water supply and demand
12	geologic processes
12	endangered species
12	stream-gage measurement

Science Topics term usage Friday, 2006-01-27