Science Topics term usage 2005-11-30

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.)

190	earthquakes
163	volcanoes
80	geographic information systems (GIS)
64	tectonic processes
57	earthquake occurrences
52	mineral resources
50	earth structure
48	energy resources
44	maps and atlases
40	surface water (non-marine)
39	ground water
38	landslides
38	streamflow
38	rocks and deposits
36	animals
36	human impacts
34	climate change
34	tsunamis
34	water quality
32	geologic structure
31	erosion
30	geologic history
29	ocean characteristics
28	meteorites
28	volcanology
28	aerial photography
27	health and disease
27	hazards
27	planetary bodies
26	ground-water flow
26	floods
26	real-time monitoring and reporting
25	geochemistry
25	endangered species
24	acid deposition
23	ecosystems
22	storms
21	sediment transport
21	ocean sciences
21	sea-floor characteristics

Science Topics term usage Wednesday, 2005-11-30