Science Topics term usage 2005-10-26

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.)

240	earthquakes
171	volcanoes
108	geographic information systems (GIS)
67	tectonic processes
63	earthquake occurrences
53	energy resources
44	earth structure
44	maps and atlases
43	surface water (non-marine)
40	mineral resources
39	human impacts
35	floods
33	contamination and pollution
32	ocean characteristics
31	streamflow
31	precipitation (atmospheric)
29	aerial photography
28	geologic structure
28	acid deposition
28	rocks and deposits
27	marine geology
27	geologic history
26	ground-water flow
26	animals
25	storms
24	water quality
23	climate change
23	landslides
23	hazards
23	water resources
22	coastal zones
22	biogeography
21	sea-floor characteristics
21	ecosystems
21	remote sensing
21	nonvascular plants
20	water use
20	geochemistry
20	tsunamis
19	planetary bodies

Science Topics term usage Wednesday, 2005-10-26