Science Topics term usage 2012-03-13

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.)

625	earthquakes
217	earthquake occurrences
187	volcanoes
98	maps and atlases
76	climate change
75	real-time monitoring and reporting
65	mineral resources
64	groundwater
50	geospatial analysis
45	energy resources
37	map interfaces
36	floods
35	invasive species
33	surface water (non-marine)
31	water quality
31	remote sensing
30	droughts
25	human impacts
25	avian influenza
25	oil resources
24	contamination and pollution
23	environmental health (human)
22	topographic maps
15	earthquake probabilities
13	tectonic processes
12	geologic maps
12	groundwater flow
12	acid deposition
12	groundwater quality
11	natural gas resources
11	microbiology
11	tsunamis
10	seismology
10	life sciences
9	erosion
9	ecological processes
9	geologic processes
9	geographic information systems (GIS)
9	soil resources
8	metallic ores

Science Topics term usage Tuesday, 2012-03-13