Science Topics term usage 2005-04-13

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.)

497	earthquakes
423	volcanoes
174	ground water
127	surface water (non-marine)
116	tectonic processes
114	geographic information systems (GIS)
113	earthquake occurrences
58	ground-water flow
55	water quality
55	real-time monitoring and reporting
53	streamflow
49	tsunamis
48	earth structure
48	rocks and deposits
48	maps and atlases
41	energy resources
39	mineral resources
37	aerial photography
32	landslides
28	geologic structure
28	health and disease
27	water resources
27	floods
27	geologic history
26	erosion
26	remote sensing
25	water use
25	human impacts
24	meteorites
23	volcanic activity
23	hazards
23	droughts
22	glaciation
22	biogeography
22	hydrology
21	acid deposition
20	igneous rocks
20	snow and ice cover
19	earthquake probabilities
19	animals

Science Topics term usage Wednesday, 2005-04-13