Science Topics term usage 2010-02-01

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.)

2876	earthquakes
1301	earthquake occurrences
445	volcanoes
239	maps and atlases
146	real-time monitoring and reporting
113	earthquake probabilities
110	mineral resources
101	ground water
97	floods
92	biogeography
86	surface water (non-marine)
84	climate change
79	map interfaces
77	topographic maps
75	energy resources
72	remote sensing
70	geologic maps
70	seismology
66	invasive species
62	geospatial analysis
60	water quality
60	contamination and pollution
57	droughts
55	California
48	oil resources
45	volcanic activity
45	biodiversity
39	avian influenza
38	acid deposition
38	earth structure
36	environmental health (human)
34	arthropods
31	river systems
28	San Diego
28	human impacts
27	social sciences
25	aquatic biology
24	hydrogeology
23	hazards
23	endangered species

Science Topics term usage Monday, 2010-02-01