Science Topics term usage 2006-09-25

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.)

94	earthquakes
70	volcanoes
63	geographic information systems (GIS)
42	bacteria
33	streamflow
32	tectonic processes
31	climate change
27	tsunamis
26	earth structure
23	earthquake occurrences
22	maps and atlases
19	water supply and demand
18	human impacts
18	ocean characteristics
18	water properties
18	mineral resources
17	aerial photography
17	planetary bodies
17	animals
16	ground water
16	invasive species
15	health and disease
15	water quality
15	plants (organisms)
15	sediment transport
14	mining hazards
14	precipitation (atmospheric)
13	acid deposition
13	rocks and deposits
13	cartography
13	magnetic field (earth)
13	endangered species
12	vegetation
12	erosion
12	gravitational field (earth)
12	glaciation
12	topics
11	land use and land cover
11	sea-floor characteristics
11	global change

Science Topics term usage Monday, 2006-09-25