Science Topics term usage 2011-09-24

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.)

422	earthquakes
171	earthquake occurrences
104	volcanoes
59	maps and atlases
41	real-time monitoring and reporting
33	mineral resources
27	water quality
26	climate change
25	floods
22	energy resources
21	groundwater
21	surface water (non-marine)
19	map interfaces
18	avian influenza
16	earthquake probabilities
15	geologic maps
15	geospatial analysis
14	remote sensing
13	seismology
13	topographic maps
12	tectonic processes
12	droughts
9	invasive species
9	fires
9	environmental health (human)
9	volcanic activity
9	contamination and pollution
9	microbiology
8	hydrology
8	endangered species
7	geochemistry
7	river systems
6	oil resources
6	streamflow
6	land use and land cover
6	aquifers
6	water resources
5	geographic information systems (GIS)
5	magnetic field (earth)
5	field sampling

Science Topics term usage Saturday, 2011-09-24