Science Topics term usage 2010-04-28

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.)

1429	earthquakes
488	earthquake occurrences
429	volcanoes
210	maps and atlases
167	real-time monitoring and reporting
112	climate change
112	water quality
102	map interfaces
101	energy resources
93	earthquake probabilities
86	ground water
82	topographic maps
82	geospatial analysis
76	mineral resources
70	surface water (non-marine)
65	contamination and pollution
55	seismology
50	invasive species
49	remote sensing
48	floods
48	droughts
48	environmental health (human)
46	human impacts
41	geologic maps
37	avian influenza
36	volcanic activity
29	stream discharge
27	oil resources
26	earth structure
24	fires
22	hydrology
21	tectonic processes
19	global warming
19	water properties
19	hazards
19	soil resources
18	drainage basins
18	aerial photography
18	river systems
17	stream-gage measurement

Science Topics term usage Wednesday, 2010-04-28