Science Topics term usage 2007-09-13

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.)

144	earthquakes
119	geographic information systems (GIS)
106	streamflow
97	volcanoes
59	organism groupings (non-taxonomic)
56	earthquake occurrences
55	real-time monitoring and reporting
37	earth structure
36	tsunamis
35	tectonic processes
28	hurricanes
24	maps and atlases
24	animals
23	water resources
23	acid deposition
21	agricultural water use
20	mineral resources
20	contamination and pollution
19	aquatic ecosystems
19	water supply and demand
19	endangered species
19	life sciences
18	water quality
17	rocks and deposits
17	ground water
16	earthquake probabilities
16	geospatial datasets
15	climate change
14	erosion
13	scientific careers
13	health and disease
13	energy resources
13	geologic history
12	ecology
12	topography
12	human impacts
12	coastal zones
12	surface water (non-marine)
12	global change
12	USGS Quadrangles

Science Topics term usage Thursday, 2007-09-13