Science Topics term usage 2011-07-13

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.)

438	earthquakes
148	volcanoes
132	earthquake occurrences
93	maps and atlases
62	real-time monitoring and reporting
56	mineral resources
45	energy resources
42	surface water (non-marine)
34	groundwater
32	map interfaces
31	floods
29	topographic maps
28	climate change
26	droughts
25	water quality
22	oil resources
20	geospatial analysis
18	remote sensing
15	geologic maps
15	topography
14	river systems
14	geomorphology
12	earthquake probabilities
11	environmental health (human)
11	avian influenza
11	contamination and pollution
11	seismology
10	invasive species
9	hydrology
7	fires
7	life sciences
6	tsunamis
6	streamflow
5	aeromagnetic surveying
5	geographic information systems (GIS)
5	surface water quality
5	microbiology
5	natural resources
5	health and disease
5	natural gas resources

Science Topics term usage Wednesday, 2011-07-13