Science Topics term usage 2006-03-18

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.)

73	earthquakes
45	volcanoes
45	geographic information systems (GIS)
25	real-time monitoring and reporting
23	geologic history
21	aerial photography
19	floods
18	contamination and pollution
17	earth structure
17	earthquake occurrences
15	climate change
15	streamflow
14	water quality
14	ground water
14	erosion
13	topography
13	geologic structure
13	rocks and deposits
13	magnetic field (earth)
12	volcanic activity
12	tectonic processes
12	maps and atlases
12	acid deposition
11	mineral resources
11	water supply and demand
11	endangered species
11	landslides
11	animals
10	ecosystems
10	ground-water flow
10	ecological processes
10	meteorites
9	geology
9	surface water (non-marine)
9	coastal zones
9	water properties
8	water resources
8	earthquake probabilities
8	geochemistry
8	health and disease

Science Topics term usage Saturday, 2006-03-18