Science Topics term usage 2005-11-20

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.)

110	earthquakes
68	volcanoes
45	geographic information systems (GIS)
40	earthquake occurrences
26	maps and atlases
23	tectonic processes
19	animals
16	ground water
15	earth structure
15	storms
15	hazards
12	geography
12	energy resources
12	ecology
12	hurricanes
11	aerial photography
11	landslides
11	erosion
11	mineral resources
10	sedimentation
10	coastal zones
10	magnetic field (earth)
10	water properties
10	earthquake probabilities
10	geologic structure
10	acid deposition
9	coelenterates
9	water quality
9	ecosystems
9	terrestrial ecosystems
9	marine geology
9	floods
9	seismic methods
9	tsunamis
9	human impacts
9	rocks and deposits
8	volcanic activity
8	ground-water flow
8	invasive species
8	planetary bodies

Science Topics term usage Sunday, 2005-11-20