Science Topics term usage 2005-06-23

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.)

239	earthquakes
91	volcanoes
84	earthquake occurrences
71	geographic information systems (GIS)
37	greenhouse gases
33	maps and atlases
33	surface water (non-marine)
32	mineral resources
32	real-time monitoring and reporting
31	earth structure
27	streamflow
25	tectonic processes
24	earthquake probabilities
20	aerial photography
18	geologic structure
18	energy resources
17	ground water
15	tsunamis
14	sediment transport
13	hazards
13	planetary bodies
12	seismology
12	water quality
12	magnetic field (earth)
11	contamination and pollution
11	metallic ores
11	rocks and deposits
11	animals
10	ground-water flow
10	hydrology
10	water resources
10	oil resources
10	ecosystems
10	geologic history
9	fires
9	floods
9	stream-gage measurement
9	water use
8	human impacts
8	storms

Science Topics term usage Thursday, 2005-06-23