Science Topics term usage 2012-04-01

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.)

549	earthquakes
185	earthquake occurrences
107	volcanoes
60	maps and atlases
54	real-time monitoring and reporting
53	groundwater
43	energy resources
41	climate change
38	floods
37	surface water (non-marine)
30	remote sensing
30	contamination and pollution
30	mineral resources
25	droughts
24	water quality
24	mantle (earth)
22	geospatial analysis
22	map interfaces
19	invasive species
19	earthquake probabilities
18	geologic maps
17	environmental health (human)
17	avian influenza
15	topographic maps
14	human impacts
13	microbiology
13	hydrology
13	fires
11	seismology
11	surface water quality
11	geologic processes
10	tectonic processes
9	volcanic activity
7	tsunamis
7	river systems
7	endangered species
6	land use change
6	health and disease
6	water chemistry
6	atmospheric and climatic processes

Science Topics term usage Sunday, 2012-04-01