Science Topics term usage 2011-06-24

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.)

1813	earthquakes
627	earthquake occurrences
199	volcanoes
108	real-time monitoring and reporting
104	maps and atlases
89	floods
66	tsunamis
51	earthquake probabilities
51	mineral resources
48	surface water (non-marine)
41	groundwater
40	energy resources
34	droughts
33	climate change
31	map interfaces
29	seismology
28	geospatial analysis
25	fires
25	topographic maps
22	geologic maps
20	invasive species
19	contamination and pollution
19	avian influenza
18	remote sensing
18	oil resources
17	volcanic activity
13	environmental health (human)
11	water quality
9	Alaska
9	microbiology
7	geologic history
7	stream-gage measurement
7	land use and land cover
7	river systems
6	natural gas resources
6	groundwater flow
6	stream discharge
6	streamflow
5	tectonic processes
5	hydrology

Science Topics term usage Friday, 2011-06-24