Science Topics term usage 2005-04-08

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.)

342	earthquakes
226	volcanoes
137	surface water (non-marine)
104	earthquake occurrences
100	geographic information systems (GIS)
88	streamflow
80	tectonic processes
54	tsunamis
48	ground water
48	earth structure
46	maps and atlases
45	mineral resources
42	water quality
40	hazards
38	water resources
37	geologic history
36	real-time monitoring and reporting
36	energy resources
33	rocks and deposits
32	snow and ice cover
30	earthquake probabilities
30	animals
29	climate change
29	floods
28	stream discharge
28	geologic structure
27	seismology
26	storms
25	geochemistry
24	water supply and demand
24	aerial photography
24	sedimentation
24	glaciation
23	land surface characteristics
23	ground-water flow
23	geography
23	ground-water quality
22	endangered species
22	habitats
21	natural resource extraction

Science Topics term usage Friday, 2005-04-08