Science Topics term usage 2006-06-06

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.)

170	volcanoes
156	earthquakes
53	geographic information systems (GIS)
40	real-time monitoring and reporting
33	earth structure
31	earthquake occurrences
30	streamflow
30	energy resources
28	tectonic processes
27	coastal zones
26	climate change
25	aerial photography
25	acid deposition
24	oil resources
23	geologic structure
21	remote sensing
21	water quality
20	tsunamis
20	ground water
19	contamination and pollution
19	storms
19	maps and atlases
19	mineral resources
18	droughts
18	surface water (non-marine)
18	ocean characteristics
18	erosion
17	magnetic field (earth)
16	wildlife
16	floods
16	ecosystems
15	plants (organisms)
15	glaciation
15	ground-water flow
15	animals
15	water properties
14	water resources
13	river systems
13	rocks and deposits
13	endangered species

Science Topics term usage Tuesday, 2006-06-06