Science Topics term usage 2007-01-21

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.)

92	geographic information systems (GIS)
71	earthquakes
63	volcanic eruption prediction
53	volcanoes
35	earthquake occurrences
31	animal and plant census
18	earth structure
18	mineral resources
17	earth sciences
17	rocks and deposits
14	tectonic processes
14	streamflow
13	stream-gage measurement
13	volcanic activity
13	tsunamis
12	animals
11	climate change
11	human impacts
11	acid deposition
10	maps and atlases
10	floods
8	magnetic field (earth)
8	map coordinate systems
8	real-time monitoring and reporting
7	coastal zones
7	seismology
7	outer core (earth)
7	landslides
7	ecosystems
6	industrial pollution
6	hurricanes
6	habitats
6	mathematical modeling
6	ocean characteristics
6	land use change
6	contamination and pollution
6	ground-water flow
6	biological and physical processes
6	sedimentation
6	erosion

Science Topics term usage Sunday, 2007-01-21