Science Topics term usage 2006-04-06

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.)

149	earthquakes
115	volcanoes
53	surface water (non-marine)
52	geographic information systems (GIS)
43	geologic history
38	energy resources
36	tectonic processes
29	earth structure
28	landslides
27	maps and atlases
27	mineral resources
26	tsunamis
25	animals
24	ground water
23	earthquake occurrences
21	rocks and deposits
20	erosion
20	climate change
20	remote sensing
19	floods
18	acid deposition
17	water resources
16	droughts
16	streamflow
16	contamination and pollution
15	storms
15	planetary bodies
15	aerial photography
15	invasive species
15	topography
15	ground-water flow
14	earthquake probabilities
14	health and disease
14	aquatic biology
14	global change
13	magnetic field (earth)
13	geochemistry
12	meteorites
12	human impacts
12	water quality

Science Topics term usage Thursday, 2006-04-06