Science Topics term usage 2006-10-20

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.)

102	earthquakes
88	volcanoes
74	volcanic eruption prediction
56	geographic information systems (GIS)
32	earthquake occurrences
30	animals
25	consumers (organisms)
23	real-time monitoring and reporting
20	ground water
20	earth structure
19	volcanic activity
18	tectonic processes
17	rocks and deposits
16	invasive species
15	tsunamis
15	climate change
15	outer core (earth)
14	streamflow
14	acid deposition
14	map coordinate systems
14	water quality
14	human impacts
14	coastal zones
14	desert ecosystems
13	energy resources
13	water supply and demand
12	erosion
12	stream-gage measurement
12	streams
12	surface water (non-marine)
12	landslides
12	contamination and pollution
11	land use and land cover
11	water use
10	topics
10	health and disease
9	maps and atlases
9	marine geology
9	ground-water flow
9	aerial photography

Science Topics term usage Friday, 2006-10-20