Science Topics term usage 2005-11-16

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.)

635	earthquakes
395	volcanoes
183	geographic information systems (GIS)
115	earth structure
114	tectonic processes
96	earthquake occurrences
92	surface water (non-marine)
89	mineral resources
88	ground water
87	maps and atlases
87	energy resources
80	rocks and deposits
80	contamination and pollution
73	natural resource management
72	hazards
69	geologic history
66	coastal zones
65	human impacts
64	streamflow
61	floods
59	tsunamis
55	geologic structure
54	volcanic activity
54	animals
54	water resources
52	landslides
50	water quality
50	ground-water flow
48	earthquake probabilities
46	aerial photography
46	climate change
44	oil resources
43	seismology
41	geologic processes
40	geology
39	ecosystems
38	water properties
37	ocean characteristics
36	health and disease
36	cartography

Science Topics term usage Wednesday, 2005-11-16