Science Topics term usage 2006-05-09

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.)

185	earthquakes
177	volcanoes
71	geographic information systems (GIS)
45	earthquake occurrences
42	tectonic processes
42	tsunamis
41	animals
38	floods
36	earth structure
34	geologic history
33	planetary bodies
33	energy resources
32	mineral resources
30	surface water (non-marine)
28	water quality
27	land use and land cover
26	storms
26	acid deposition
24	climate change
22	land surface characteristics
22	landslides
21	maps and atlases
20	aerial photography
20	ecosystems
20	erosion
20	streamflow
19	oil resources
18	human impacts
18	nonvascular plants
18	real-time monitoring and reporting
17	ground water
17	meteorites
17	earthquake probabilities
16	global change
16	wildlife
16	remote sensing
16	precipitation (atmospheric)
16	ground-water flow
16	contamination and pollution
15	geochemistry

Science Topics term usage Tuesday, 2006-05-09