Science Topics term usage 2011-09-06

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.)

1248	earthquakes
505	earthquake occurrences
166	volcanoes
139	real-time monitoring and reporting
129	maps and atlases
121	floods
67	surface water (non-marine)
65	groundwater
58	climate change
55	fires
48	map interfaces
46	energy resources
44	mineral resources
43	water quality
43	invasive species
41	topographic maps
36	contamination and pollution
35	remote sensing
34	droughts
33	avian influenza
25	earthquake probabilities
24	environmental health (human)
24	geospatial analysis
24	oil resources
22	hydrology
22	geologic maps
18	seismology
18	human impacts
17	volcanic activity
15	river systems
13	streamflow
13	earth structure
13	life sciences
12	tsunamis
11	acid deposition
11	erosion
10	microbiology
10	tectonic processes
10	stream-gage measurement
9	land use and land cover

Science Topics term usage Tuesday, 2011-09-06