Science Topics term usage 2009-09-07

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.)

894	earthquakes
436	earthquake occurrences
278	volcanoes
240	maps and atlases
137	mineral resources
132	real-time monitoring and reporting
116	topographic maps
104	energy resources
96	contamination and pollution
95	climate change
77	map interfaces
70	ground water
65	avian influenza
64	health and disease
64	water quality
63	life sciences
62	droughts
58	remote sensing
57	floods
56	geospatial analysis
55	surface water (non-marine)
55	oil resources
53	earthquake probabilities
52	invasive species
51	fires
48	tectonic processes
45	environmental health (human)
43	acid deposition
37	human impacts
35	geologic processes
35	animals
34	seismology
30	earth structure
30	metallic ores
29	magnetic field (earth)
28	geologic maps
27	field methods
25	natural gas resources
24	ocean characteristics
24	social sciences

Science Topics term usage Monday, 2009-09-07