Science Topics term usage 2006-07-18

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.)

100	earthquakes
99	seismic reflection method
65	geographic information systems (GIS)
59	volcanoes
33	earthquake occurrences
33	tsunamis
21	seismology
21	ground water
18	roadways
16	tectonic processes
16	ecological processes
15	erosion
15	earth structure
15	surface water (non-marine)
14	rocks and deposits
14	land surface characteristics
14	aerial photography
14	streamflow
14	energy resources
13	recreational fishery resources
12	water quality
12	ground-water flow
10	real-time monitoring and reporting
10	oil resources
10	hydrogeology
10	landslides
9	birds
9	maps and atlases
9	geochemistry
9	mineral resources
9	water resources
9	floods
8	precipitation (atmospheric)
8	mining hazards
8	meteorites
8	earth sciences
8	geologic structure
8	droughts
7	core (earth)
7	ecology

Science Topics term usage Tuesday, 2006-07-18