Science Topics term usage 2006-08-22

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.)

60	earthquakes
59	hydrographic structures
57	geographic information systems (GIS)
51	volcanoes
50	volcanic features
32	invasive species
27	scientific careers
24	Earth
23	earthquake occurrences
21	mineral resources
21	earth structure
18	energy resources
18	tsunamis
17	land use and land cover
17	invertebrates
16	tectonic processes
16	animals
16	ground-water flow
15	surface water (non-marine)
14	mathematical modeling
13	floods
11	ecosystems
11	plants (organisms)
11	planetary bodies
11	life sciences
11	animal tracking
11	cartography
10	streamflow
10	contamination and pollution
10	ground water
10	geologic structure
10	storms
10	acid deposition
10	hazards
10	climate change
9	wildlife
9	gaging stations
9	rocks and deposits
9	hurricanes
9	maps and atlases

Science Topics term usage Tuesday, 2006-08-22