Science Topics term usage 2009-08-20

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.)

739	earthquakes
384	earthquake occurrences
303	volcanoes
251	maps and atlases
144	topographic maps
122	mineral resources
109	real-time monitoring and reporting
102	ground water
92	map interfaces
77	surface water (non-marine)
77	climate change
76	remote sensing
71	floods
70	water quality
68	energy resources
68	geospatial analysis
60	life sciences
53	avian influenza
51	contamination and pollution
50	droughts
49	invasive species
43	geologic maps
38	land use and land cover
37	biogeography
35	geologic processes
33	rocks and deposits
32	fires
32	aquatic ecosystems
31	oil resources
31	natural resource management
30	seismology
27	acid deposition
27	human impacts
27	volcanic activity
26	health and disease
24	animals
24	atmospheric sciences
24	freshwater ecosystems
23	geology
23	geographic information systems (GIS)

Science Topics term usage Thursday, 2009-08-20