Science Topics term usage 2008-12-04

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.)

478	earthquakes
192	volcanoes
185	earthquake occurrences
128	maps and atlases
69	climate change
62	real-time monitoring and reporting
59	USGS map servers
58	river systems
48	floods
43	water quality
40	mineral resources
36	energy resources
35	droughts
35	contamination and pollution
32	ground water
30	geospatial analysis
25	acid deposition
23	remote sensing
23	invasive species
19	environmental health (human)
19	seismology
18	fires
18	earthquake probabilities
18	avian influenza
18	surface water (non-marine)
17	earth structure
17	oil resources
16	sea-floor characteristics
16	tectonic processes
16	ocean characteristics
15	water supply and demand
15	human impacts
15	health and disease
14	topography
13	topics
13	global change
13	snow and ice cover
13	earth characteristics
11	acoustic methods
10	geologic history

Science Topics term usage Thursday, 2008-12-04