Science Topics term usage 2012-02-19

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.)

530	earthquakes
185	earthquake occurrences
125	volcanoes
90	maps and atlases
43	real-time monitoring and reporting
42	mineral resources
37	climate change
36	groundwater
35	map interfaces
34	floods
29	surface water (non-marine)
28	energy resources
25	avian influenza
24	geospatial analysis
22	droughts
20	water quality
19	topographic maps
17	oil resources
14	remote sensing
14	invasive species
13	microbiology
12	tectonic processes
12	contamination and pollution
11	fires
11	earthquake probabilities
11	environmental health (human)
11	geologic maps
9	hydrology
8	acid deposition
8	facilities
8	erosion
7	hydrogeology
7	volcanic activity
7	earth structure
7	mineral deposit areas
6	topics
6	geologic structure
6	water resources
6	precipitation (atmospheric)
6	marine biology

Science Topics term usage Sunday, 2012-02-19