Science Topics term usage 2005-06-30

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.)

163	earthquakes
84	geographic information systems (GIS)
78	volcanoes
39	surface water (non-marine)
39	earthquake occurrences
33	maps and atlases
27	tectonic processes
26	streamflow
22	mineral resources
22	water quality
21	earth structure
20	tsunamis
18	animals
17	geologic history
17	topography
17	energy resources
17	hazards
17	ground water
15	rocks and deposits
14	geologic structure
13	aerial photography
13	mathematical modeling
12	water resources
11	ocean characteristics
11	remote sensing
11	stream-gage measurement
11	impact cratering
11	natural resource exploration
11	seismology
10	oil resources
10	climate change
10	earthquake probabilities
10	contamination and pollution
10	coastal zones
10	ground-water flow
10	landslides
10	floods
10	sedimentary rocks
10	hydrology
9	invasive species

Science Topics term usage Thursday, 2005-06-30