Science Topics term usage 2006-09-12

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.)

149	earthquakes
71	mercury contamination
69	geographic information systems (GIS)
67	volcanoes
38	tectonic processes
29	earthquake occurrences
26	earth structure
24	tsunamis
24	sedimentology
23	animals
22	energy resources
22	hurricanes
22	climate change
22	human impacts
21	wildlife
21	cartography
20	remote sensing
20	geologic history
19	acid deposition
19	stream-gage measurement
19	mineral resources
18	magnetic field (earth)
17	precipitation (atmospheric)
16	ground water
16	water quality
16	storms
16	water properties
15	rocks and deposits
15	maps and atlases
15	floods
15	surface water (non-marine)
14	geologic structure
14	mining hazards
14	droughts
13	tornadoes
13	marine biology
13	landslides
12	mammals
12	streamflow
12	contamination and pollution

Science Topics term usage Tuesday, 2006-09-12