Science Topics term usage 2007-07-16

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.)

148	earthquakes
84	geographic information systems (GIS)
63	earthquake occurrences
36	parasites
32	real-time monitoring and reporting
30	volcanoes
24	earth structure
18	geologic history
17	animals
16	rocks and deposits
15	energy resources
15	streamflow
14	aerial photography
14	ground water
13	contamination and pollution
13	floods
12	ground-water flow
11	acid deposition
11	tectonic processes
11	streams
11	cartography
11	natural gas resources
10	tsunamis
10	earthquake probabilities
10	water resources
10	mineral resources
9	climate change
9	geologic structure
9	topics
9	vegetation
9	maps and atlases
9	crust (earth)
9	topography
8	coal resources
8	hurricanes
8	droughts
8	hazards
8	aquatic ecosystems
8	human impacts
8	land use and land cover

Science Topics term usage Monday, 2007-07-16