Science Topics term usage 2006-09-23

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.)

37	earthquakes
32	bacteria
31	geographic information systems (GIS)
30	volcanoes
22	water quality
19	earth structure
16	maps and atlases
15	earthquake occurrences
14	ground-water flow
14	energy resources
13	tsunamis
12	animals
11	land surface characteristics
11	streamflow
11	cartography
11	ground water
11	floods
11	wildlife
10	planetary bodies
10	contamination and pollution
10	plants (organisms)
10	surface water (non-marine)
10	ocean characteristics
10	geologic history
10	global change
10	climate change
9	water supply and demand
9	acid deposition
9	human impacts
9	mineral resources
9	meteorites
9	ecosystems
8	precipitation (atmospheric)
8	ocean processes
8	water properties
7	fires
7	invasive species
7	sea-floor characteristics
7	mathematical modeling
7	water use

Science Topics term usage Saturday, 2006-09-23