Science Topics term usage 2012-09-28

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.)

462	earthquakes
163	earthquake occurrences
73	volcanoes
38	real-time monitoring and reporting
35	maps and atlases
27	mineral resources
20	groundwater
19	water quality
19	surface water (non-marine)
18	climate change
17	energy resources
15	map interfaces
14	geospatial analysis
13	contamination and pollution
12	seismology
12	floods
12	remote sensing
12	invasive species
12	tectonic processes
11	fires
10	droughts
10	geologic maps
10	topographic maps
9	marine biology
9	earth sciences
8	health and disease
8	earthquake probabilities
8	biodiversity
7	earth structure
7	animals
7	oil resources
7	geographic information systems (GIS)
7	environmental health (human)
6	employment and volunteer opportunities
6	biogeography
6	microbiology
6	environmental assessment
6	river systems
6	hydrographic datasets
6	avian influenza

Science Topics term usage Friday, 2012-09-28