Science Topics term usage 2007-01-04

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.)

121	earthquakes
111	volcanoes
104	geographic information systems (GIS)
59	alluvial fans
41	earthquake occurrences
29	erosion
26	seismic networking
21	geospatial datasets
20	geology
19	earth structure
19	acid deposition
18	topics
17	animals
16	geologic history
16	tsunamis
16	contamination and pollution
16	ground water
15	tectonic processes
15	global warming
14	invasive species
14	seismology
14	rocks and deposits
13	endangered species
13	magnetic field (earth)
13	floods
13	human impacts
12	climate change
12	streamflow
12	global change
12	map coordinate systems
12	geologic structure
11	maps and atlases
11	industrial pollution
11	ground-water flow
11	mantle (earth)
11	fires
11	mineral resources
10	sediment transport
10	zoology
10	precipitation (atmospheric)

Science Topics term usage Thursday, 2007-01-04