Science Topics term usage 2009-01-25

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.)

597	earthquakes
269	earthquake occurrences
135	volcanoes
77	maps and atlases
44	USGS map servers
33	climate change
30	real-time monitoring and reporting
28	topographic maps
28	mineral resources
25	geologic maps
23	energy resources
19	droughts
19	contamination and pollution
19	floods
18	surface water (non-marine)
18	invasive species
17	avian influenza
16	ground water
16	geospatial analysis
15	water quality
12	desert ecosystems
12	geologic history
12	rocks and deposits
12	remote sensing
11	health and disease
11	seismology
11	volcanic activity
10	fires
9	earthquake probabilities
8	volcanic eruption prediction
8	animals
8	environmental health (human)
8	oil resources
8	acid deposition
8	river systems
7	tsunamis
7	California
7	tectonic processes
6	endangered species
6	forest ecosystems

Science Topics term usage Sunday, 2009-01-25