Science Topics term usage 2006-04-04

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.)

189	earthquakes
165	volcanoes
114	maps and atlases
96	geographic information systems (GIS)
57	real-time monitoring and reporting
47	earthquake occurrences
42	aerial photography
41	energy resources
30	earth structure
30	mineral resources
29	tectonic processes
28	animals
26	surface water (non-marine)
25	tsunamis
24	rocks and deposits
24	ground water
23	geologic structure
23	cartography
22	landslides
21	ground-water flow
20	climate change
20	streamflow
20	water quality
20	acid deposition
19	oil resources
19	geologic history
18	health and disease
18	contamination and pollution
17	remote sensing
17	plants (organisms)
17	storms
15	geospatial analysis
15	invasive species
15	floods
15	water resources
15	geochemistry
14	topography
13	hazards
13	coastal zones
13	erosion

Science Topics term usage Tuesday, 2006-04-04