Science Topics term usage 2012-04-04

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.)

526	earthquakes
174	earthquake occurrences
131	volcanoes
86	maps and atlases
66	real-time monitoring and reporting
64	climate change
54	groundwater
53	mineral resources
50	floods
47	surface water (non-marine)
43	map interfaces
41	water quality
37	remote sensing
36	geospatial analysis
32	energy resources
31	avian influenza
25	invasive species
25	topographic maps
23	geologic maps
21	droughts
21	oil resources
17	contamination and pollution
17	earthquake probabilities
16	environmental health (human)
14	seismology
14	acid deposition
13	ecology
12	tsunamis
11	mantle (earth)
11	hydrology
10	tectonic processes
10	land use and land cover
10	river systems
9	fires
9	microbiology
9	health and disease
9	surface water quality
9	groundwater quality
9	tornadoes
8	volcanic activity

Science Topics term usage Wednesday, 2012-04-04