Science Topics term usage 2011-01-23

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.)

966	earthquakes
252	earthquake occurrences
151	volcanoes
85	maps and atlases
57	climate change
45	mineral resources
37	real-time monitoring and reporting
32	topographic maps
29	remote sensing
28	floods
25	seismology
25	groundwater
23	map interfaces
22	geospatial analysis
22	geologic maps
22	earthquake probabilities
20	energy resources
19	surface water (non-marine)
17	invasive species
16	water quality
16	contamination and pollution
15	avian influenza
13	volcanic activity
12	droughts
11	environmental health (human)
11	life sciences
10	human impacts
10	global change
9	tectonic processes
8	volcanic eruption prediction
8	hazards
7	geochemistry
7	microbiology
7	acid deposition
7	oil resources
6	rocks and deposits
6	ocean characteristics
6	groundwater flow
6	earth structure
6	animals

Science Topics term usage Sunday, 2011-01-23