Science Topics term usage 2011-02-01

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.)

831	earthquakes
407	volcanoes
221	earthquake occurrences
90	maps and atlases
66	real-time monitoring and reporting
65	groundwater
62	mineral resources
57	energy resources
42	map interfaces
42	surface water (non-marine)
41	climate change
36	oil resources
36	floods
29	geospatial analysis
28	topographic maps
28	geologic maps
25	remote sensing
25	earthquake probabilities
24	seismology
22	water quality
22	invasive species
22	avian influenza
20	volcanic activity
17	environmental health (human)
16	contamination and pollution
16	droughts
15	ecosystems
15	fires
13	human impacts
11	river systems
11	natural gas resources
10	earth sciences
10	earth structure
10	microbiology
9	biogeography
9	acid deposition
8	groundwater flow
8	animals
8	geographic information systems (GIS)
7	tectonic processes

Science Topics term usage Tuesday, 2011-02-01