Science Topics term usage 2011-01-13

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.)

2732	earthquakes
841	earthquake occurrences
373	volcanoes
107	maps and atlases
75	real-time monitoring and reporting
65	floods
58	map interfaces
49	mineral resources
46	earthquake probabilities
39	climate change
38	energy resources
38	topographic maps
37	groundwater
37	surface water (non-marine)
34	seismology
28	remote sensing
27	water quality
25	invasive species
23	California
23	geologic maps
23	geospatial analysis
22	droughts
20	avian influenza
18	oil resources
18	animals
16	health and disease
16	environmental health (human)
16	life sciences
16	volcanic activity
15	contamination and pollution
15	surface water quality
13	human impacts
13	fires
12	soil resources
11	hazards
11	tectonic processes
10	river systems
10	streamflow
9	earth structure
9	acid deposition

Science Topics term usage Thursday, 2011-01-13