Science Topics term usage 2006-03-26

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.)

161	earthquakes
80	volcanoes
65	geographic information systems (GIS)
48	earthquake occurrences
32	earth structure
29	earthquake probabilities
27	tectonic processes
27	rocks and deposits
26	geologic history
24	geologic structure
23	ecosystems
21	mineral resources
20	energy resources
19	landslides
18	seismology
18	floods
17	land surface characteristics
15	magnetic field (earth)
15	acid deposition
15	real-time monitoring and reporting
15	ground water
14	aerial photography
13	maps and atlases
13	animals
12	climate change
12	water supply and demand
12	ocean characteristics
11	coastal zones
10	invasive species
10	water quality
10	earth characteristics
9	erosion
9	ground-water flow
9	remote sensing
8	hydrology
8	storms
8	planetary bodies
8	surface water (non-marine)
8	water chemistry
8	land use and land cover

Science Topics term usage Sunday, 2006-03-26