Science Topics term usage 2006-12-17

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.)

63	geographic information systems (GIS)
40	earthquakes
32	animals
30	volcanoes
22	crustaceans
16	rocks and deposits
15	cartography
15	tectonic processes
13	vertebrates
13	earthquake occurrences
13	water chemistry
13	acid deposition
12	earth structure
12	sea-floor characteristics
12	mineral resources
12	magnetic field (earth)
11	hydrographic structures
11	floods
11	tsunamis
10	desert ecosystems
10	remote sensing
10	sediment transport
10	climate change
9	hydrology
9	maps and atlases
9	human impacts
8	streamflow
8	wildlife
8	water quality
8	ocean characteristics
8	landslides
8	contamination and pollution
8	oil resources
8	geography
8	ground-water flow
8	global change
7	impact cratering
7	meteorites
7	aerial photography
7	ground-water quality

Science Topics term usage Sunday, 2006-12-17