Science Topics term usage 2010-04-27

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.)

1748	earthquakes
671	earthquake occurrences
484	volcanoes
172	maps and atlases
131	real-time monitoring and reporting
118	earthquake probabilities
109	mineral resources
103	ground water
91	climate change
86	floods
85	energy resources
79	contamination and pollution
76	remote sensing
70	surface water (non-marine)
67	seismology
62	topographic maps
62	map interfaces
55	water quality
51	invasive species
50	geospatial analysis
43	river systems
41	human impacts
41	droughts
39	volcanic activity
37	avian influenza
30	hazards
28	earth structure
26	environmental health (human)
26	precipitation (atmospheric)
26	geologic maps
26	oil resources
24	fires
24	global warming
24	tectonic processes
24	hurricanes
23	hydrologic processes
21	soil resources
20	acid deposition
20	desert ecosystems
20	tsunamis

Science Topics term usage Tuesday, 2010-04-27