Science Topics term usage 2006-04-12

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.)

181	earthquakes
129	volcanoes
76	geographic information systems (GIS)
46	earthquake occurrences
37	energy resources
33	mineral resources
33	floods
33	water resources
28	ground water
27	streamflow
27	climate change
27	tectonic processes
27	landslides
26	water quality
26	maps and atlases
24	contamination and pollution
22	geologic history
22	earth structure
22	surface water (non-marine)
21	rocks and deposits
21	magnetic field (earth)
21	droughts
20	human impacts
20	tsunamis
19	erosion
19	real-time monitoring and reporting
18	ground-water flow
18	remote sensing
17	habitats
17	health and disease
17	aerial photography
16	invasive species
16	cartography
16	geologic structure
15	wildlife
14	animals
14	earthquake probabilities
13	fishery resources
13	water properties
13	sediment transport

Science Topics term usage Wednesday, 2006-04-12