Science Topics term usage 2007-08-17

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.)

170	earthquakes
106	geographic information systems (GIS)
77	ocean temperature
71	earthquake occurrences
68	roadways
68	real-time monitoring and reporting
64	volcanoes
49	stream-gage measurement
47	vertebrates
44	USGS information services
43	maps and atlases
42	field sampling
42	surface water (non-marine)
42	tectonic processes
42	geography
42	rocks and deposits
41	invertebrates
41	birds
40	cartography
40	geologic structure
40	ground water
40	contamination and pollution
39	seismology
38	energy resources
38	remote sensing
38	human impacts
38	geologic history
38	field inventory and monitoring
38	field methods
37	geologic processes
36	USGS user services
36	natural resource management
36	volcanic activity
36	geospatial datasets
36	reports
36	ecological processes
36	water quality
36	aerial photography
35	geochemistry
35	biogeography

Science Topics term usage Friday, 2007-08-17