Science Topics term usage 2006-04-19

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.)

200	earthquakes
140	volcanoes
81	geographic information systems (GIS)
36	energy resources
35	mineral resources
35	tectonic processes
34	ground water
32	earthquake occurrences
31	ground-water flow
31	tsunamis
30	acid deposition
28	surface water (non-marine)
28	landslides
27	hazards
26	mining hazards
25	geologic history
23	climate change
23	floods
23	animals
23	geologic structure
22	streamflow
22	rocks and deposits
21	earth structure
21	health and disease
20	oil resources
20	precipitation (atmospheric)
19	water quality
19	wildlife
18	remote sensing
17	magnetic field (earth)
16	water resources
16	geochemistry
16	coastal zones
16	erosion
16	cartography
15	water supply and demand
15	mathematical modeling
15	real-time monitoring and reporting
14	biodiversity
13	maps and atlases

Science Topics term usage Wednesday, 2006-04-19