Science Topics term usage 2013-01-20

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.)

296	earthquakes
82	earthquake occurrences
47	volcanoes
40	maps and atlases
37	mineral resources
32	remote sensing
26	climate change
24	surface water (non-marine)
22	floods
21	groundwater
20	real-time monitoring and reporting
20	water chemistry
18	contamination and pollution
18	tectonic processes
18	energy resources
17	water quality
17	droughts
16	map interfaces
15	geospatial analysis
12	microbiology
12	geochemistry
10	health and disease
10	avian influenza
10	environmental health (human)
9	invasive species
9	volcanic activity
9	aquatic ecosystems
9	tsunamis
9	life sciences
9	land use and land cover
8	fires
8	animals
8	earth sciences
8	geologic processes
8	earthquake probabilities
7	natural resources
7	water resources
7	geographic information systems (GIS)
7	erosion
6	ecology

Science Topics term usage Sunday, 2013-01-20