Science Topics term usage 2005-09-23

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.)

311	earthquakes
89	earthquake occurrences
70	volcanoes
61	geographic information systems (GIS)
48	maps and atlases
36	real-time monitoring and reporting
34	energy resources
33	storms
32	tsunamis
32	hazards
31	hurricanes
31	contamination and pollution
31	floods
30	mineral resources
30	coastal zones
28	aerial photography
25	tectonic processes
25	streamflow
25	earthquake probabilities
23	climate change
21	water quality
21	topography
20	seismology
20	ecology
19	erosion
19	geologic structure
18	rocks and deposits
18	landslides
17	earth structure
17	oil resources
17	ocean characteristics
15	surface water (non-marine)
15	geologic history
14	land surface characteristics
14	geochemistry
14	ground water
14	map coordinate systems
13	water properties
13	animals
13	ocean temperature

Science Topics term usage Friday, 2005-09-23