Science Topics term usage 2006-02-01

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.)

250	earthquakes
236	volcanoes
70	earthquake occurrences
58	geographic information systems (GIS)
44	earth structure
43	mineral resources
41	tectonic processes
33	energy resources
32	seismology
28	erosion
27	ground water
26	floods
26	real-time monitoring and reporting
26	climate change
26	remote sensing
25	streamflow
25	animals
23	earthquake probabilities
23	hazards
23	health and disease
23	endangered species
22	landslides
21	surface water (non-marine)
21	acid deposition
20	tsunamis
20	precipitation (atmospheric)
20	wildlife
18	maps and atlases
16	rocks and deposits
16	geologic structure
16	geochemistry
16	coastal zones
16	geologic history
15	water quality
15	water resources
15	terrestrial ecosystems
15	magnetic field (earth)
15	ocean characteristics
15	snow and ice cover
15	sea-floor characteristics

Science Topics term usage Wednesday, 2006-02-01