Science Topics term usage 2005-09-27

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.)

203	earthquakes
123	volcanoes
76	earth structure
73	earthquake occurrences
67	geographic information systems (GIS)
49	tectonic processes
48	maps and atlases
40	animals
40	mineral resources
34	tsunamis
34	rocks and deposits
32	water quality
30	floods
29	energy resources
28	storms
28	contamination and pollution
28	acid deposition
28	natural resources
26	hurricanes
26	surface water (non-marine)
25	aerial photography
25	geologic history
24	ground water
24	streamflow
24	landslides
24	ecological processes
23	precipitation (atmospheric)
22	earth sciences
22	hazards
21	coastal zones
20	magnetic field (earth)
20	geologic structure
20	sciences
19	human impacts
19	climate change
19	igneous rocks
19	ecology
19	aquatic ecosystems
18	hydrology
18	ocean characteristics

Science Topics term usage Tuesday, 2005-09-27