Science Topics term usage 2007-01-13

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.)

125	earthquakes
83	geographic information systems (GIS)
45	earthquake occurrences
40	volcanoes
37	tsunamis
37	fishery resources
24	real-time monitoring and reporting
20	tectonic processes
14	maps and atlases
12	land use change
11	industrial pollution
10	energy resources
10	rocks and deposits
10	climate change
9	contamination and pollution
9	aerial photography
9	ground water
8	earth structure
8	acid deposition
7	volcanic activity
7	plants (organisms)
7	map coordinate systems
6	landslides
6	volcanic features
6	geologic history
6	mineral resources
6	hazards
5	geography
5	botany
5	inland fishery resources
5	seismology
5	GPS measurement
5	magnetic field (earth)
5	water properties
5	human impacts
5	precipitation (atmospheric)
5	meteorites
5	hurricanes
4	marine geology
4	biological and physical processes

Science Topics term usage Saturday, 2007-01-13