Science Topics term usage 2006-09-13

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.)

134	earthquakes
117	volcanoes
78	geographic information systems (GIS)
42	earth structure
39	tectonic processes
34	DNA sequencing
33	tsunamis
30	health and disease
30	water supply and demand
29	streamflow
29	mineral resources
26	ground water
26	climate change
25	earthquake occurrences
25	storms
24	endangered species
22	rocks and deposits
22	hurricanes
22	animals
21	maps and atlases
20	acid deposition
20	global change
19	surface water (non-marine)
19	snow and ice cover
19	life sciences
19	mercury contamination
18	map coordinate systems
18	human impacts
17	contamination and pollution
17	cartography
17	marine geology
16	precipitation (atmospheric)
16	planetary bodies
15	land use and land cover
15	oil resources
15	meteorites
14	water quality
14	topography
14	scientific careers
14	geologic structure

Science Topics term usage Wednesday, 2006-09-13