Science Topics term usage 2011-01-16

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.)

882	earthquakes
238	earthquake occurrences
156	volcanoes
90	real-time monitoring and reporting
77	maps and atlases
63	floods
49	mineral resources
39	climate change
31	energy resources
27	topographic maps
27	surface water (non-marine)
24	groundwater
23	map interfaces
21	geospatial analysis
21	remote sensing
18	avian influenza
17	seismology
17	water quality
15	droughts
15	earthquake probabilities
14	contamination and pollution
14	geologic maps
13	invasive species
11	oil resources
11	environmental health (human)
9	tectonic processes
8	fires
7	acid deposition
6	hazards
6	nonmetallic mineral resources
6	volcanic activity
5	natural gas resources
5	tsunamis
5	aerial photography
5	earth structure
4	hydrology
4	metallic ores
4	microbiology
4	topography
4	river systems

Science Topics term usage Sunday, 2011-01-16