Science Topics term usage 2005-04-11

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.)

494	earthquakes
378	volcanoes
135	earthquake occurrences
83	geographic information systems (GIS)
69	surface water (non-marine)
69	tectonic processes
65	maps and atlases
59	ground water
54	water quality
53	streamflow
51	tsunamis
51	earth structure
49	energy resources
40	real-time monitoring and reporting
35	mineral resources
35	hazards
33	geologic structure
32	geologic history
31	landslides
31	climate change
31	water resources
30	ground-water flow
29	rocks and deposits
29	seismology
28	magnetic field (earth)
27	animals
26	wildlife
24	glaciation
24	earthquake probabilities
23	oil resources
22	precipitation (atmospheric)
21	aerial photography
21	erosion
21	coastal zones
20	volcanic activity
18	water use
18	floods
17	stratigraphy
17	hydrology
17	land surface characteristics

Science Topics term usage Monday, 2005-04-11