Science Topics term usage 2012-08-19

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.)

376	earthquakes
131	earthquake occurrences
56	volcanoes
37	groundwater
36	real-time monitoring and reporting
26	mineral resources
25	maps and atlases
24	droughts
24	geospatial analysis
21	fires
20	climate change
20	electron microscopy
18	remote sensing
18	surface water (non-marine)
17	floods
16	invasive species
16	contamination and pollution
15	energy resources
14	map interfaces
13	water quality
13	avian influenza
12	microbiology
10	earthquake probabilities
9	tsunamis
8	environmental health (human)
8	topographic maps
7	human impacts
7	groundwater flow
6	acid deposition
6	water cycle
6	biodiversity
6	land use and land cover
6	tectonic processes
6	geologic processes
6	effects of climate change
5	freshwater ecosystems
5	oil resources
5	field sampling
5	natural gas resources
5	biological and physical processes

Science Topics term usage Sunday, 2012-08-19