Science Topics term usage 2009-11-19

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.)

1331	earthquakes
517	earthquake occurrences
372	volcanoes
229	maps and atlases
159	real-time monitoring and reporting
131	floods
131	mineral resources
121	energy resources
109	ground water
103	water quality
102	climate change
99	contamination and pollution
89	map interfaces
87	geospatial analysis
82	topographic maps
71	geologic maps
68	remote sensing
67	surface water (non-marine)
65	droughts
61	avian influenza
60	natural gas resources
56	human impacts
54	invasive species
48	oil resources
45	river systems
40	environmental health (human)
39	acid deposition
39	earthquake probabilities
38	seismology
37	earth structure
37	hazards
36	mountain ranges
36	land use and land cover
35	soil resources
33	water chemistry
33	topics
33	tectonic processes
30	wildlife population management
29	social sciences
29	stream-gage measurement

Science Topics term usage Thursday, 2009-11-19