Science Topics term usage 2007-02-08

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.)

125	geographic information systems (GIS)
120	earthquakes
93	volcanoes
36	climate change
35	earth structure
32	tectonic processes
22	maps and atlases
21	earthquake occurrences
21	acid deposition
19	protists
19	streamflow
18	outer core (earth)
18	energy resources
16	map coordinate systems
16	ornithology
16	mineral resources
15	tsunamis
15	global change
15	health and disease
14	land use and land cover
14	erosion
14	landslides
14	global warming
13	endangered species
13	human impacts
13	floods
12	hurricanes
11	ground water
11	seismology
11	magnetic field (earth)
10	sedimentation
10	water resources
10	water supply and demand
10	geologic history
10	marine geology
10	volcanic activity
9	core (earth)
9	biodiversity
9	water quality
9	animals

Science Topics term usage Thursday, 2007-02-08