Science Topics term usage 2009-10-06

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.)

1217	earthquakes
503	earthquake occurrences
413	volcanoes
385	maps and atlases
175	real-time monitoring and reporting
172	mineral resources
157	climate change
154	floods
149	water quality
131	map interfaces
129	topographic maps
123	remote sensing
117	energy resources
105	geospatial analysis
99	contamination and pollution
97	ground water
94	surface water (non-marine)
93	invasive species
80	fires
78	droughts
72	avian influenza
64	environmental health (human)
61	geologic maps
56	earthquake probabilities
46	human impacts
45	life sciences
43	river systems
43	seismology
40	ecosystems
36	hydrology
35	land use and land cover
34	health and disease
33	social sciences
33	acid deposition
32	natural gas resources
30	tectonic processes
29	global warming
28	aquatic ecosystems
28	animals
27	natural resources

Science Topics term usage Tuesday, 2009-10-06