Science Topics term usage 2005-05-25

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.)

180	volcanoes
177	earthquakes
100	geographic information systems (GIS)
58	surface water (non-marine)
47	ground water
46	energy resources
41	earthquake occurrences
40	tectonic processes
40	mineral resources
33	maps and atlases
33	streamflow
32	tsunamis
28	aerial photography
27	earth structure
26	landslides
25	animals
23	water resources
23	hazards
21	ground-water flow
21	volcanic activity
20	oil resources
19	remote sensing
19	topography
19	geologic structure
19	geologic history
19	sea-floor characteristics
19	meteorites
18	floods
18	water quality
18	geography
17	wildlife
16	rocks and deposits
16	land surface characteristics
16	planetary bodies
15	climate change
15	stream discharge
14	natural resource exploration
14	earthquake probabilities
14	storms
14	precipitation (atmospheric)

Science Topics term usage Wednesday, 2005-05-25