Science Topics term usage 2007-01-22

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.)

136	geographic information systems (GIS)
98	earthquakes
90	volcanoes
69	wildlife biology
32	earthquake occurrences
30	earth structure
28	energy resources
25	streamflow
25	acid deposition
23	tectonic processes
23	tsunamis
22	ground water
22	rocks and deposits
22	wildlife
21	erosion
20	geologic structure
20	animal and plant census
19	water quality
19	human impacts
19	climate change
18	global warming
17	hurricanes
17	topography
17	maps and atlases
17	animals
16	sediment transport
16	land use and land cover
16	floods
16	global change
15	water resources
15	endangered species
15	mineral resources
15	contamination and pollution
14	map coordinate systems
14	surface water (non-marine)
13	industrial pollution
13	precipitation (atmospheric)
13	animal tracking
13	oil resources
13	hazards

Science Topics term usage Monday, 2007-01-22