Science Topics term usage 2011-11-21

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.)

670	earthquakes
251	earthquake occurrences
138	volcanoes
78	maps and atlases
63	mineral resources
60	energy resources
55	floods
52	climate change
48	water quality
43	surface water (non-marine)
39	groundwater
39	real-time monitoring and reporting
36	geospatial analysis
36	droughts
34	oil resources
32	map interfaces
30	invasive species
29	remote sensing
28	contamination and pollution
19	avian influenza
19	environmental health (human)
19	microbiology
17	human impacts
16	topographic maps
15	hydrology
15	geologic maps
15	seismology
15	hurricanes
14	earthquake probabilities
12	land use and land cover
12	endangered species
12	fires
11	river systems
9	tsunamis
9	streamflow
9	ocean characteristics
9	biodiversity
8	economic geology
8	volcanic activity
8	drainage basins

Science Topics term usage Monday, 2011-11-21