Science Topics term usage 2009-09-28

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.)

820	earthquakes
337	volcanoes
336	earthquake occurrences
326	maps and atlases
164	real-time monitoring and reporting
143	topographic maps
140	climate change
120	energy resources
108	map interfaces
102	floods
86	mineral resources
86	contamination and pollution
84	water quality
80	remote sensing
77	ground water
74	geospatial analysis
73	invasive species
65	droughts
63	surface water (non-marine)
60	geologic maps
54	earthquake probabilities
53	avian influenza
52	health and disease
49	geologic history
47	environmental health (human)
45	human impacts
41	earth structure
41	fires
38	life sciences
34	natural resources
33	soil resources
33	endangered species
31	oil resources
30	ecological processes
29	geologic structure
29	water use
28	geographic information systems (GIS)
27	biological and physical processes
27	natural gas resources
26	surface water quality

Science Topics term usage Monday, 2009-09-28