Science Topics term usage 2009-10-30

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.)

1368	earthquakes
599	earthquake occurrences
265	volcanoes
207	maps and atlases
189	real-time monitoring and reporting
153	ground water
131	floods
104	mineral resources
102	water quality
94	energy resources
85	map interfaces
80	geospatial analysis
79	invasive species
78	climate change
75	contamination and pollution
69	avian influenza
59	surface water (non-marine)
58	droughts
57	remote sensing
55	earthquake probabilities
54	topographic maps
48	geologic maps
44	fires
36	environmental health (human)
33	seismology
28	earth structure
28	soil resources
28	ground-water flow
23	oil resources
22	natural resources
21	land use and land cover
21	water supply and demand
20	cartography
18	water circulation
18	hazards
18	acid deposition
17	magnetic field (earth)
17	human impacts
16	snow and ice cover
16	social sciences

Science Topics term usage Friday, 2009-10-30