Science Topics term usage 2009-12-21

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.)

1241	earthquakes
692	volcanoes
557	earthquake occurrences
144	maps and atlases
137	climate change
131	real-time monitoring and reporting
80	energy resources
77	mineral resources
76	map interfaces
70	ground water
65	surface water (non-marine)
63	remote sensing
60	topographic maps
53	floods
52	contamination and pollution
50	water quality
43	invasive species
42	geospatial analysis
39	environmental health (human)
37	earthquake probabilities
35	seismology
31	river systems
30	volcanic activity
30	California
29	avian influenza
26	fires
26	droughts
24	geologic maps
19	human impacts
19	oil resources
19	topics
18	San Diego
17	economic geology
15	snow and ice cover
15	atmospheric sciences
15	drainage basins
14	acid deposition
13	stream-gage measurement
13	land use and land cover
13	tectonic processes

Science Topics term usage Monday, 2009-12-21