Science Topics term usage 2011-07-19

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.)

546	earthquakes
172	volcanoes
164	earthquake occurrences
106	maps and atlases
90	real-time monitoring and reporting
65	mineral resources
53	map interfaces
53	surface water (non-marine)
50	geospatial analysis
50	groundwater
46	climate change
42	floods
41	droughts
41	energy resources
31	contamination and pollution
30	water quality
29	environmental health (human)
27	remote sensing
26	fires
25	avian influenza
25	topographic maps
24	invasive species
22	earthquake probabilities
17	microbiology
16	geologic maps
15	oil resources
12	seismology
11	river systems
9	human impacts
8	geographic information systems (GIS)
8	health and disease
8	natural gas resources
8	streamflow
7	tsunamis
7	acid deposition
7	coal resources
7	volcanic activity
6	plant and animal testing
6	aerial photography
6	sea-floor characteristics

Science Topics term usage Tuesday, 2011-07-19