Science Topics term usage 2009-11-25

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.)

1183	earthquakes
474	earthquake occurrences
251	volcanoes
185	maps and atlases
97	real-time monitoring and reporting
96	climate change
91	mineral resources
79	energy resources
77	map interfaces
70	remote sensing
64	topographic maps
58	contamination and pollution
58	floods
55	avian influenza
55	water quality
54	ground water
51	surface water (non-marine)
49	invasive species
48	seismology
46	geospatial analysis
37	fires
32	data services
32	human impacts
29	stream-gage measurement
27	plants (organisms)
26	volcanic activity
26	earthquake probabilities
26	environmental health (human)
25	global warming
25	oil resources
24	droughts
22	land use and land cover
22	hazards
22	geologic maps
20	geographic information systems (GIS)
20	surface water quality
20	geologic processes
19	hurricanes
18	erosion
18	river systems

Science Topics term usage Wednesday, 2009-11-25