Science Topics term usage 2005-11-01

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.)

214	earthquakes
130	volcanoes
68	geographic information systems (GIS)
65	earthquake occurrences
56	tectonic processes
53	maps and atlases
47	earth structure
37	surface water (non-marine)
36	climate change
35	energy resources
34	geologic history
32	mineral resources
30	water quality
30	tsunamis
29	streamflow
27	seismology
25	rocks and deposits
25	animals
25	ground water
25	contamination and pollution
25	aerial photography
24	geologic structure
23	remote sensing
22	sedimentation
21	landslides
21	precipitation (atmospheric)
21	health and disease
20	hazards
20	invasive species
19	droughts
18	coastal zones
18	floods
18	volcanic activity
18	water resources
17	ground-water flow
17	nonvascular plants
17	human impacts
17	ocean sciences
17	ecology
16	magnetic field (earth)

Science Topics term usage Tuesday, 2005-11-01