Science Topics term usage 2008-02-05

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.)

76	earthquakes
63	geographic information systems (GIS)
62	nonmetallic mineral resources
40	volcanoes
38	earthquake occurrences
32	floods
25	climate change
20	energy resources
19	mineral resources
18	ocean characteristics
17	earth structure
17	real-time monitoring and reporting
16	acid deposition
16	rocks and deposits
16	ground water
16	global warming
15	geologic history
14	endangered species
13	aerial photography
13	water quality
13	geochemistry
13	erosion
13	health and disease
12	tsunamis
12	human impacts
12	gem resources
12	plants (organisms)
11	population and community ecology
11	global change
11	droughts
11	tectonic processes
11	river systems
11	landslides
11	ground-water flow
10	water cycle
10	topography
10	earth characteristics
10	hazards
10	water supply and demand
10	freshwater ecosystems

Science Topics term usage Tuesday, 2008-02-05