Science Topics term usage 2010-02-13

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.)

1716	earthquakes
822	earthquake occurrences
158	volcanoes
127	maps and atlases
87	real-time monitoring and reporting
82	mineral resources
63	map interfaces
62	seismology
56	energy resources
52	ground water
48	climate change
46	earthquake probabilities
40	water quality
38	floods
38	remote sensing
37	invasive species
36	geospatial analysis
36	topographic maps
35	contamination and pollution
34	surface water (non-marine)
33	California
33	geologic maps
30	droughts
30	volcanic activity
28	avian influenza
22	tectonic processes
21	fires
20	oil resources
18	erosion
16	coal resources
14	global warming
13	human impacts
13	environmental health (human)
12	biodiversity
12	marine geology
11	storm surge
11	soil resources
11	social sciences
10	river systems
10	snow and ice cover

Science Topics term usage Saturday, 2010-02-13