Science Topics term usage 2006-04-22

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.)

101	earthquakes
77	volcanoes
45	geographic information systems (GIS)
25	geologic history
21	streamflow
19	energy resources
18	tectonic processes
17	water quality
16	earthquake occurrences
16	droughts
15	earth sciences
14	oil resources
14	landslides
14	animals
14	climate change
13	mineral resources
13	geology
12	floods
12	earth structure
11	seismology
11	ground water
11	erosion
10	water resources
10	mining hazards
10	acid deposition
10	surface water (non-marine)
10	coastal zones
10	real-time monitoring and reporting
9	maps and atlases
9	ground-water flow
9	natural resource extraction
8	aerial photography
8	planetary bodies
8	tsunamis
8	field inventory and monitoring
8	human impacts
7	biological and physical processes
7	wetlands
7	ecosystems
7	geologic processes

Science Topics term usage Saturday, 2006-04-22