Science Topics term usage 2007-11-05

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.)

299	volcanic activity
165	earthquake probabilities
106	earthquakes
69	geographic information systems (GIS)
56	volcanoes
34	tectonic processes
32	earthquake occurrences
29	contamination and pollution
26	rocks and deposits
25	earth structure
24	aquatic ecosystems
24	mineral resources
23	volcanic eruption prediction
23	volcanology
22	acid deposition
22	real-time monitoring and reporting
21	energy resources
20	desert ecosystems
20	land use and land cover
20	ground water
18	human impacts
18	climate change
18	topography
17	hazards
16	hydrology
16	water quality
16	animals
16	maps and atlases
16	floods
15	ground-water flow
15	natural resources
14	biological and physical processes
14	endangered species
14	cartography
14	remote sensing
14	geologic structure
14	marine geology
13	water chemistry
13	streamflow
13	biogeography

Science Topics term usage Monday, 2007-11-05