Science Topics term usage 2011-07-26

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.)

832	earthquakes
280	earthquake occurrences
167	volcanoes
87	maps and atlases
45	real-time monitoring and reporting
42	climate change
42	mineral resources
39	map interfaces
36	groundwater
33	energy resources
32	geospatial analysis
31	floods
28	surface water (non-marine)
25	water quality
24	earthquake probabilities
21	topographic maps
20	invasive species
20	remote sensing
20	avian influenza
17	droughts
13	tsunamis
13	contamination and pollution
10	fires
10	seismology
10	oil resources
10	environmental health (human)
9	natural gas resources
8	geologic maps
8	volcanic activity
8	acid deposition
7	soil resources
7	microbiology
6	economic geology
6	earth sciences
6	coal resources
6	hydrology
6	health and disease
6	tectonic processes
5	groundwater quality
5	metallic ores

Science Topics term usage Tuesday, 2011-07-26