Science Topics term usage 2006-12-01

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
86	volcanoes
59	geographic information systems (GIS)
48	earthquake occurrences
25	vertebrate paleontology
24	ocean temperature
24	acid deposition
20	tectonic processes
19	tsunamis
18	climate change
18	erosion
18	contamination and pollution
17	human impacts
16	animals
15	hurricanes
14	floods
14	rocks and deposits
14	oil resources
13	geologic history
13	water resources
13	land use and land cover
13	water quality
13	earth structure
13	magnetic field (earth)
12	ground water
12	streamflow
12	desert ecosystems
11	topography
11	wildlife
11	health and disease
10	energy resources
10	outer core (earth)
10	endangered species
9	water properties
9	nonvascular plants
9	remote sensing
9	coastal zones
9	droughts
8	glaciation
8	river systems

Science Topics term usage Friday, 2006-12-01