Science Topics term usage 2009-11-01

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.)

1002	earthquakes
430	earthquake occurrences
254	volcanoes
151	maps and atlases
138	real-time monitoring and reporting
107	surface water (non-marine)
101	floods
92	mineral resources
87	energy resources
86	climate change
79	remote sensing
75	ground water
73	map interfaces
72	contamination and pollution
70	invasive species
63	topographic maps
61	water quality
61	droughts
56	geospatial analysis
45	avian influenza
36	geologic maps
35	earthquake probabilities
35	land use and land cover
33	ocean characteristics
28	fires
25	human impacts
24	acid deposition
24	river systems
23	ground-water flow
23	earth structure
23	seismology
23	California
22	planetary bodies
22	erosion
21	seismic methods
21	rocks and deposits
19	global change
18	population and community ecology
17	animal behavior
17	acoustic methods

Science Topics term usage Sunday, 2009-11-01