Science Topics term usage 2005-10-04

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.)

155	earthquakes
127	volcanoes
78	geographic information systems (GIS)
70	tectonic processes
61	earth structure
41	earthquake occurrences
39	energy resources
36	maps and atlases
35	mineral resources
34	surface water (non-marine)
30	ground water
29	water quality
28	coastal zones
27	animals
27	geologic history
26	geologic structure
24	climate change
23	streamflow
22	earth characteristics
22	oil resources
22	seismology
21	rocks and deposits
20	landslides
20	human impacts
20	remote sensing
19	aerial photography
19	ground-water flow
19	crust (earth)
19	ecosystems
18	ecological processes
18	real-time monitoring and reporting
17	ocean characteristics
17	health and disease
17	land surface characteristics
16	vertebrates
16	acid deposition
16	plants (organisms)
16	topography
16	erosion
16	geography

Science Topics term usage Tuesday, 2005-10-04