Science Topics term usage 2011-04-11

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.)

2657	earthquakes
939	earthquake occurrences
296	volcanoes
124	real-time monitoring and reporting
120	maps and atlases
80	earthquake probabilities
77	climate change
69	groundwater
63	floods
53	surface water (non-marine)
47	map interfaces
45	energy resources
45	tsunamis
44	seismology
44	mineral resources
42	avian influenza
34	topographic maps
33	contamination and pollution
33	remote sensing
32	geospatial analysis
31	water quality
31	droughts
30	oil resources
24	tectonic processes
23	environmental health (human)
22	invasive species
18	human impacts
17	volcanic activity
16	fires
16	acid deposition
15	geologic maps
14	topics
11	groundwater quality
10	water resources
9	microbiology
9	coastal ecosystems
9	stream-gage measurement
8	fishery resources
8	life sciences
8	tectonophysics

Science Topics term usage Monday, 2011-04-11