Science Topics term usage 2005-09-21

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
164	volcanoes
99	geographic information systems (GIS)
51	surface water (non-marine)
51	tectonic processes
46	energy resources
41	earth structure
38	earthquake occurrences
36	streamflow
34	climate change
34	hurricanes
32	ground water
31	floods
31	tsunamis
29	aerial photography
29	maps and atlases
28	storms
27	contamination and pollution
26	geologic history
25	mineral resources
25	animals
23	geologic structure
23	human impacts
23	hazards
22	sea-floor characteristics
21	planetary bodies
21	rocks and deposits
20	volcanic activity
19	image collections
19	geography
19	coastal zones
19	wildlife
18	ocean temperature
18	water quality
18	remote sensing
18	real-time monitoring and reporting
17	ocean characteristics
17	water properties
16	igneous rocks
15	land use and land cover

Science Topics term usage Wednesday, 2005-09-21