Science Topics term usage 2005-10-03

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.)

174	earthquakes
166	volcanoes
72	tectonic processes
66	geographic information systems (GIS)
65	earth structure
55	energy resources
54	maps and atlases
53	earthquake occurrences
37	geologic structure
35	rocks and deposits
33	water quality
32	wildlife
31	magnetic field (earth)
31	core (earth)
30	human impacts
28	surface water (non-marine)
28	oil resources
27	ground water
27	animals
27	natural resources
26	mineral resources
25	crust (earth)
25	hazards
24	streamflow
22	igneous rocks
20	tsunamis
20	aquatic ecosystems
20	aerial photography
19	water supply and demand
19	water properties
19	natural gas resources
19	climate change
19	coastal zones
19	storms
19	nonvascular plants
19	ground-water flow
19	cartography
19	geography
18	acid deposition
18	health and disease

Science Topics term usage Monday, 2005-10-03