Science Topics term usage 2009-12-13

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.)

679	earthquakes
291	earthquake occurrences
227	volcanoes
137	maps and atlases
109	real-time monitoring and reporting
88	mineral resources
84	energy resources
78	climate change
73	ground water
68	droughts
66	geospatial analysis
66	floods
60	map interfaces
59	contamination and pollution
58	invasive species
57	remote sensing
56	topographic maps
53	water quality
39	environmental health (human)
39	avian influenza
36	surface water (non-marine)
33	seismology
33	human impacts
31	acid deposition
29	oil resources
29	geologic maps
27	fires
26	earthquake probabilities
26	ground-water flow
23	natural gas resources
20	precipitation (atmospheric)
20	geographic information systems (GIS)
18	user services
17	rocks and deposits
17	geochemistry
15	California
15	sediment transport
15	economic geology
15	volcanic activity
15	animals

Science Topics term usage Sunday, 2009-12-13