Science Topics term usage 2010-02-14

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.)

1287	earthquakes
624	earthquake occurrences
211	volcanoes
135	maps and atlases
90	real-time monitoring and reporting
73	mineral resources
71	climate change
66	map interfaces
59	ground water
50	surface water (non-marine)
49	energy resources
46	topographic maps
44	invasive species
44	contamination and pollution
44	floods
43	water quality
39	seismology
39	remote sensing
38	droughts
34	geologic maps
32	geospatial analysis
28	earthquake probabilities
26	avian influenza
24	California
22	human impacts
22	tectonic processes
19	endangered species
19	rocks and deposits
16	environmental health (human)
16	nonmetallic mineral resources
16	snow and ice cover
15	fires
15	global warming
15	oil resources
14	biogeography
13	acid deposition
13	plants (organisms)
13	tsunamis
12	magnetic field (earth)
12	volcanic activity

Science Topics term usage Sunday, 2010-02-14